/*
   PUSHEEN COLOR PALETTE
   Greys: #878787, #7b7168, #bdb9b5, #474645
   Pastels: #fbd1e6 (pink), #f2a1b1 (pink), #ffdc6b (yellow), #94e1d3 (teal/mint), #d7a7e2 (lavender)
   Cream/Off-white: #fffdee, #f9eed5, #fef5dc
   Dark accents: #31261c, #34180a
*/

:root {
    /* Light mode (default) */
    --bg-primary: #fffdee;
    --bg-secondary: #fef5dc;
    --text-primary: #474645;
    --text-secondary: #7b7168;
    --border-color: #bdb9b5;
    --accent: #94e1d3;
    --accent-pink: #fbd1e6;
    --accent-yellow: #ffdc6b;
    --button-bg: #bdb9b5;
    --button-text: #31261c;
    --button-active: #94e1d3;
    --control-bg: #fffef7;
    --control-bg-hover: #fffaf0;
    --control-border: rgba(71, 70, 69, 0.24);
    --control-border-strong: rgba(71, 70, 69, 0.48);
    --control-selected: #e4f7f2;
    --control-ring: rgba(53, 151, 133, 0.28);
    --surface-shadow: 0 10px 30px rgba(49, 38, 28, 0.12);
    --danger: #b7433d;
    --danger-soft: #fff0ee;
}

body.dark-mode {
    /* Dark mode */
    --bg-primary: #474645;
    --bg-secondary: #31261c;
    --text-primary: #fffdee;
    --text-secondary: #bdb9b5;
    --border-color: #7b7168;
    --accent: #94e1d3;
    --accent-pink: #fbd1e6;
    --accent-yellow: #ffdc6b;
    --button-bg: #7b7168;
    --button-text: #fffdee;
    --button-active: #94e1d3;
    --control-bg: #3b3733;
    --control-bg-hover: #46413c;
    --control-border: rgba(255, 253, 238, 0.22);
    --control-border-strong: rgba(255, 253, 238, 0.48);
    --control-selected: #294d47;
    --control-ring: rgba(148, 225, 211, 0.32);
    --surface-shadow: 0 12px 34px rgba(0, 0, 0, 0.34);
    --danger: #ff8b83;
    --danger-soft: #512e2b;
}

/* Update in styles.css */
html, body {
    touch-action: pan-y;
    overflow-x: hidden;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* Remove tap highlight on mobile */
    -webkit-tap-highlight-color: transparent;
}

/* Prevent text selection and callouts on interactive elements only */
button, .timer-button, .toggle-btn, .hamburger {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

/* Mobile: Larger touch targets for easier tapping */
@media (max-width: 768px) {
    /* Extend clickable area for all buttons using padding */
    button, .timer-button, .toggle-btn, .hamburger, .history-item {
        position: relative;
    }

    /* Increase actual padding for better touch targets */
    .timer-button {
        padding: 20px 48px !important;
        min-height: 56px;
    }

    /* Larger touch area for history items */
    .history-item {
        padding: 20px !important;
        min-height: 64px;
    }

    /* Larger touch targets for session buttons */
    .session-btn {
        padding: 10px 16px !important;
        min-width: 56px;
        min-height: 44px;
    }

    /* Larger modal buttons */
    .modal-btn, .form-btn {
        min-height: 48px !important;
        padding: 14px !important;
    }

    /* Add day buttons */
    .add-day-btn, .add-session-btn {
        min-height: 56px !important;
        padding: 16px !important;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.modal-open {
    overflow: hidden;
}

/* Hamburger Menu */
.nav-menu {
    position: fixed;
    /* Tablet (768-1023px): toggles=104px, controls top=5px → center=57px; hamburger=52px → top=31px */
    top: 31px;
    left: 20px;
    z-index: 1000;
}

/* Desktop: toggles=120px, controls top=5px → center=65px; hamburger=60px → top=35px */
@media (min-width: 1024px) {
    .nav-menu {
        top: 35px;
    }
}

/* Mobile: toggles=72px, controls top=5px → center=41px; hamburger=32px → top=25px */
@media (max-width: 767px) {
    .nav-menu {
        top: 25px;
    }
}

.hamburger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: transform 0.2s ease, filter 0.3s ease;
    /* Explicitly prevent background-image from transitioning to avoid flash */
    position: relative;
}

.hamburger:hover {
    transform: scale(1.05);
}

.hamburger:active {
    transform: scale(0.95);
}

/* Hide the old hamburger spans - we'll use custom images now */
.hamburger span {
    display: none;
}

.menu-dropdown {
    position: absolute;
    top: 50px;
    left: 0;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 0;
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.menu-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.menu-dropdown a {
    display: block;
    padding: 12px 20px;
    color: var(--text-primary);
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.menu-dropdown a:first-child {
    border-radius: 6px 6px 0 0;
}

.menu-dropdown a:last-child {
    border-radius: 0 0 6px 6px;
}

.menu-dropdown a:only-child {
    border-radius: 6px;
}

.menu-dropdown a:hover {
    background-color: var(--accent-pink);
}

/* Main Timer Container */
.timer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    flex: 1;
    padding: 20px;
    padding-top: 120px;
    padding-bottom: max(48px, env(safe-area-inset-bottom));
    margin-top: 60px;
}

