/* ── Reset ── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ── Base ── */
html {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
        Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: var(--typography-base-fontSize);
    line-height: var(--typography-base-lineHeight);
    color: var(--color-text-primary);
    background-color: var(--color-bg-page);
}

/* Theme transition */
html[data-theme] *,
html[data-theme] *::before,
html[data-theme] *::after {
    transition: background-color var(--transition-normal),
                color var(--transition-normal),
                border-color var(--transition-normal);
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-text-link);
    text-decoration: none;
}

a:hover {
    color: var(--color-text-linkHover);
    text-decoration: underline;
}

/* ── Material Symbols base ── */
.material-symbols-outlined {
    font-size: 20px;
    line-height: 1;
    vertical-align: middle;
}

/* ── Page entrance ── */

/* Hide icons until font loads to prevent FOUT (flash of icon names).
   Class is removed by JS after font loads — no transition needed. */
.material-symbols-outlined {
    opacity: 0;
}
.fonts-ready .material-symbols-outlined {
    opacity: 1;
}

/* Hide entrance targets until JS animates them in via Web Animations API.
   The .entrance class is removed after animation so nothing lingers
   to conflict with the wildcard theme transition rule. */
.entrance {
    opacity: 0;
}

/* ── Floating controls ── */
.floating-controls {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 100;
}

.fab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-full);
    background-color: var(--color-bg-surface);
    color: var(--color-text-secondary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    text-decoration: none;
    transition: background-color var(--transition-fast),
                border-color var(--transition-fast),
                box-shadow var(--transition-fast);
}

.fab-btn .material-symbols-outlined {
    font-size: 22px;
    line-height: 1;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
}

.fab-btn:hover {
    background-color: var(--color-interactive-hover);
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-lg);
    color: var(--color-text-primary);
    text-decoration: none;
}

/* ── Settings dropdown ── */
.settings-dropdown {
    position: relative;
}

.settings-menu {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    min-width: 180px;
    padding: var(--spacing-xs);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 2px;
    z-index: 100;
}

.settings-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm);
    font-size: var(--typography-sm-fontSize);
    font-family: inherit;
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.settings-menu-item:hover {
    background-color: var(--color-interactive-hover);
    color: var(--color-text-primary);
    text-decoration: none;
}

.settings-menu-item .material-symbols-outlined {
    font-size: 18px;
    color: var(--color-text-tertiary);
}

.settings-menu-danger:hover {
    color: var(--color-action-danger);
}

.settings-menu-danger:hover .material-symbols-outlined {
    color: var(--color-action-danger);
}

.settings-menu-divider {
    height: 1px;
    background-color: var(--color-border-default);
    margin: var(--spacing-xs) 0;
}

.settings-menu-username {
    display: block;
    padding: var(--spacing-sm) var(--spacing-sm);
    font-size: var(--typography-sm-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    color: var(--color-text-primary);
}

.settings-menu-item.active .material-symbols-outlined {
    color: var(--color-action-primary);
}

/* ── Tooltip system ── */
/* Single body-level element managed by tooltips.js. Positioning and
   visibility are set inline by the helper; styles below cover appearance
   and the enter/exit transition only. */
.tooltip {
    position: fixed;
    top: 0;
    left: 0;
    max-width: 240px;
    font-size: var(--typography-xs-fontSize);
    font-weight: var(--typography-base-fontWeight);
    line-height: var(--typography-xs-lineHeight);
    color: var(--color-tooltip-text);
    background-color: var(--color-tooltip-bg);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 1000;
    word-wrap: break-word;
    white-space: normal;
}

.tooltip.tooltip-visible {
    opacity: 1;
}

/* ── Main ── */
.app-main {
    flex: 1;
    padding: 0 var(--spacing-md) var(--spacing-lg);
    max-width: 640px;
    width: 100%;
    margin: 0 auto;
}

/* ── Brand hero ── */
.page-hero {
    text-align: center;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.brand-title {
    font-size: var(--typography-4xl-fontSize);
    font-weight: var(--typography-4xl-fontWeight);
    line-height: var(--typography-4xl-lineHeight);
    color: var(--color-text-primary);
}

.brand-subtitle {
    font-size: var(--typography-base-fontSize);
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-xs);
}

/* ── Estimate form ── */
.estimate-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ── Input card ── */
.input-card {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: visible;
    display: flex;
    flex-direction: column;
}

.estimate-form .input-card {
    transition: box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.input-card.animating {
    overflow: hidden;
}

.estimate-form .input-card:hover:not(.compact) {
    animation: hoverPulse 3s ease-in-out infinite;
}

@keyframes hoverPulse {
    0%, 100% {
        box-shadow: var(--shadow-lg);
    }
    50% {
        box-shadow: var(--shadow-xl);
    }
}

.input-card:focus-within {
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.15), var(--shadow-md);
}

.estimate-form .input-card:focus-within:hover:not(.compact) {
    animation: hoverPulseFocus 3s ease-in-out infinite;
}

@keyframes hoverPulseFocus {
    0%, 100% {
        box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.15), var(--shadow-lg);
    }
    50% {
        box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.15), var(--shadow-xl);
    }
}

/* Typing glow — transition-based for smooth blending */
/* Must beat :focus-within specificity since textarea is focused while typing */
.estimate-form .input-card.typing-glow,
.estimate-form .input-card.typing-glow:focus-within,
.estimate-form .input-card.typing-glow:focus-within:hover:not(.compact) {
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 6px rgba(217, 119, 6, 0.3),
                0 0 24px rgba(217, 119, 6, 0.15),
                var(--shadow-lg);
    transition: box-shadow 0.15s ease-out, border-color 0.15s ease-out;
    animation: none;
}

