:root {
    --bg-color: #f4f7f6;
    --text-color: #111111;
    --border-color: #e5e7eb;
    --bg-alt: #ffffff;

    --show-bg: #e2e8f0;
    --show-border: #cbd5e1;
    --show-attend-bg: #bbf7d0;
    --show-attend-border: #4ade80;
    --show-maybe-bg: #fef08a;
    --show-maybe-border: #facc15;
    
    --plan-attend-color: #166534;
    --plan-maybe-color: #854d0e;
}

* { 
    box-sizing: border-box; 
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

input, textarea {
    -webkit-user-select: auto;
    user-select: auto;
}

body { margin: 0; font-family: sans-serif; background: var(--bg-color); color: var(--text-color); }
button { font-family: inherit; }

/* Density */
.size-small {
    --stage-width: 60px; --hour-width: 60px;
    --font-xs: 0.7rem; --font-sm: 0.8rem; --font-md: 0.95rem; --font-lg: 1.1rem;
    --spacing: 4px;
    --plan-time-width: 95px;
}
.size-medium {
    --stage-width: 80px; --hour-width: 80px;
    --font-xs: 0.8rem; --font-sm: 0.9rem; --font-md: 1.1rem; --font-lg: 1.3rem;
    --spacing: 8px;
    --plan-time-width: 110px;
}
.size-large {
    --stage-width: 100px; --hour-width: 120px;
    --font-xs: 0.9rem; --font-sm: 1rem; --font-md: 1.25rem; --font-lg: 1.5rem;
    --spacing: 12px;
    --plan-time-width: 135px;
}
.size-xlarge {
    --stage-width: 120px; --hour-width: 150px;
    --font-xs: 1rem; --font-sm: 1.15rem; --font-md: 1.4rem; --font-lg: 1.7rem;
    --spacing: 16px;
    --plan-time-width: 160px;
}

/* App Header */
.app-header {
    display: flex; align-items: center; justify-content: space-between;
    background: #E53935; color: white; padding: 8px 12px; height: 50px;
    position: sticky; top: 0; z-index: 2000;
}
.icon-btn { background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; padding: 4px 8px; display: flex; align-items: center; justify-content: center; }
#header-title { font-size: var(--font-md); margin: 0; font-weight: bold; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Disclaimer Banner */
.disclaimer-banner {
    display: flex; align-items: center; justify-content: space-between;
    background: #fffbeb; color: #92400e; padding: 8px 12px; border-bottom: 1px solid #fcd34d; gap: 12px; font-size: var(--font-xs);
}
.disclaimer-banner p { margin: 0; line-height: 1.3; }
.btn-accept-disclaimer {
    background: #d97706; color: white; border: none; padding: 6px 12px; border-radius: 4px; font-weight: bold; cursor: pointer; white-space: nowrap; font-size: var(--font-xs);
}
@media (hover: hover) { .btn-accept-disclaimer:hover { background: #b45309; } }

/* Home Controls & Toggle */
.home-controls {
    display: flex; align-items: center; justify-content: flex-end; gap: 12px; margin-bottom: 16px;
}
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; transition: .3s; border-radius: 24px; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background-color: white; transition: .3s; border-radius: 50%; }
input:checked + .slider { background-color: #E53935; }
input:checked + .slider:before { transform: translateX(20px); }

/* Home */
.fest-card { border: 1px solid var(--border-color); padding: 1rem; border-radius: 8px; margin-bottom: 1rem; cursor: pointer; background: var(--bg-alt); transition: opacity 0.2s; }
.fest-card.past-event { opacity: 0.55; filter: grayscale(80%); background-color: #f9fafb; }
.fest-card.fest-card-soon { background-color: #dcfce7; border-color: #bbf7d0; }
.fest-card.fest-card-future { background-color: #fef9c3; border-color: #fef08a; }
@media (hover: hover) { .fest-card:hover { border-color: #888; } }

.fest-card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; margin-bottom: 4px; }
.fest-card-header h3 { margin: 0; font-size: 1.1rem; }
.fest-status { font-size: 0.7rem; font-weight: bold; padding: 4px 8px; border-radius: 12px; white-space: nowrap; }
.status-past { background: #e5e7eb; color: #4b5563; }
.status-ongoing { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.status-future { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