.daily-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    text-align: center;
}

.timer-display {
    width: 100%;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    line-height: 1;
    font-weight: 300;
    color: var(--text-primary);
    margin-bottom: 40px;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

/* Custom Timer Display - Hand Drawn Numbers */
.custom-timer-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-timer-char {
    display: inline-block;
    height: auto;
    /* Black PNGs will be inverted to white in dark mode */
}

/* Color inversion for custom images (black -> white in dark mode) */
body.dark-mode .custom-timer-char {
    filter: invert(1) brightness(1.2);
}

/* Color inversion for hamburger menu in dark mode */
body.dark-mode .hamburger {
    filter: invert(1) brightness(1.2);
}

/* Color inversion for toggle buttons in dark mode - all buttons use black PNGs */
body.dark-mode #themeToggle,
body.dark-mode #animationToggle {
    filter: invert(1) brightness(1.2);
}

.timer-button {
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    border-radius: 50px;
    padding: 16px 48px;
    font-size: 1.25rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.timer-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.timer-button:active {
    transform: translateY(0);
}

.timer-button.active {
    background-color: var(--button-active);
    color: var(--button-text);
}

/* Mode Toggle Controls */
.controls {
    position: fixed;
    top: 5px;
    right: 20px;
    display: flex;
    gap: 2px;
    z-index: 100;
}

.toggle-btn {
    background-color: transparent;
    border: none;
    width: 80px;
    height: 80px;
    cursor: pointer;
    position: relative;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: transform 0.2s ease, filter 0.3s ease;
    /* Explicitly prevent background-image from transitioning to avoid flash */
}

.toggle-btn:hover {
    transform: scale(1.05);
}

.toggle-btn:active {
    transform: scale(0.95);
}

/* Hide the old emoji icons */
.toggle-icon {
    display: none;
}

/* Animated PNG button frames */
.toggle-btn.animating {
    /* The animation will be handled by JavaScript changing background-image */
}

/* History Page */
.history-container {
    max-width: 600px;
    width: 100%;
    margin: 100px auto 40px;
    padding: 20px;
}

.history-container h1 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 30px;
    color: var(--text-primary);
}

/* Stats Summary */
.stats-summary {
    margin-bottom: 25px;
}

.stat-card {
    width: 100%;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 22px;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
    color: inherit;
    font-family: inherit;
}

.stat-card:hover {
    border-color: var(--accent);
    background-color: var(--accent-pink);
}

.stat-card-overview {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.stat-card-heading {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.stat-card-copy {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

.stat-card-action {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
}

.inline-breakdown {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 18px;
    border-top: 1px solid var(--border-color);
    text-align: left;
}

.inline-breakdown .summary-group {
    padding: 13px;
    background: var(--bg-primary);
}

.inline-breakdown .summary-empty {
    padding: 22px 16px;
}

/* Stat navigation buttons - small and inline */
.stat-nav-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    padding: 4px;
    margin: 0 2px;
    transition: all 0.2s ease;
}

.stat-nav-btn:hover {
    color: var(--text-primary);
}

.stat-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Mobile: ONLY reduce font to prevent wrapping */
@media (max-width: 480px) {
    .stat-value {
        font-size: 1.5rem;
    }
    .stat-card {
        padding: 18px;
    }
    .stat-card-action {
        font-size: 0.78rem;
    }
}

/* Add Day Button */
.add-day-btn {
    width: 100%;
    background-color: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.add-day-btn:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--button-text);
}

.history-pagination {
    min-height: 44px;
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.history-page-btn {
    min-width: 92px;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font: inherit;
    font-size: 0.85rem;
    cursor: pointer;
}

.history-page-btn:disabled {
    opacity: 0.35;
    cursor: default;
}

.history-page-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background-color: var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.history-item {
    background-color: var(--bg-secondary);
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
    position: relative;
}

.history-item::after {
    content: '›';
    position: absolute;
    right: 20px;
    color: var(--text-secondary);
    font-size: 1.5rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.history-item:hover {
    background-color: var(--accent-pink);
}

.history-item:hover::after {
    opacity: 1;
}

.history-date {
    font-size: 1rem;
    color: var(--text-primary);
}

.history-time {
    font-size: 1rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    margin-right: 30px;
}

/* Edit Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: flex-start;
    justify-content: center;
    padding: 16px;
    box-sizing: border-box;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: 16px;
    padding: 30px;
    max-width: 480px;
    width: min(100%, 480px);
    box-sizing: border-box;
    overflow: visible;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    position: relative;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    margin: auto 0;
}

/* Close × button — top-right of any modal */
.modal-close-x {
    position: sticky;
    top: 0;
    align-self: flex-end;
    width: 40px;
    height: 40px;
    margin: -12px -12px -28px 0;
    background: var(--control-bg);
    border: 1px solid var(--control-border);
    font-size: 1.4rem;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(49, 38, 28, 0.1);
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    z-index: 10;
}

.modal-close-x:hover {
    background-color: var(--control-bg-hover);
    border-color: var(--control-border-strong);
    color: var(--text-primary);
}

.modal-content h2 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.modal-date {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.date-picker-group {
    margin-bottom: 20px;
}

.date-picker-group label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.date-picker-group input[type="date"] {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    box-sizing: border-box;
}

.date-picker-group input[type="date"]:focus {
    outline: none;
    border-color: var(--accent);
}