.estimate-form .input-card.typing-glow.typing-fade,
.estimate-form .input-card.typing-glow.typing-fade:focus-within {
    box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.15), var(--shadow-md);
    transition: box-shadow 0.6s ease-out, border-color 0.6s ease-out;
    animation: none;
}

.input-card.collapsed {
    max-height: 0 !important;
    opacity: 0;
    margin: 0;
    border-width: 0;
    box-shadow: none;
    overflow: hidden;
}

.input-card.compact {
    cursor: text;
    position: relative;
    box-shadow: none;
}

.input-card.compact:hover {
    box-shadow: var(--shadow-md);
}

.input-card.compact .food-input {
    /* 16px top + 27px line (18px × 1.5) + 16px bottom = 59px */
    min-height: 0;
    height: 59px !important;
    padding: var(--spacing-md) 80px var(--spacing-md) var(--spacing-md);
    overflow: hidden;
    pointer-events: none;
    color: transparent;
}

.compact-text-overlay {
    display: none;
}

.input-card.compact .compact-text-overlay {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 80px;
    height: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-family-base);
    font-size: var(--font-size-md);
    line-height: 1.5;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
}

.input-card.compact .photo-preview,
.input-card.compact .input-toolbar {
    display: none;
}

.input-card.compact .compact-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
}

.input-card.compact .compact-actions .usage-ring-wrap {
    display: flex !important;
}

.input-card.compact:has(.compact-actions:hover)::after {
    opacity: 0 !important;
}

.compact-actions {
    display: none;
}

.compact-clear-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-action-primary);
    color: var(--color-action-primaryText);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.compact-clear-btn:hover {
    background-color: var(--color-action-primaryHover);
}

.compact-clear-btn .material-symbols-outlined {
    font-size: 20px;
}


/* ── Food input (textarea) ── */
.food-input {
    display: block;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
    font-size: var(--typography-lg-fontSize);
    font-family: inherit;
    line-height: var(--typography-lg-lineHeight);
    color: var(--color-text-primary);
    background: transparent;
    border: none;
    resize: none;
    overflow: hidden;
    min-height: 80px;
}

.food-input:focus {
    outline: none;
}

.food-input::placeholder {
    color: var(--color-text-placeholder);
}

/* ── Photo preview (inside card) ── */
.photo-preview {
    position: relative;
    display: inline-flex;
    margin: 0 var(--spacing-md) var(--spacing-sm);
    width: 80px;
    height: 80px;
}

.photo-preview-img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-default);
}

.photo-remove {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: var(--radius-full);
    background-color: var(--color-action-danger);
    color: var(--color-action-dangerText);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.photo-remove .material-symbols-outlined {
    font-size: 16px;
}

/* ── Input toolbar ── */
.input-toolbar {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-sm);
}

.toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    height: 36px;
    padding: 0 var(--spacing-sm);
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: background-color var(--transition-fast),
                color var(--transition-fast);
}

.toolbar-btn:hover {
    background-color: var(--color-interactive-hover);
    color: var(--color-text-secondary);
}

.toolbar-spacer {
    flex: 1;
}

/* ── Model select dropdown ── */
.model-select {
    position: relative;
}

.model-select-trigger {
    white-space: nowrap;
}

.model-select-label {
    font-size: var(--typography-sm-fontSize);
    font-family: inherit;
}

.model-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    left: 0;
    min-width: 180px;
    padding: var(--spacing-sm);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 50;
}

.model-dropdown-group {
    display: flex;
    flex-direction: column;
}

.model-dropdown-group-label {
    font-size: var(--typography-xs-fontSize);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: var(--typography-xl-fontWeight);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.model-dropdown-divider {
    height: 1px;
    background-color: var(--color-border-default);
    margin: var(--spacing-xs) 0;
}

.model-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm);
    font-size: var(--typography-sm-fontSize);
    font-family: inherit;
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: background-color var(--transition-fast);
}

.model-option:hover {
    background-color: var(--color-interactive-hover);
    color: var(--color-text-primary);
}

.model-option.active {
    color: var(--color-action-primary);
    font-weight: var(--typography-xl-fontWeight);
}

.model-option-note {
    font-size: var(--typography-xs-fontSize);
    color: var(--color-text-tertiary);
    margin-left: auto;
}

/* ── Submit pill ── */
.submit-pill {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    height: 40px;
    padding: 0 var(--spacing-lg);
    font-size: var(--typography-base-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    font-family: inherit;
    color: var(--color-action-primaryText);
    background-color: var(--color-action-primary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    white-space: nowrap;
}

.submit-pill:hover:not(:disabled) {
    background-color: var(--color-action-primaryHover);
}

.submit-pill:active:not(:disabled) {
    background-color: var(--color-action-primaryActive);
}

.submit-pill:disabled {
    opacity: var(--opacity-disabled);
    cursor: not-allowed;
}

.input-toolbar > .submit-pill {
    margin-left: var(--spacing-sm);
}

/* ── Spinner ── */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: var(--radius-full);
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── Usage ring ── */
.usage-ring-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: default;
}

.usage-ring {
    transform: rotate(-90deg);
}

.usage-ring-track {
    fill: none;
    stroke: var(--color-border-default);
    stroke-width: 2.5;
}

.usage-ring-fill {
    fill: none;
    stroke: var(--color-action-primary);
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-dasharray: 81.68;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 0.5s ease, stroke var(--transition-fast);
}