.fest-dates { font-size: var(--font-xs); color: #666; margin-bottom: 8px; }

/* Tabs */
.day-tabs { display: flex; background: #000; overflow-x: auto; }
.day-tab { 
    flex: 1; min-width: 80px; text-align: center; color: rgba(255,255,255,0.7); background: transparent; 
    border: none; padding: 12px 8px; cursor: pointer; font-size: var(--font-sm); font-weight: bold;
    text-transform: capitalize; transition: background-color 0.2s, color 0.2s;
}
.day-tab.active { background: var(--bg-color); color: var(--text-color); }
.day-tab.is-today { color: #ffd700; }
.day-tab.is-today.active { color: #b8860b; }

/* Timetable */
.timetable-container {
    overflow-x: auto; background: var(--bg-alt); border-bottom: 2px solid var(--border-color);
}
.tt-header-row, .tt-row { display: flex; width: max-content; border-bottom: 1px solid var(--border-color); }
.tt-header-row { background: var(--bg-color); height: 2rem; }
.tt-row { height: 4rem; }
.tt-stage {
    flex: 0 0 var(--stage-width); padding: 0 var(--spacing); border-right: 1px solid var(--border-color);
    white-space: pre-wrap; word-break: break-word; font-weight: bold; font-size: var(--font-xs);
    display: flex; align-items: center; justify-content: flex-start; line-height: 1.1;
}
.tt-stage.sticky { position: sticky; left: 0; z-index: 10; background: var(--bg-alt); box-shadow: 2px 0 4px rgba(0,0,0,0.05); }
.tt-header-row .tt-stage.sticky { z-index: 12; background: var(--bg-color); }

.tt-tracks {
    position: relative; width: calc(var(--total-hours) * var(--hour-width)); flex-shrink: 0;
    background-image: repeating-linear-gradient(to right, transparent, transparent calc(var(--hour-width) - 1px), rgba(0,0,0,0.05) calc(var(--hour-width) - 1px), rgba(0,0,0,0.05) var(--hour-width));
}
.tt-hour { 
    position: absolute; top: 0; height: 100%; padding-left: 4px; 
    font-size: var(--font-xs); color: #666; font-weight: bold;
    display: flex; align-items: center; line-height: 1.1;
}

/* Current Time Line */
.current-time-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: rgba(239, 68, 68, 0.8);
    z-index: 10;
    pointer-events: none;
    transition: left 1s linear; /* Smoothly slide line during updates */
}
.tt-header-row .current-time-line {
    background-color: transparent; /* Hide line inside the header */
}
.tt-header-row .current-time-line::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1px;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid rgba(239, 68, 68, 1); /* Only triangle points downward */
}

/* Timetable Shows */
.tt-show-wrapper {
    position: absolute; 
    left: calc((var(--start-mins) - var(--min-mins)) / 60 * var(--hour-width));
    width: calc(var(--duration-mins) / 60 * var(--hour-width)); 
    height: calc(100% - 4px);
    top: 2px;
    cursor: pointer;
    z-index: 2;
    background: var(--show-bg); 
    border: 1px solid var(--show-border); 
    border-radius: 4px;
    box-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}
.tt-show-wrapper.status-a { background: var(--show-attend-bg); border-color: var(--show-attend-border); color: var(--plan-attend-color); }
.tt-show-wrapper.status-m { background: var(--show-maybe-bg); border-color: var(--show-maybe-border); color: var(--plan-maybe-color); }
@media (hover: hover) { .tt-show-wrapper:hover { z-index: 5; } }

.tt-show-content {
    position: absolute;
    top: 0; left: 0;
    width: calc(var(--avail-mins) / 60 * var(--hour-width) - 4px);
    padding: 2px 4px; 
    font-size: var(--font-xs); 
    line-height: 1.1; 
    display: -webkit-box; 
    -webkit-line-clamp: 3; 
    -webkit-box-orient: vertical; 
    overflow: hidden;
    white-space: normal;
    pointer-events: none;
    text-shadow: 
        1px 1px 0 var(--bg-alt),
        -1px -1px 0 var(--bg-alt),
        1px -1px 0 var(--bg-alt),
        -1px 1px 0 var(--bg-alt),
        0px 1px 0 var(--bg-alt),
        0px -1px 0 var(--bg-alt),
        1px 0px 0 var(--bg-alt),
        -1px 0px 0 var(--bg-alt);
}
.tt-subtitle { font-weight: normal; }

/* Friend Dots */
.friend-dot {
    position: absolute;
    left: -4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transform: translateY(-50%);
    z-index: 4;
    pointer-events: none;
    box-sizing: border-box;
    box-shadow: 0 0 2px rgba(0,0,0,0.2);
}

/* Compare Legend */
.compare-legend {
    display: none; /* toggled via JS */
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 12px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}
.legend-badge {
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: var(--font-xs);
    font-weight: bold;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