.time-input-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
}

.time-input-group input {
    width: 80px;
    padding: 12px;
    font-size: 1.5rem;
    text-align: center;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.time-input-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.time-input-group span {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.modal-buttons {
    display: flex;
    gap: 10px;
}

.modal-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cancel-btn {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.save-btn {
    background-color: var(--accent);
    color: var(--button-text);
}

.modal-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Timeline Container */
.timeline-container {
    min-height: auto;
    max-height: none;
    overflow: visible;
    margin-top: 20px;
    width: 100%;
    box-sizing: border-box;
    padding-right: 0;
}

.no-sessions {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-style: italic;
}

/* Session Block */
.session-block {
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.session-block:hover {
    background-color: var(--accent-pink);
    border-color: var(--accent);
}

.session-time {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.session-duration {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-left: auto;
    margin-right: 12px;
}

.session-actions {
    display: flex;
    gap: 8px;
}

.session-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.edit-btn {
    background-color: var(--accent);
    color: var(--button-text);
}

.delete-btn {
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.session-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* Add Session Button */
.add-session-btn {
    width: 100%;
    background-color: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 12px;
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.add-session-btn:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--button-text);
}

/* Session Form */
.session-form {
    padding: 20px 0;
    width: 100%;
    box-sizing: border-box;
}

.session-form h3 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input[type="time"],
.form-group input[type="date"] {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-family: inherit;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-field-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 0 10px;
}


/* Mobile: narrower form inputs to prevent horizontal scrolling */
@media (max-width: 480px) {
    .form-group {
        width: 100%;
        overflow: hidden;
    }

    .form-group input[type="time"],
    .form-group input[type="date"] {
        width: 100%;
        max-width: 100%;
        padding: 10px 8px;
        font-size: 0.9rem;
        -webkit-appearance: none;
        appearance: none;
        box-sizing: border-box;
    }

    .session-form {
        padding: 16px 0;
        width: 100%;
        overflow: hidden;
    }

    .form-field-grid {
        grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
        gap: 0 6px;
    }

    .date-picker-group input[type="date"] {
        padding: 10px 8px;
        font-size: 0.9rem;
        -webkit-appearance: none;
        appearance: none;
    }
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 24px;
    position: sticky;
    bottom: -1px;
    padding: 8px 0 2px;
    background: var(--bg-primary);
    z-index: 2;
}

.form-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-btn.cancel-btn {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.form-btn.save-btn {
    background-color: var(--accent);
    color: var(--button-text);
}

.form-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Sprite Animation Container */
.sprite-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
    overflow: hidden;
}

.sprite {
    position: absolute;
    width: 100px;
    height: 100px;
}

/* Invert sprite images in dark mode (black PNGs → white), same as buttons */
body.dark-mode .sprite-img {
    filter: invert(1) brightness(1.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .timer-display {
        font-size: 50px;
    }

    .timer-button {
        padding: 14px 40px;
        font-size: 1.125rem;
    }

    .history-container {
        margin-top: 60px;
    }

    .controls {
        top: 5px;
        right: 15px;
    }

    .toggle-btn {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .timer-display {
        height: 40px;
        font-size: 40px;
    }
}

@media (max-width: 480px) {
    .nav-menu {
        top: 25px;
        left: 15px;
    }

    .timer-container {
        margin-top: 40px;
    }

    .daily-label {
        font-size: 0.875rem;
        margin-bottom: 30px;
    }

    .history-item {
        padding: 14px 16px;
    }

    .modal-content {
        padding: 24px 18px 18px;
        width: 100%;
        border-radius: 18px;
    }
}

/* ============================================================================
   SESSION CONFIG — Split Button & Dropdown
   ============================================================================ */

.timer-button-group {
    display: flex;
    align-items: stretch;
    background-color: var(--button-bg);
    border-radius: 50px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease, box-shadow 0.2s ease, transform 0.2s ease;
    color: var(--button-text);
}

.timer-button-group:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.timer-button-group:active {
    transform: translateY(0);
}

/* Override standalone .timer-button styles when inside group */
.timer-button-group .timer-button {
    background: transparent !important;
    box-shadow: none !important;
    border-radius: 50px 0 0 50px;
    padding: 16px 20px 16px 36px;
    margin: 0;
    color: inherit;
    transition: none;
}

/* When running, chevron is hidden — make padding symmetric so text is centred */
.timer-button-group.running .timer-button {
    padding: 16px 36px !important;
    border-radius: 50px;
    text-align: center;
}

.timer-button-group .timer-button:hover {
    transform: none;
    box-shadow: none;
}

.timer-button-group .timer-button:active {
    transform: none;
}

/* Mobile override */
@media (max-width: 768px) {
    .timer-button-group .timer-button {
        padding: 14px 16px 14px 28px !important;
        min-height: auto;
    }
}

.timer-chevron {
    background: transparent;
    border: none;
    border-left: 1px solid rgba(0, 0, 0, 0.12);
    padding: 14px 18px;
    cursor: pointer;
    color: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0 50px 50px 0;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

body.dark-mode .timer-chevron {
    border-left-color: rgba(255, 255, 255, 0.15);
}

.timer-chevron:hover {
    background-color: rgba(0, 0, 0, 0.06);
}

body.dark-mode .timer-chevron:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.timer-chevron svg {
    transition: transform 0.25s ease;
}