.usage-ring-count {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--typography-3xs-fontSize);
    font-weight: 700;
    line-height: 1;
    color: var(--color-text-tertiary);
    pointer-events: none;
    user-select: none;
}

.usage-ring-warn .usage-ring-count {
    color: var(--color-status-warningText);
}

.usage-ring-warn .usage-ring-fill {
    stroke: var(--color-status-warningText);
}

/* ── Loading state (inside results container) ── */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    gap: var(--spacing-md);
}

.loading-spinner-large {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border-default);
    border-top-color: var(--color-action-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

.loading-text {
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-tertiary);
}

/* ── Results ── */
.results {
    position: relative;
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transform-origin: top center;
}

/* Results morphing into history card */
.results.morphing {
    overflow: hidden;
    will-change: height, opacity, padding, border-radius;
}

/* Summary overlay that fades in during morph */
.results-morph-summary {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    opacity: 0;
    pointer-events: none;
    z-index: 2;
}

.results-morph-summary .history-entry-food-name {
    flex: 1;
    min-width: 0;
}

/* History card inserted but waiting for morph to finish */
.history-entry.morph-target {
    overflow: hidden;
    height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-width: 0;
    margin-bottom: 0;
}

/* ── Calorie hero ── */
.calorie-hero {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 0 0 var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-default);
}

.calorie-hero-label {
    font-size: var(--typography-lg-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    color: var(--color-text-secondary);
}

.calorie-hero-range {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
}

.calorie-hero-number {
    font-size: var(--typography-3xl-fontSize);
    font-weight: var(--typography-3xl-fontWeight);
    line-height: 1;
    color: var(--color-action-primary);
}

.calorie-hero-tilde {
    opacity: 0.5;
}

/* ── Calorie hero right (split layout) ── */
.calorie-hero-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.calorie-hero-range-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.calorie-hero-original {
    font-size: var(--typography-xs-fontSize);
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-xs);
    text-align: right;
}

/* ── Split button ── */
.split-wrap {
    position: relative;
}

.split-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    height: 32px;
    padding: 0 var(--spacing-sm);
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: background-color var(--transition-fast),
                color var(--transition-fast);
}

.split-btn:hover {
    background-color: var(--color-interactive-hoverStrong);
    color: var(--color-text-secondary);
}

.split-btn.split-active {
    color: var(--color-action-primary);
    background-color: var(--color-interactive-selected);
}

.split-btn .material-symbols-outlined {
    font-size: 24px;
}

/* Split count label (inline next to icon) */
.split-count-label {
    font-size: var(--typography-sm-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    line-height: 1;
}

/* Smaller label on history split buttons */
.history-split-btn .split-count-label {
    font-size: var(--typography-xs-fontSize);
}

/* Collapsed card inline badge count */
.split-badge-count {
    font-size: var(--typography-xs-fontSize);
    font-weight: var(--typography-xl-fontWeight);
}



/* ── Split dialog stepper ── */
.split-stepper-section {
    margin-bottom: var(--spacing-lg);
    flex-shrink: 0;
}

.split-dropdown-header {
    font-size: var(--typography-xs-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
}

.split-dropdown-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.split-dec-btn,
.split-inc-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background-color var(--transition-fast),
                border-color var(--transition-fast);
}

.split-dec-btn:hover,
.split-inc-btn:hover {
    background-color: var(--color-interactive-hover);
    border-color: var(--color-border-strong);
}

.split-dec-btn .material-symbols-outlined,
.split-inc-btn .material-symbols-outlined {
    font-size: 20px;
}

.split-count-input {
    width: 56px;
    height: 40px;
    text-align: center;
    font-size: var(--typography-xl-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    font-family: inherit;
    color: var(--color-text-primary);
    background-color: var(--color-bg-surfaceRaised);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    -moz-appearance: textfield;
}

.split-count-input::-webkit-outer-spin-button,
.split-count-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ── "By total" preview in dialog ── */
.split-total-preview {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.split-total-result {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.split-total-label {
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-secondary);
}

.split-total-value {
    font-size: var(--typography-2xl-fontSize);
    font-weight: var(--typography-2xl-fontWeight);
    color: var(--color-action-primary);
    font-variant-numeric: tabular-nums;
}

.split-total-original {
    font-size: var(--typography-xs-fontSize);
    color: var(--color-text-tertiary);
}

.split-single-item-hint {
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-tertiary);
    text-align: center;
    margin: 0;
}

/* ── Reset row (between toggle and content) ── */
.split-remove-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--typography-sm-fontSize);
    font-family: inherit;
    font-weight: var(--typography-xl-fontWeight);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-action-danger);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.split-remove-btn:hover {
    background-color: var(--color-action-danger);
    color: var(--color-action-primaryText);
}

.split-footer-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.split-reset-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--typography-sm-fontSize);
    font-family: inherit;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.split-reset-btn:hover {
    background-color: var(--color-bg-tertiary);
}

.split-reset-btn:disabled {
    opacity: var(--opacity-disabled);
    cursor: default;
    pointer-events: none;
}

.split-reset-btn.hidden {
    display: none;
}

/* ── Split people summary (hero + history) ── */
.split-people-summary {
    margin-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border-default);
    padding-top: var(--spacing-sm);
}

/* When split details appear inside detail area, add bottom spacing */
.history-entry-detail-inner > .calorie-hero-original,
.history-entry-detail-inner > .split-people-summary {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-top: none;
    border-bottom: 1px solid var(--color-border-default);
}