/* Planning */
.planning-header { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    background: var(--bg-alt); 
    border-bottom: 1px solid var(--border-color);
    padding: 8px 12px;
    min-height: 3.5rem;
}
.user-select {
    flex: 1;
    min-width: 0;
    margin-right: 12px;
    padding: 8px 30px 8px 12px;
    font-size: var(--font-sm);
    font-weight: bold;
    border: 1px solid #bfdbfe;
    border-radius: 6px;
    background: #eff6ff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%231e40af'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E") no-repeat right 8px center / 16px;
    -webkit-appearance: none;
    appearance: none;
    color: #1e40af;
    cursor: pointer;
    outline: none;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
.planning-actions {
    display: flex;
    align-items: center;
    position: relative;
}
.btn-plan-action {
    height: 32px;
    padding: 0 16px;
    border: none;
    border-radius: 6px;
    background: #3b82f6;
    cursor: pointer;
    font-size: var(--font-sm);
    font-weight: bold;
    color: white;
    text-transform: uppercase;
}
.btn-plan-action:hover {
    background: #2563eb;
}

#actions-menu-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 90;
}
#actions-menu-overlay.hidden { display: none; }

.actions-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-radius: 4px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    min-width: 220px;
}
.actions-menu.hidden { display: none; }
.actions-menu button {
    padding: 12px 16px;
    text-align: left;
    background: none;
    border: none;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    font-size: var(--font-sm);
    font-weight: bold;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 12px;
}
.actions-menu button:last-child { border-bottom: none; }
@media (hover: hover) { .actions-menu button:hover { background: var(--bg-color); } }

.plan-item { display: flex; padding: calc(var(--spacing)*2); border-bottom: 1px solid var(--border-color); cursor: pointer; background: var(--bg-alt); transition: background-color 0.1s; }
@media (hover: hover) { 
    .plan-item:hover { background: var(--bg-color); } 
    .plan-item.plan-attend:hover { background-color: #bbf7d0; }
    .plan-item.plan-maybe:hover { background-color: #fef08a; }
}

.plan-time { flex: 0 0 var(--plan-time-width, 100px); padding-right: 8px; font-size: var(--font-sm); font-weight: bold; }
.plan-stage { font-size: var(--font-xs); font-weight: normal; margin-top: 4px; opacity: 0.8; line-height: 1.2; }

/* Plan tags */
.plan-tags {
    margin-top: 6px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.plan-tag-badge {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
    padding: 2px 4px;
    border-radius: 4px;
    font-size: calc(var(--font-xs) * 0.85);
    font-weight: bold;
    line-height: 1.1;
    text-align: center;
}

.plan-info { flex: 1; }
.plan-title { font-size: var(--font-sm); font-weight: bold; }
.plan-subtitle { font-size: var(--font-xs); font-weight: 600; color: #444; margin-top: 2px; }
.plan-desc { font-size: var(--font-xs); color: #666; margin-top: 4px; }
.plan-empty { padding: calc(var(--spacing)*2); font-size: var(--font-sm); color: #ea580c; font-weight: bold; text-align: center; }

.plan-attend { background-color: #dcfce7; }
.plan-attend .plan-title, .plan-attend .plan-time { color: var(--plan-attend-color); }
.plan-attend .plan-subtitle { color: var(--plan-attend-color); opacity: 0.9; }

.plan-maybe { background-color: #fef9c3; }
.plan-maybe .plan-title, .plan-maybe .plan-time { color: var(--plan-maybe-color); }
.plan-maybe .plan-subtitle { color: var(--plan-maybe-color); opacity: 0.9; }

.plan-gap {
    font-size: var(--font-xs);
    text-align: center;
    padding: 4px;
    background: var(--bg-color);
    color: #666;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}
.plan-gap.gap-overlap {
    color: #dc2626; /* red */
    background: #fef2f2;
}
.plan-gap.gap-warning {
    color: #ea580c; /* orange */
}

.time-strike {
    text-decoration: line-through;
    opacity: 0.6;
}

.plan-attend .plan-time .time-red,
.plan-maybe .plan-time .time-red {
    color: #dc2626 !important;
}

/* Share Footer */
.share-footer {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 1.5rem;
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
    background: var(--bg-alt);
    border-top: 1px solid var(--border-color);
    margin-bottom: 0;
}
.btn-share {
    flex: 1;
    padding: 14px;
    border: 1px solid #2563eb;
    border-radius: 6px;
    background: #3b82f6; /* Blue background */
    font-size: var(--font-sm);
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
@media (hover: hover) { .btn-share:hover { background: #2563eb; } }