.timer-chevron.open svg {
    transform: rotate(180deg);
}

.timer-chevron:disabled {
    display: none;
}

/* Session config dropdown */
.session-config {
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 16px;
    width: min(360px, calc(100vw - 32px));
    display: none;
    max-height: none;
    overflow: visible;
    margin-top: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.98);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    pointer-events: none;
}

.session-config.open {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* Category grid — readable two-column choices */
.category-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
}

.category-chip {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: transparent;
    min-width: 0;
    font-family: inherit;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.category-chip:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

body.dark-mode .category-chip:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.category-chip.selected {
    background-color: var(--accent-pink);
    border-color: var(--accent);
}

.chip-color {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2.5px solid transparent;
    transition: border-color 0.15s ease, transform 0.15s ease;
    flex-shrink: 0;
}

.category-chip.selected .chip-color {
    border-color: var(--text-primary);
    transform: scale(1.12);
}

.chip-name {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: left;
    max-width: none;
    min-width: 0;
    white-space: normal;
    overflow-wrap: anywhere;
    line-height: 1.25;
}

.category-group-header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 4px 2px;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    pointer-events: none;
    user-select: none;
}

/* Subgroup header in the timer category grid — slightly smaller and indented */
.category-subgroup-header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 4px 2px 14px;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-secondary);
    pointer-events: none;
    user-select: none;
    opacity: 0.8;
}

/* Subgroup header in the add/edit session form picker */
.form-picker-subgroup-header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 4px 1px 14px;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-secondary);
    pointer-events: none;
    user-select: none;
    opacity: 0.8;
}

.category-group-triangle {
    display: inline-block;
    width: 0;
    height: 0;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    border-left: 7px solid currentColor;
    flex-shrink: 0;
}

.chip-name-input {
    font-size: 0.58rem;
    color: var(--text-primary);
    text-align: center;
    width: 44px;
    border: none;
    border-bottom: 1px solid var(--accent);
    background: transparent;
    padding: 0;
    outline: none;
    font-family: inherit;
}

/* Divider */
.config-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 12px 0;
}

/* Mode toggle */
.mode-toggle {
    display: flex;
    background-color: var(--bg-primary);
    border-radius: 8px;
    padding: 2px;
    gap: 2px;
}

.mode-btn {
    flex: 1;
    padding: 6px 8px;
    border: none;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    background: transparent;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    font-family: inherit;
}

.mode-btn.active {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Duration picker — hidden until countdown mode is active */
.duration-picker {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    transition: max-height 0.25s ease, opacity 0.2s ease, margin-top 0.25s ease;
}

.duration-picker.visible {
    max-height: 60px;
    opacity: 1;
    margin-top: 10px;
}

.duration-chip {
    padding: 5px 10px;
    border: 1.5px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.73rem;
    font-weight: 500;
    cursor: pointer;
    background: transparent;
    color: var(--text-secondary);
    transition: all 0.15s ease;
    font-family: inherit;
}

.duration-chip.active {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--button-text);
}

.duration-chip:hover:not(.active) {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.duration-custom {
    display: flex;
    align-items: center;
    gap: 3px;
    margin-left: auto;
}

.duration-custom input {
    width: 52px;
    padding: 4px 6px;
    font-size: 0.73rem;
    border: 1.5px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    text-align: center;
    font-family: inherit;
}

.duration-custom input:focus {
    outline: none;
    border-color: var(--accent);
}

.duration-custom-label {
    font-size: 0.68rem;
    color: var(--text-secondary);
}

/* History — colored category dots */
.history-item-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-dots {
    display: flex;
    gap: 3px;
    align-items: center;
}

.category-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Session block with colour dot */
.session-block-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.session-color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Form colour picker — chips matching timer page style */
.form-color-picker {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-secondary);
}

.form-picker-group-header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 4px 2px;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    pointer-events: none;
    user-select: none;
}

.form-category-chip {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-width: 0;
    font-family: inherit;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.form-category-chip:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

body.dark-mode .form-category-chip:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.form-category-chip.selected .chip-color {
    border-color: var(--text-primary);
    transform: scale(1.12);
}

.form-category-chip.selected {
    background: var(--accent-pink);
    border-color: var(--accent);
}

.form-category-chip .chip-name {
    color: var(--text-primary);
    font-size: 0.78rem;
}

@media (max-width: 380px) {
    .form-color-picker {
        grid-template-columns: 1fr;
    }
}


/* Summary modal */
.summary-modal-content {
    width: min(94vw, 620px);
    max-width: 620px;
    max-height: none;
    overflow: visible;
}

.summary-modal-content h2 {
    margin: 0 44px 18px 0;
}

.summary-period-tabs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 3px;
    padding: 3px;
    border-radius: 12px;
    background: var(--bg-secondary);
    margin-bottom: 18px;
}

.summary-period-tab {
    border: 0;
    border-radius: 9px;
    padding: 9px 6px;
    background: transparent;
    color: var(--text-secondary);
    font: inherit;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
}

.summary-period-tab.active {
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.summary-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 14px;
}

.summary-period-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 0;
    flex: 1;
    text-align: center;
    overflow-wrap: anywhere;
}

.summary-header .stat-nav-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary);
    font-size: 1.35rem;
    flex-shrink: 0;
}