.split-person-row {
    display: flex;
    align-items: baseline;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: 2px 0;
    font-size: var(--typography-xs-fontSize);
}

.split-person-name {
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.split-person-pct {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    font-variant-numeric: tabular-nums;
}

.split-person-cal {
    flex-shrink: 0;
    color: var(--color-action-primary);
    font-weight: var(--typography-xl-fontWeight);
    font-variant-numeric: tabular-nums;
}

/* ── History collapsed split badge ── */
.history-entry-split-badge {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
    color: var(--color-text-tertiary);
}

.history-entry-split-badge .material-symbols-outlined {
    font-size: 18px;
}


/* ── Advanced split dialog (unique styles) ── */

/* ── Mode toggle ── */
.split-mode-toggle {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-xs);
    background-color: var(--color-bg-muted);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.split-mode-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--typography-sm-fontSize);
    font-family: inherit;
    font-weight: var(--typography-base-fontWeight);
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast),
                color var(--transition-fast);
}

.split-mode-btn:hover {
    color: var(--color-text-primary);
}

.split-mode-btn.active {
    background-color: var(--color-bg-surface);
    color: var(--color-text-primary);
    font-weight: var(--typography-xl-fontWeight);
    box-shadow: var(--shadow-sm);
}

/* ── People list ── */
.split-people-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
}

.split-person-edit {
    padding: var(--spacing-md);
    background-color: var(--color-bg-muted);
    border-radius: var(--radius-md);
}

.split-person-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.split-person-name-input {
    flex: 1;
    min-width: 0;
    height: 32px;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--typography-sm-fontSize);
    font-family: inherit;
    color: var(--color-text-primary);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-sm);
}

.split-person-name-input:focus {
    outline: none;
    border-color: var(--color-border-focus);
}

.split-person-pct-display {
    flex-shrink: 0;
    font-size: var(--typography-sm-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    color: var(--color-text-secondary);
    font-variant-numeric: tabular-nums;
    min-width: 40px;
    text-align: right;
}

.split-person-cal-display {
    flex-shrink: 0;
    font-size: var(--typography-sm-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    color: var(--color-action-primary);
    font-variant-numeric: tabular-nums;
    min-width: 64px;
    text-align: right;
}

/* ── Slider row ── */
.split-slider-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.split-slider {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--color-border-default);
    border-radius: var(--radius-full);
    outline: none;
}

.split-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    background: var(--color-action-primary);
    cursor: pointer;
    border: 2px solid var(--color-bg-surface);
    box-shadow: var(--shadow-sm);
}

.split-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    background: var(--color-action-primary);
    cursor: pointer;
    border: 2px solid var(--color-bg-surface);
    box-shadow: var(--shadow-sm);
}

.split-pct-input {
    width: 56px;
    height: 32px;
    text-align: center;
    font-size: var(--typography-sm-fontSize);
    font-family: inherit;
    color: var(--color-text-primary);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-sm);
    -moz-appearance: textfield;
}

.split-pct-input::-webkit-outer-spin-button,
.split-pct-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ── Item split rows ── */
.split-item-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.split-item-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--typography-xs-fontSize);
}

.split-item-name {
    flex: 1;
    min-width: 0;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.split-item-slider {
    width: 80px;
    height: 3px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--color-border-default);
    border-radius: var(--radius-full);
    outline: none;
}

.split-item-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--color-action-primary);
    cursor: pointer;
}

.split-item-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--color-action-primary);
    cursor: pointer;
}

.split-item-pct {
    width: 32px;
    text-align: right;
    color: var(--color-text-tertiary);
    font-variant-numeric: tabular-nums;
}

.split-dialog-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border-default);
    flex-shrink: 0;
}

.split-apply-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--typography-sm-fontSize);
    font-family: inherit;
    font-weight: var(--typography-xl-fontWeight);
    color: var(--color-action-primaryText);
    background-color: var(--color-action-primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.split-apply-btn:hover {
    background-color: var(--color-action-primaryHover);
}

/* ── Responsive: split dialog ── */
@media (max-width: 480px) {
    .split-person-header {
        flex-wrap: wrap;
    }

    .split-person-name-input {
        flex-basis: 100%;
    }
}

/* ── Results table ── */
.results-content {
}

/* ── Results prompt (shown via beard button) ── */
.results-prompt {
    margin-top: var(--spacing-sm);
}

/* ── Results beard footer ── */
.results-beard {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-bg-page);
    border-top: 1px solid var(--color-border-default);
    margin: var(--spacing-md) calc(-1 * var(--spacing-md)) calc(-1 * var(--spacing-md));
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: var(--spacing-xs) 0;
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-secondary);
}

.result-item-name {
    flex: 1;
    min-width: 0;
}

.result-item-range {
    flex-shrink: 0;
    margin-left: var(--spacing-md);
    color: var(--color-text-tertiary);
    font-variant-numeric: tabular-nums;
}

.result-meta {
    font-size: var(--typography-xs-fontSize);
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-sm);
    line-height: var(--typography-sm-lineHeight);
}

.result-line {
    padding: var(--spacing-xs) 0;
    line-height: var(--typography-base-lineHeight);
}

.result-total {
    font-weight: var(--typography-xl-fontWeight);
}

.error-text {
    color: var(--color-status-errorText);
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Retry button ── */
.retry-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 44px;
    font-size: var(--typography-sm-fontSize);
    font-family: inherit;
    color: var(--color-action-primaryText);
    background-color: var(--color-action-primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.retry-btn:hover {
    background-color: var(--color-action-primaryHover);
}

/* ── History section ── */
.history-section {
    margin-top: var(--spacing-xl);
}

.history-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-sm) 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-primary);
    font-family: inherit;
}

.history-title {
    font-size: var(--typography-lg-fontSize);
    font-weight: var(--typography-xl-fontWeight);
}

.history-toggle-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.history-chevron {
    color: var(--color-text-tertiary);
    transition: transform 0.3s ease;
}

.history-section.expanded .history-chevron {
    transform: rotate(180deg);
}

.history-collapsible {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.history-collapsible.expanded {
    max-height: 5000px;
}

/* ── History overflow menu (title bar) ── */
.history-overflow {
    position: relative;
}

.history-overflow-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: background-color var(--transition-fast),
                color var(--transition-fast);
}

.history-overflow-btn:hover {
    background-color: var(--color-interactive-hover);
    color: var(--color-text-secondary);
}

.history-overflow-menu {
    position: absolute;
    top: calc(100% + var(--spacing-xs));
    right: 0;
    min-width: 160px;
    padding: var(--spacing-xs);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 50;
}

.history-overflow-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm);
    font-size: var(--typography-sm-fontSize);
    font-family: inherit;
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: background-color var(--transition-fast);
}

.history-overflow-item:hover {
    background-color: var(--color-interactive-hover);
    color: var(--color-text-primary);
}

.history-overflow-item .material-symbols-outlined {
    font-size: 18px;
}

.history-overflow-item-danger {
    color: var(--color-action-danger);
}

.history-overflow-item-danger:hover {
    color: var(--color-action-danger);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-sm);
}

/* ── History stack ── */
.history-stack {
    position: relative;
    cursor: pointer;
}

.history-stack-cards {
    position: relative;
}

.history-stack-item {
    --sx: calc(1 - var(--layer) * 0.03);
    transform-origin: top center;
    transform: scaleX(var(--sx));
    z-index: calc(10 - var(--layer));
    position: relative;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    will-change: transform;
}

/* Top card is interactive — only the direct first child of stack-cards */
.history-stack-cards > .history-stack-item:first-child {
    pointer-events: auto;
    transform: none;
}

/* ── Stacked rest area ── */
.history-stack-rest {
    cursor: pointer;
    position: relative;
}

/* Stacked cards: greyed-out text + progressively darker background */
.history-stack-rest .history-entry {
    color: var(--color-text-tertiary);
    opacity: calc(1 - var(--layer) * 0.1);
}

.history-stack-rest .history-entry-food-name {
    color: var(--color-text-tertiary);
}


/* Cards behind overlap upward — each shows less than the previous */
.history-stack-rest .history-stack-item {
    margin-top: calc(-18px - (var(--layer) - 1) * 6px);
}

/* Hover: breathing peek animation — only on the stacked rest area */
/* Use translateY for GPU-accelerated animation (no layout thrashing) */
.history-stack-rest:hover .history-stack-item {
    animation: stackBreathe 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    animation-delay: calc(var(--layer) * 0.15s);
}

@keyframes stackBreathe {
    0%, 100% {
        transform: scaleX(var(--sx)) translateY(0);
    }
    50% {
        transform: scaleX(var(--sx)) translateY(8px);
    }
}

/* ── Ghost cards (empty placeholders hinting at more) ── */
.history-stack-ghost {
    --ghost-sx: calc(0.91 - var(--ghost) * 0.03);
    height: 40px;
    margin-top: calc(-34px - var(--ghost) * 4px);
    background-color: var(--color-bg-surface);
    opacity: calc(0.7 - var(--ghost) * 0.1);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    transform-origin: top center;
    transform: scaleX(var(--ghost-sx));
    position: relative;
    z-index: calc(2 - var(--ghost));
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.history-stack-rest:hover .history-stack-ghost {
    animation: ghostBreathe 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    animation-delay: calc((var(--ghost) + 2) * 0.15s);
}

@keyframes ghostBreathe {
    0%, 100% {
        transform: scaleX(var(--ghost-sx)) translateY(0);
    }
    50% {
        transform: scaleX(var(--ghost-sx)) translateY(6px);
    }
}

.history-stack-label {
    display: block;
    width: 100%;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    font-size: var(--typography-xs-fontSize);
    font-family: inherit;
    color: var(--color-text-tertiary);
    background: none;
    border: none;
    cursor: pointer;
    text-align: center;
    transition: color var(--transition-fast);
}

.history-stack-label:hover {
    color: var(--color-text-link);
}

.history-empty {
    color: var(--color-text-tertiary);
    font-size: var(--typography-sm-fontSize);
    padding: var(--spacing-md) 0;
}

.history-entry {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: box-shadow var(--transition-fast),
                padding 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.history-entry:hover {
    box-shadow: var(--shadow-sm);
}

/* ── Header row — crossfade collapsed ↔ expanded ── */
.history-entry-header-row {
    position: relative;
    min-height: 32px;
    display: flex;
    align-items: center;
}

.history-header-collapsed,
.history-header-expanded {
    display: flex;
    align-items: center;
    width: 100%;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.history-header-collapsed {
    gap: var(--spacing-sm);
    opacity: 1;
    transform: translateY(0);
}

.history-header-expanded {
    position: absolute;
    inset: 0;
    justify-content: space-between;
    align-items: baseline;
    opacity: 0;
    transform: translateY(4px);
    pointer-events: none;
}

.history-entry.expanded .history-header-collapsed {
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
}

.history-entry.expanded .history-header-expanded {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.history-entry-food-name {
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}