.summary-header-static .stat-nav-btn {
    visibility: hidden;
    pointer-events: none;
}

.summary-total-card {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 15px 16px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-secondary);
    margin-bottom: 16px;
}

.summary-total-label {
    color: var(--text-secondary);
    font-size: 0.82rem;
}

.summary-total {
    font-size: 1.45rem;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.summary-bars {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: auto;
    overflow: visible;
    padding: 1px 3px 4px 1px;
    flex: none;
    padding-right: 0;
}

.summary-group {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 14px;
    background: var(--bg-secondary);
}

.summary-category-row {
    min-width: 0;
    padding-left: calc(var(--summary-depth, 0) * 12px);
}

.summary-category-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 8px;
}

.summary-category-identity {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    min-width: 0;
    flex: 1;
}

.summary-category-name {
    min-width: 0;
    color: var(--text-primary);
    font-size: 0.86rem;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.summary-category-parent .summary-category-name {
    font-size: 0.95rem;
    font-weight: 600;
}

.summary-share-context {
    color: var(--text-secondary);
    font-size: 0.72rem;
    line-height: 1.2;
}

.summary-category-parent .summary-share-context {
    margin: -3px 0 9px 18px;
}

.summary-bar-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 2px;
}

.summary-category-stats {
    display: flex;
    align-items: baseline;
    justify-content: flex-end;
    gap: 8px;
    flex-shrink: 0;
}

.summary-bar-track {
    width: 100%;
    height: 8px;
    background-color: var(--border-color);
    border-radius: 999px;
    overflow: hidden;
}

.summary-bar-fill {
    height: 100%;
    border-radius: 999px;
    transition: width 0.4s ease;
    min-width: 2px;
}

.summary-bar-time {
    font-size: 0.82rem;
    color: var(--text-primary);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.summary-percentage {
    min-width: 34px;
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    text-align: right;
}

.summary-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
    color: var(--text-secondary);
    padding: 32px 20px;
    border: 1px dashed var(--border-color);
    border-radius: 14px;
}

.summary-empty strong {
    color: var(--text-primary);
    font-size: 0.95rem;
}

.summary-empty span {
    font-size: 0.82rem;
}

.summary-children {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
}

.summary-children-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 0 7px 12px;
    color: var(--text-secondary);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.summary-children .summary-category-row {
    padding-top: 9px;
    padding-bottom: 9px;
    border-top: 1px solid var(--border-color);
}

.summary-children-label + .summary-category-row {
    border-top: 0;
}

.summary-children .summary-category-line {
    margin-bottom: 0;
}

.summary-group-single-child {
    gap: 12px;
}

.summary-single-group-header,
.summary-single-child-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.summary-single-group-header .summary-category-name {
    font-size: 0.95rem;
    font-weight: 600;
}

.summary-single-group-header .summary-share-context {
    flex-shrink: 0;
    text-align: right;
}

.summary-single-child-line {
    padding: 11px 12px;
    border-radius: 10px;
    background: var(--bg-primary);
}

.summary-single-child-line .summary-category-name {
    font-weight: 500;
}

@media (max-width: 480px) {
    .summary-modal-content {
        width: 100%;
    }

    .summary-period-tab {
        padding: 9px 3px;
        font-size: 0.76rem;
    }

    .summary-category-line {
        gap: 8px;
    }

    .summary-category-stats {
        gap: 5px;
    }

}

/* ============================================================
   SUBJECTS / LABELS PAGE
   ============================================================ */

.subjects-container {
    max-width: 600px;
    width: 100%;
    margin: 100px auto 40px;
    padding: 20px;
}

.subjects-container h1 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 20px;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .subjects-container {
        margin-top: 60px;
    }
}

/* Add label/group button row */
.add-subject-btns {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.add-subject-btn {
    flex: 1;
    background-color: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

.add-subject-btn:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--button-text);
}

/* Triangle swatch for group rows on labels page */
.subject-swatch-triangle {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    cursor: pointer;
    transition: transform 0.15s ease;
    overflow: visible;
}

.subject-swatch-triangle:hover {
    transform: scale(1.1);
}

.subjects-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background-color: var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.subject-row {
    background-color: var(--bg-secondary);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

.drag-handle {
    width: 14px;
    flex-shrink: 0;
    color: var(--text-secondary);
    opacity: 0.35;
    cursor: grab;
    user-select: none;
    font-size: 0.9rem;
    line-height: 1;
    touch-action: none;
}

.drag-handle:hover {
    opacity: 0.7;
}

.drag-ghost {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    border-radius: 6px;
    background: var(--bg-secondary);
    border: 1.5px solid var(--accent);
    opacity: 0.85;
    display: flex;
    align-items: center;
    padding: 0 16px;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.subject-row.dragging {
    opacity: 0.4;
}

.subject-row.drag-over-before::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.subject-row.drag-over-after::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.subject-row.child {
    padding-left: 28px;
    border-left: 3px solid var(--border-color);
}

/* Depth-2: label inside a subgroup */
.subject-row.grandchild {
    padding-left: 44px;
    border-left: 3px solid var(--border-color);
}

.subject-row.retired {
    opacity: 0.5;
}

.subject-swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    cursor: pointer;
    box-shadow: 0 0 0 1.5px var(--border-color);
    transition: transform 0.15s ease;
}