.history-entry-calories {
    flex-shrink: 0;
    font-size: var(--typography-sm-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    color: var(--color-action-primary);
    font-variant-numeric: tabular-nums;
}

/* ── Detail content — animated ── */
.history-entry-detail {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    transition: grid-template-rows 0.2s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.15s ease;
    overflow: hidden;
}

.history-entry-detail > .history-entry-detail-inner {
    overflow: hidden;
    padding-top: 0;
    transition: padding-top 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.history-entry.expanded .history-entry-detail {
    grid-template-rows: 1fr;
    opacity: 1;
}

.history-entry.expanded .history-entry-detail > .history-entry-detail-inner {
    padding-top: var(--spacing-sm);
}

.history-entry.expanded {
    padding: var(--spacing-md);
    cursor: auto;
    transition: padding 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Beard toolbar ── */
.history-entry-beard {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    background-color: var(--color-bg-page);
    border-top: 1px solid transparent;
    margin: 0 calc(-1 * var(--spacing-md));
    margin-bottom: 0;
    border-top-width: 0;
    padding: 0 var(--spacing-md);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    transition: max-height 0.2s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.15s ease,
                margin-top 0.2s cubic-bezier(0.4, 0, 0.2, 1),
                margin-bottom 0.2s cubic-bezier(0.4, 0, 0.2, 1),
                border-top-width 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.history-entry.expanded .history-entry-beard {
    max-height: 60px;
    opacity: 1;
    margin-top: var(--spacing-md);
    margin-bottom: calc(-1 * var(--spacing-md));
    padding: var(--spacing-sm) var(--spacing-md);
    border-top-width: 1px;
    border-top-color: var(--color-border-default);
}

/* Slightly smaller buttons so they breathe within the beard */
.history-entry-beard .history-beard-btn {
    width: 28px;
    height: 28px;
}

.history-entry-beard .history-beard-btn .material-symbols-outlined {
    font-size: 16px;
}


.history-beard-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 0;
}

.history-beard-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.history-beard-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: background-color var(--transition-fast),
                color var(--transition-fast);
}

.history-beard-btn:hover {
    background-color: var(--color-interactive-hoverStrong);
    color: var(--color-text-secondary);
}

.history-beard-btn.active {
    color: var(--color-action-primary);
}

.history-beard-btn .material-symbols-outlined {
    font-size: 18px;
}

/* ── Staggered line animation ── */
.history-entry.expanded .history-entry-detail .result-item,
.history-entry.expanded .history-entry-detail .history-prompt,
.history-entry.expanded .history-entry-detail .result-meta {
    animation: staggerFadeIn 0.15s ease both;
}

.history-entry.expanded .history-response .result-item:nth-child(1) { animation-delay: 30ms; }
.history-entry.expanded .history-response .result-item:nth-child(2) { animation-delay: 60ms; }
.history-entry.expanded .history-response .result-item:nth-child(3) { animation-delay: 90ms; }
.history-entry.expanded .history-response .result-item:nth-child(4) { animation-delay: 120ms; }
.history-entry.expanded .history-response .result-item:nth-child(5) { animation-delay: 150ms; }
.history-entry.expanded .history-response .result-meta { animation-delay: 150ms; }

@keyframes staggerFadeIn {
    from {
        opacity: 0;
        transform: translateY(3px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* cardPopIn removed — morph animation handles this now */

/* Stagger shift for existing history cards */
/* staggerShiftDown removed — FLIP-based Web Animations API handles this now */

.history-thumb {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.history-entry-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 0;
}

.history-date {
    font-size: var(--typography-xs-fontSize);
    color: var(--color-text-tertiary);
}

.history-input-text {
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-prompt {
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-page);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

/* ── History card hero tokens ── */
/* ── Collapse chevron button ── */
.history-collapse-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    color: inherit;
    font: inherit;
}

.history-collapse-btn .material-symbols-outlined {
    font-size: 18px;
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.history-collapse-btn:hover .material-symbols-outlined {
    color: var(--color-text-primary);
}

.results-collapse-btn .material-symbols-outlined {
    font-size: 20px;
}

/* ── Detail thumbnail ── */
.history-detail-thumb-wrap {
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
}

.history-detail-thumb {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    transition: opacity var(--transition-fast);
}

.history-detail-thumb:hover {
    opacity: var(--opacity-hover);
}

/* ── Full-size image overlay ── */
.image-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.8);
    cursor: pointer;
    animation: overlayFadeIn 0.2s ease;
}

.image-overlay.closing {
    animation: overlayFadeOut 0.2s ease forwards;
}

.image-overlay img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

@keyframes overlayFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes overlayFadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.history-hero-label {
    font-size: var(--typography-sm-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    color: var(--color-text-secondary);
}

.history-hero-range {
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.history-hero-number {
    font-size: var(--typography-xl-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    line-height: 1;
    color: var(--color-action-primary);
}

.history-hero-tilde {
    opacity: 0.5;
}

.history-response {
    font-size: var(--typography-sm-fontSize);
}

.history-response .result-line {
    padding: 2px 0;
}

/* ── Model badge (history page) ── */
.model-badge {
    display: inline-block;
    padding: 1px var(--spacing-xs);
    font-size: 10px;
    font-weight: var(--typography-xl-fontWeight);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    line-height: var(--typography-base-lineHeight);
}

.model-badge-gemini {
    background-color: var(--color-status-infoBg);
    color: var(--color-status-infoText);
}

.model-badge-claude {
    background-color: var(--color-status-warningBg);
    color: var(--color-status-warningText);
}

/* ── Shared modal ── */
.modal {
    border: none;
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-surface);
    color: var(--color-text-primary);
    padding: 0;
    max-width: 400px;
    width: calc(100% - 32px);
    box-shadow: var(--shadow-xl);
    margin: auto;
    overflow: hidden;
}

.modal::backdrop {
    background-color: var(--color-bg-overlay);
}

.modal-lg {
    max-width: 560px;
    /* Pin to 64px from top, centered horizontally */
    inset: 64px 0 auto 0;
    margin: 0 auto;
    max-height: calc(100vh - 64px - 64px);
}

.modal-lg[open] {
    display: flex;
    flex-direction: column;
}

.modal-content {
    padding: var(--spacing-lg);
}

.modal-lg > .modal-content {
    padding-bottom: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.modal-title {
    font-size: var(--typography-xl-fontSize);
    font-weight: var(--typography-xl-fontWeight);
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: background-color var(--transition-fast),
                color var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--color-interactive-hover);
    color: var(--color-text-primary);
}

.modal-body {
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-secondary);
    margin: 0 0 var(--spacing-md);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.modal-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    height: 40px;
    padding: 0 var(--spacing-md);
    font-size: var(--typography-sm-fontSize);
    font-family: inherit;
    font-weight: var(--typography-xl-fontWeight);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-surface);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background-color var(--transition-fast),
                color var(--transition-fast);
}

.modal-btn:hover {
    background-color: var(--color-interactive-hover);
    color: var(--color-text-primary);
}

.modal-btn .material-symbols-outlined {
    font-size: 18px;
    line-height: 1;
    display: flex;
    align-items: center;
}

.modal-btn-primary {
    background-color: var(--color-action-primary);
    color: var(--color-action-primaryText);
    border-color: var(--color-action-primary);
}

.modal-btn-primary:hover {
    background-color: var(--color-action-primaryHover);
    color: var(--color-action-primaryText);
}

@media (max-width: 480px) {
    .modal-lg {
        max-width: 100%;
        width: calc(100% - 32px);
        inset: 64px 0 auto 0;
        max-height: calc(100vh - 64px - 64px);
    }

    .modal-lg > .modal-content {
        padding: var(--spacing-md);
    }
}

/* ── Login dialog ── */

#login-step-passphrase .login-form {
    gap: var(--spacing-md);
}

.login-passphrase-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.login-passphrase-wrapper .login-input {
    width: 100%;
    padding-right: 44px;
}

.login-toggle-visibility {
    position: absolute;
    right: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.login-toggle-visibility:hover {
    color: var(--color-text-secondary);
}

/* ── Prompt dialog (unique styles) ── */
.prompt-dialog-text {
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-secondary);
    background-color: var(--color-bg-page);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-style: italic;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 200px;
    overflow-y: auto;
}

/* ── Clipboard dialog (unique styles) ── */
#clipboard-dialog .modal-header {
    margin-bottom: var(--spacing-sm);
}

.clipboard-list {
    display: flex;
    flex-direction: column;
    margin-top: var(--spacing-sm);
    overflow-y: auto;
}

.clipboard-item {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border-default);
}

.clipboard-item:first-child {
    border-top: none;
    padding-top: var(--spacing-sm);
}

.clipboard-name-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-sm);
    font-family: inherit;
    font-size: var(--typography-sm-fontSize);
    text-align: left;
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast),
                color var(--transition-fast);
}

.clipboard-name-row-original {
    font-size: var(--typography-base-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    color: var(--color-text-primary);
}

.clipboard-name-row:hover {
    background-color: var(--color-interactive-hover);
    color: var(--color-text-primary);
}

.clipboard-name-row:hover .clipboard-name-icon {
    color: var(--color-text-secondary);
}

.clipboard-name-text {
    flex: 1;
    min-width: 0;
    word-break: break-word;
}

.clipboard-name-icon {
    flex-shrink: 0;
    font-size: 18px;
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.clipboard-name-row.copied {
    color: var(--color-action-primary);
}

.clipboard-name-row.copied .clipboard-name-icon {
    color: var(--color-action-primary);
}

.clipboard-empty {
    margin: var(--spacing-sm) 0;
    color: var(--color-text-tertiary);
    font-size: var(--typography-sm-fontSize);
}

/* ── Login page ── */
.login-card {
    max-width: 400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
}

.login-heading {
    font-size: var(--typography-xl-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    margin-bottom: var(--spacing-md);
}

.login-subtitle {
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.login-error {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background-color: var(--color-status-errorBg);
    color: var(--color-status-errorText);
    border-radius: var(--radius-md);
    font-size: var(--typography-sm-fontSize);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.login-label {
    font-size: var(--typography-sm-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    color: var(--color-text-secondary);
}

.login-input {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--typography-base-fontSize);
    font-family: inherit;
    color: var(--color-text-primary);
    background-color: var(--color-bg-page);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
}

.login-input:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.2);
}

.login-user-list {
    gap: var(--spacing-xs);
}

.login-user-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--typography-base-fontSize);
    font-family: inherit;
    color: var(--color-text-primary);
    background-color: var(--color-bg-page);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: background-color var(--transition-fast),
                border-color var(--transition-fast);
}

.login-user-btn:hover {
    background-color: var(--color-interactive-hover);
    border-color: var(--color-border-strong);
}

.login-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
    color: var(--color-text-tertiary);
    font-size: var(--typography-sm-fontSize);
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-border-default);
}

.login-back-link {
    display: block;
    margin-top: var(--spacing-md);
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-link);
    text-align: center;
}