.subject-swatch:hover {
    transform: scale(1.1);
}

.subject-name-input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text-primary);
    padding: 4px 0;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s;
}

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

.subject-group-btn {
    font-size: 0.72rem;
    font-family: inherit;
    border-radius: 20px;
    padding: 3px 9px;
    cursor: pointer;
    flex-shrink: 1;
    min-width: 0;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background 0.15s;
    border: 1.5px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    white-space: nowrap;
}

.subject-group-btn.is-parent {
    background: var(--border-color);
    cursor: default;
}

.subject-group-btn.has-parent {
    border-color: var(--accent);
    color: var(--text-primary);
    background: var(--bg-primary);
}

.subject-group-btn.no-parent:hover {
    background: var(--bg-primary);
}

.subject-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.subject-action-btn {
    font-size: 0.72rem;
    font-family: inherit;
    background: transparent;
    border: 1.5px solid var(--border-color);
    border-radius: 6px;
    padding: 3px 8px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.subject-action-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.subject-delete-btn:hover {
    background: #f44336;
    border-color: #f44336;
    color: white;
}

.subject-retired-sep {
    background-color: var(--bg-primary);
    padding: 8px 16px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    opacity: 0.7;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.subject-retired-chevron {
    font-size: 0.6rem;
}

@media (max-width: 500px) {
    .subject-row {
        padding: 10px 12px;
        gap: 6px;
    }
    .subject-actions {
        gap: 4px;
        flex-shrink: 0;
    }
    .subject-group-btn {
        max-width: 80px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

.subjects-loading {
    background-color: var(--bg-secondary);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 30px 20px;
    margin: 0;
}

/* Save button for subjects page */
.save-subjects-btn {
    width: 100%;
    background-color: var(--accent);
    color: var(--button-text);
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 40px;
}

.save-subjects-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.save-subjects-btn:disabled {
    opacity: 0.6;
    cursor: default;
    transform: none;
}

/* Colour palette popup */
.colour-palette-popup {
    position: absolute;
    z-index: 2000;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    padding: 10px;
    display: grid;
    grid-template-columns: repeat(6, 28px);
    gap: 6px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.palette-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 0 1px transparent;
    transition: transform 0.1s, box-shadow 0.1s;
}

.palette-dot:hover {
    transform: scale(1.15);
}

.palette-dot.active {
    box-shadow: 0 0 0 2px var(--text-primary);
}

/* Group picker popup */
.group-picker-popup {
    position: absolute;
    z-index: 2000;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: 10px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 130px;
}

.group-picker-opt {
    display: flex;
    align-items: center;
    gap: 7px;
    width: 100%;
    text-align: left;
    padding: 7px 10px;
    border: none;
    border-radius: 6px;
    background: transparent;
    font-size: 0.85rem;
    font-family: inherit;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.1s;
}

.group-picker-opt:hover,
.group-picker-opt.active {
    background: var(--bg-primary);
}

.group-picker-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ============================================================
   MODERN INPUT SYSTEM
   Shared sizing, states and selection language across the app.
   ============================================================ */

button,
input {
    font-family: inherit;
}

button:focus-visible,
input:focus-visible,
[role="button"]:focus-visible {
    outline: 3px solid var(--control-ring);
    outline-offset: 2px;
}

button:disabled,
input:disabled {
    cursor: not-allowed;
}

/* Date and time fields */
.date-picker-group label,
.form-group > label {
    margin-bottom: 7px;
    color: var(--text-primary);
    font-size: 0.76rem;
    font-weight: 650;
    letter-spacing: 0.015em;
}

.date-picker-group input[type="date"],
.form-group input[type="date"],
.form-group input[type="time"] {
    width: 100%;
    min-height: 48px;
    padding: 11px 12px;
    border: 1px solid var(--control-border);
    border-radius: 12px;
    background: var(--control-bg);
    color: var(--text-primary);
    box-shadow: 0 1px 1px rgba(49, 38, 28, 0.04);
    font-size: 0.95rem;
    font-variant-numeric: tabular-nums;
    appearance: auto;
    -webkit-appearance: auto;
    transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.date-picker-group input[type="date"]:hover,
.form-group input[type="date"]:hover,
.form-group input[type="time"]:hover {
    border-color: var(--control-border-strong);
    background: var(--control-bg-hover);
}

.date-picker-group input[type="date"]:focus,
.form-group input[type="date"]:focus,
.form-group input[type="time"]:focus {
    outline: none;
    border-color: #359785;
    background: var(--control-bg);
    box-shadow: 0 0 0 3px var(--control-ring);
}

body.dark-mode input[type="date"],
body.dark-mode input[type="time"] {
    color-scheme: dark;
}

/* Segmented choices */
.mode-toggle,
.summary-period-tabs {
    gap: 4px;
    padding: 4px;
    border: 1px solid var(--control-border);
    border-radius: 14px;
    background: rgba(123, 113, 104, 0.1);
}

.mode-btn,
.summary-period-tab {
    min-height: 40px;
    padding: 9px 10px;
    border: 1px solid transparent;
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 650;
    transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.mode-btn:hover,
.summary-period-tab:hover {
    color: var(--text-primary);
    background: var(--control-bg-hover);
}