/* ── History page extras ── */
.history-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.history-page-title-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.history-back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: background-color var(--transition-fast),
                color var(--transition-fast);
}

.history-back-btn:hover {
    background-color: var(--color-interactive-hover);
    color: var(--color-text-primary);
    text-decoration: none;
}

.history-back-btn .material-symbols-outlined {
    font-size: 22px;
}

.history-page-title {
    font-size: var(--typography-xl-fontSize);
    font-weight: var(--typography-xl-fontWeight);
}

.history-count {
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-tertiary);
}

/* ── History filters ── */
.history-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.history-filter-group {
    display: flex;
    gap: 2px;
    background-color: var(--color-bg-sunken);
    border-radius: var(--radius-md);
    padding: 2px;
}

.history-filter-chip {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--typography-xs-fontSize);
    font-family: inherit;
    color: var(--color-text-tertiary);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition-fast),
                color var(--transition-fast);
    white-space: nowrap;
}

.history-filter-chip:hover {
    color: var(--color-text-primary);
    text-decoration: none;
}

.history-filter-chip.active {
    background-color: var(--color-bg-surface);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm);
    font-weight: var(--typography-xl-fontWeight);
}

/* ── History page entries (always expanded) ── */
.history-page-entry {
    padding: var(--spacing-md);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
}

.history-page-entry-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.history-page-entry .history-detail-thumb-wrap {
    cursor: pointer;
    flex-shrink: 0;
}

.history-page-entry .history-detail-thumb {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.history-page-entry .history-response {
    margin-bottom: 0;
}

/* ── History page entry hero row (total calories) ── */
.history-page-hero-row {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-default);
}

.history-page-hero-label {
    font-size: var(--typography-xs-fontSize);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: var(--typography-xl-fontWeight);
}

.history-page-hero-range {
    display: flex;
    align-items: baseline;
    gap: 2px;
    margin-left: auto;
}

.history-page-hero-number {
    font-size: var(--typography-lg-fontSize);
    font-weight: var(--typography-xl-fontWeight);
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
}

.history-page-hero-tilde {
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-tertiary);
}

.history-page-entry .calorie-hero-original {
    font-size: var(--typography-xs-fontSize);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-sm);
}

.history-page-entry .history-entry-beard {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-height: none;
    opacity: 1;
    background-color: var(--color-bg-page);
    border-top: 1px solid var(--color-border-default);
    margin: var(--spacing-md) calc(-1 * var(--spacing-md)) calc(-1 * var(--spacing-md));
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    overflow: visible;
}

.history-page-entry .history-beard-left {
    flex-wrap: wrap;
}

.history-page-entry .history-beard-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.history-archived-badge {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 1px var(--spacing-xs);
    font-size: 10px;
    font-weight: var(--typography-xl-fontWeight);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    line-height: var(--typography-base-lineHeight);
    background-color: var(--color-bg-sunken);
    color: var(--color-text-tertiary);
}

.history-archived-badge .material-symbols-outlined {
    font-size: 12px;
}

.hp-delete-btn:hover {
    color: var(--color-action-danger) !important;
}

/* ── Pagination ── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) 0;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-link);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-decoration: none;
}

.pagination-link:hover {
    background-color: var(--color-interactive-hover);
    text-decoration: none;
}

.pagination-link .material-symbols-outlined {
    font-size: 18px;
}

.pagination-info {
    font-size: var(--typography-sm-fontSize);
    color: var(--color-text-tertiary);
}

/* ── Utility ── */
.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ── Mobile ── */
@media (max-width: 480px) {
    .app-main {
        padding: 0 var(--spacing-md) var(--spacing-lg);
    }

    .page-hero {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }

    .brand-title {
        font-size: var(--typography-3xl-fontSize);
    }

    .floating-controls {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .login-user-btn {
        min-height: 44px;
    }

    .history-delete-btn {
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--typography-sm-fontSize);
    }

    .pagination-link {
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* ── Mock mode subtitle ── */

.mock-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.brand-subtitle.mock-subtitle {
    color: crimson;
    font-weight: var(--typography-xl-fontWeight);
    margin-top: 0;
}

.mock-exit-btn {
    background: none;
    border: none;
    color: crimson;
    cursor: pointer;
    padding: 0;
    opacity: var(--opacity-muted);
    transition: opacity var(--transition-fast);
    line-height: 1;
    display: flex;
    align-items: center;
}

.mock-exit-btn:hover {
    opacity: 1;
}

.mock-exit-btn .material-symbols-outlined {
    font-size: var(--typography-base-fontSize);
}

/* ── Back-to-Apps footer ── */

.app-footer {
    display: flex;
    justify-content: center;
    padding: var(--spacing-sm) 0 var(--spacing-lg);
}

.rw-back-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.rw-back-logo {
    width: 24px;
    height: 24px;
    opacity: 0.1;
    filter: invert(1);
    transition: opacity var(--transition-fast), transform var(--transition-base);
}

[data-theme="dark"] .rw-back-logo {
    opacity: 0.25;
    filter: none;
}


@media (hover: hover) {
    .rw-back-logo:hover {
        opacity: 0.6;
    }
    .app-footer .rw-back-logo:hover {
        animation: rw-wobble 0.6s ease;
    }
}

@keyframes rw-wobble {
    0% { transform: rotate(0deg); }
    20% { transform: rotate(-15deg); }
    40% { transform: rotate(12deg); }
    60% { transform: rotate(-8deg); }
    80% { transform: rotate(4deg); }
    100% { transform: rotate(0deg); }
}