.mode-btn.active,
.summary-period-tab.active {
    border-color: var(--control-border);
    background: var(--control-bg);
    color: var(--text-primary);
    box-shadow: 0 2px 7px rgba(49, 38, 28, 0.1);
}

/* Timer duration choices */
.duration-picker {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    align-items: stretch;
}

.duration-picker.visible {
    max-height: 112px;
    margin-top: 10px;
}

.duration-chip,
.duration-custom input {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--control-border);
    border-radius: 11px;
    background: var(--control-bg);
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 650;
    transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.duration-chip {
    padding: 8px 10px;
}

.duration-chip:hover:not(.active) {
    border-color: var(--control-border-strong);
    background: var(--control-bg-hover);
    color: var(--text-primary);
}

.duration-chip.active {
    border-color: #359785;
    background: var(--control-selected);
    color: var(--text-primary);
    box-shadow: inset 0 0 0 1px #359785;
}

.duration-custom {
    position: relative;
    margin: 0;
}

.duration-custom input {
    padding: 8px 34px 8px 10px;
    text-align: left;
    font-weight: 500;
    -moz-appearance: textfield;
}

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

.duration-custom input:hover {
    border-color: var(--control-border-strong);
    background: var(--control-bg-hover);
}

.duration-custom input:focus {
    outline: none;
    border-color: #359785;
    box-shadow: 0 0 0 3px var(--control-ring);
}

.duration-custom.active input {
    border-color: #359785;
    background: var(--control-selected);
    box-shadow: inset 0 0 0 1px #359785;
}

.duration-custom-label {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 0.7rem;
}

/* Selectable label cards */
.category-grid,
.form-color-picker {
    gap: 8px;
}

.form-color-picker {
    padding: 10px;
    border-color: var(--control-border);
    border-radius: 14px;
    background: rgba(123, 113, 104, 0.06);
}

.category-chip,
.form-category-chip {
    position: relative;
    min-height: 46px;
    padding: 9px 34px 9px 10px;
    gap: 9px;
    border: 1px solid var(--control-border);
    border-radius: 12px;
    background: var(--control-bg);
    color: var(--text-primary);
    box-shadow: 0 1px 1px rgba(49, 38, 28, 0.03);
    transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.category-chip:hover,
.form-category-chip:hover,
body.dark-mode .category-chip:hover,
body.dark-mode .form-category-chip:hover {
    border-color: var(--control-border-strong);
    background: var(--control-bg-hover);
}

.category-chip.selected,
.form-category-chip.selected {
    border-color: #359785;
    background: var(--control-selected);
    box-shadow: inset 0 0 0 1px #359785;
}

.category-chip.selected::after,
.form-category-chip.selected::after {
    content: '\2713';
    position: absolute;
    right: 11px;
    top: 50%;
    transform: translateY(-50%);
    color: #287566;
    font-size: 0.9rem;
    font-weight: 800;
}

body.dark-mode .category-chip.selected::after,
body.dark-mode .form-category-chip.selected::after {
    color: var(--accent);
}

.chip-color {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(71, 70, 69, 0.18);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.5);
}

.category-chip.selected .chip-color,
.form-category-chip.selected .chip-color {
    border-color: rgba(71, 70, 69, 0.35);
    transform: none;
}

.category-chip .chip-name,
.form-category-chip .chip-name {
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 550;
    line-height: 1.25;
}

.category-group-header,
.category-subgroup-header,
.form-picker-group-header,
.form-picker-subgroup-header {
    font-weight: 700;
}

/* Primary, secondary and pagination actions */
.form-btn,
.modal-btn,
.add-session-btn,
.add-day-btn,
.add-subject-btn,
.history-page-btn,
.summary-header .stat-nav-btn {
    min-height: 44px;
    border-radius: 12px;
    font-weight: 650;
    transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.form-btn.cancel-btn,
.modal-btn.cancel-btn,
.history-page-btn,
.summary-header .stat-nav-btn {
    border: 1px solid var(--control-border);
    background: var(--control-bg);
    color: var(--text-primary);
}

.form-btn.save-btn,
.modal-btn.save-btn {
    border: 1px solid #359785;
    background: var(--accent);
    color: #20332f;
    box-shadow: 0 2px 8px rgba(53, 151, 133, 0.18);
}

.form-btn:hover,
.modal-btn:hover,
.history-page-btn:hover:not(:disabled),
.summary-header .stat-nav-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(49, 38, 28, 0.12);
}

.add-session-btn,
.add-day-btn,
.add-subject-btn {
    border: 1px solid var(--control-border);
    background: var(--control-bg);
    color: var(--text-primary);
}

.add-session-btn:hover,
.add-day-btn:hover,
.add-subject-btn:hover {
    border-color: #359785;
    background: var(--control-selected);
    color: var(--text-primary);
}

.history-page-btn:disabled,
.stat-nav-btn:disabled {
    opacity: 0.42;
    background: transparent;
}

/* Label manager fields and menus */
.subjects-list {
    gap: 8px;
    overflow: visible;
    background: transparent;
}

.subject-row {
    gap: 9px;
    border: 1px solid var(--control-border);
    border-radius: 14px;
    background: var(--bg-secondary);
    box-shadow: 0 1px 2px rgba(49, 38, 28, 0.04);
}

.subject-row.child,
.subject-row.grandchild {
    border-left-width: 3px;
}

.subject-name-input {
    min-height: 40px;
    padding: 8px 10px;
    border: 1px solid var(--control-border);
    border-radius: 10px;
    background: var(--control-bg);
    font-size: 0.88rem;
    transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.subject-name-input:hover {
    border-color: var(--control-border-strong);
    background: var(--control-bg-hover);
}

.subject-name-input:focus {
    outline: none;
    border-color: #359785;
    background: var(--control-bg);
    box-shadow: 0 0 0 3px var(--control-ring);
}

.subject-group-btn,
.subject-action-btn {
    min-height: 36px;
    border: 1px solid var(--control-border);
    border-radius: 10px;
    background: var(--control-bg);
    color: var(--text-primary);
    font-weight: 600;
}

.subject-group-btn {
    padding: 7px 28px 7px 10px;
    position: relative;
}

.subject-group-btn::after {
    content: '\2304';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-58%);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.subject-group-btn:hover,
.subject-action-btn:hover {
    border-color: var(--control-border-strong);
    background: var(--control-bg-hover);
    color: var(--text-primary);
}

.subject-group-btn.has-parent {
    border-color: #359785;
    background: var(--control-selected);
}

.subject-action-btn {
    padding: 7px 10px;
}

.subject-delete-btn {
    width: 36px;
    padding: 0;
    color: var(--danger);
}

.subject-delete-btn:hover {
    border-color: var(--danger);
    background: var(--danger-soft);
    color: var(--danger);
}

.subject-swatch,
.subject-swatch-triangle {
    outline: none;
    border-radius: 8px;
}

.subject-swatch:focus-visible,
.subject-swatch-triangle:focus-visible {
    box-shadow: 0 0 0 3px var(--control-ring);
}

.colour-palette-popup,
.group-picker-popup {
    border: 1px solid var(--control-border);
    border-radius: 14px;
    background: var(--control-bg);
    box-shadow: var(--surface-shadow);
}

.colour-palette-popup {
    grid-template-columns: repeat(6, 36px);
    gap: 7px;
    padding: 12px;
}

.palette-dot {
    position: relative;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 2px solid rgba(71, 70, 69, 0.14);
    box-shadow: none;
}

.palette-dot:hover {
    transform: translateY(-1px) scale(1.04);
    box-shadow: 0 3px 8px rgba(49, 38, 28, 0.16);
}

.palette-dot.active {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px var(--control-bg), 0 0 0 4px var(--text-primary);
}

.palette-dot.active::after {
    content: '\2713';
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: #31261c;
    font-weight: 900;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.9);
}

.group-picker-popup {
    min-width: 190px;
    max-width: min(280px, calc(100vw - 24px));
    max-height: min(360px, 60dvh);
    overflow-y: auto;
    padding: 7px;
}

.group-picker-opt {
    position: relative;
    min-height: 42px;
    padding: 9px 34px 9px 11px;
    border-radius: 10px;
    font-weight: 550;
}

.group-picker-opt:hover {
    background: var(--control-bg-hover);
}

.group-picker-opt.active {
    background: var(--control-selected);
    color: var(--text-primary);
}

.group-picker-opt.active::after {
    content: '\2713';
    position: absolute;
    right: 12px;
    color: #287566;
    font-weight: 800;
}

/* Confirmation dialogs use the same input hierarchy. */
.confirmation-overlay {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 16px;
    background: rgba(23, 19, 16, 0.56);
    backdrop-filter: blur(3px);
    overflow-y: auto;
    overscroll-behavior: contain;
}

.confirmation-dialog {
    width: min(100%, 400px);
    padding: 26px;
    border: 1px solid var(--control-border);
    border-radius: 18px;
    background: var(--bg-primary);
    box-shadow: var(--surface-shadow);
    margin: auto 0;
}

.confirmation-dialog h3 {
    margin-bottom: 10px;
    color: var(--text-primary);
    font-size: 1.22rem;
    font-weight: 650;
}

.confirmation-dialog p {
    margin-bottom: 22px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.confirmation-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.confirmation-btn {
    min-width: 96px;
    min-height: 44px;
    padding: 10px 16px;
    border: 1px solid var(--control-border);
    border-radius: 12px;
    background: var(--control-bg);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 650;
    cursor: pointer;
}

.confirmation-btn.primary {
    border-color: #359785;
    background: var(--accent);
    color: #20332f;
}

.confirmation-btn.danger {
    border-color: var(--danger);
    background: var(--danger);
    color: white;
}

@media (max-width: 500px) {
    .form-field-grid {
        gap: 0 8px;
    }

    .subject-row {
        padding: 11px;
    }

    .subject-name-input {
        flex-basis: 110px;
    }

    .subject-group-btn {
        max-width: 92px;
    }

    .subject-action-btn {
        font-size: 0.7rem;
        padding-inline: 8px;
    }

    .colour-palette-popup {
        grid-template-columns: repeat(6, 34px);
        gap: 6px;
        padding: 10px;
    }

    .palette-dot {
        width: 34px;
        height: 34px;
    }
}

@media (max-width: 380px) {
    .form-color-picker {
        grid-template-columns: 1fr;
    }

    .confirmation-actions {
        flex-direction: column-reverse;
    }

    .confirmation-btn {
        width: 100%;
    }
}