@media (min-width: 500px) {
    .share-footer {
        flex-direction: row;
    }
}

/* Dialogs */
.dialog-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 9999; padding: 1rem; }
.dialog-content { background: var(--bg-alt); padding: 1.5rem; border-radius: 8px; width: 100%; max-width: 600px; box-shadow: 0 4px 12px rgba(0,0,0,0.2); max-height: 90vh; overflow-y: auto; }
.dialog-subtitle { font-weight: 600; font-size: var(--font-sm); margin-bottom: 8px; color: #444; }
.dialog-meta { font-size: var(--font-xs); color: #666; font-weight: bold; margin-bottom: 4px; }
.dialog-tags { margin-bottom: 12px; }
.dialog-tag-badge {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: var(--font-xs);
    font-weight: bold;
    margin-right: 6px;
    margin-bottom: 6px;
}
.dialog-desc { font-size: var(--font-sm); margin-bottom: 20px; line-height: 1.4; white-space: pre-wrap; }
.dialog-radio-btns { display: flex; gap: 8px; margin-bottom: 16px; }
.dialog-radio-btns button { flex: 1; padding: 10px 0; border: 1px solid var(--border-color); background: var(--bg-color); cursor: pointer; border-radius: 4px; font-weight: bold; font-size: var(--font-sm); transition: 0.1s; }
.dialog-radio-btns .btn-att.active { background: var(--show-attend-bg); border-color: var(--show-attend-border); color: var(--plan-attend-color); }
.dialog-radio-btns .btn-may.active { background: var(--show-maybe-bg); border-color: var(--show-maybe-border); color: var(--plan-maybe-color); }
.dialog-radio-btns .btn-nog.active { background: #fee2e2; border-color: #ef4444; color: #991b1b; }
.dialog-btn-close-wide { width: 100%; padding: 12px; border: none; background: #e5e7eb; border-radius: 4px; font-weight: bold; cursor: pointer; font-size: var(--font-sm); }
.dialog-nav-btn { width: 48px; padding: 0; border: none; background: #3b82f6; border-radius: 4px; cursor: pointer; display: flex; align-items: center; justify-content: center; color: white; }
.dialog-nav-btn.disabled { opacity: 0.4; cursor: default; }
@media (hover: hover) { .dialog-nav-btn:not(.disabled):hover { background: #2563eb; } }
.dialog-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 1rem; }
.dialog-btn { padding: 8px 16px; border: none; border-radius: 4px; cursor: pointer; font-weight: bold; font-size: var(--font-sm); }
.confirm-btn { background: #3b82f6; color: white; }
.cancel-btn { background: #e5e7eb; }

/* Compare Color Picker */
.compare-color-row { display: flex; gap: 4px; align-items: center; }
.compare-color-btn {
    width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
    border: 2px solid transparent; border-radius: 4px; cursor: pointer;
}
.compare-color-btn.selected { border-color: #3b82f6; background: #eff6ff; }
.compare-color-btn.disabled { opacity: 0.2; cursor: not-allowed; }
.color-circle { width: 20px; height: 20px; border-radius: 50%; }
.clear-color-icon { font-size: 18px; color: #999; line-height: 1; font-weight: bold; }

/* Side Menu */
#side-menu-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 10000; background: rgba(0,0,0,0.2); }
#side-menu-overlay.hidden { display: none; }
.side-menu-content { 
    position: absolute; top: 50px; right: 10px; background: var(--bg-alt); border: 1px solid var(--border-color); 
    border-radius: 4px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); display: flex; flex-direction: column; 
    min-width: 220px; padding: 0; overflow: hidden; 
}
.side-menu-content .lang-header { padding: 12px 16px 4px 16px; font-weight: bold; font-size: var(--font-sm); color: #666; }
.side-menu-content button { 
    padding: 12px 16px; text-align: left; background: none; border: none; cursor: pointer; 
    font-size: var(--font-sm); display: flex; align-items: center; gap: 12px; font-weight: bold; 
    border-bottom: 1px solid var(--border-color); color: var(--text-color); border-radius: 0;
}
.side-menu-content button:last-child { border-bottom: none; }
@media (hover: hover) { .side-menu-content button:hover { background: var(--bg-color); } }

/* Update Modal Styles */
.update-modal {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0, 0, 0, 0.75); display: flex; justify-content: center; align-items: center; z-index: 10000; padding: 1rem;
}
.update-modal-content {
    background-color: #ffffff; padding: 2.5rem; border-radius: 12px; text-align: center;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2); width: 100%; max-width: 600px; max-height: 90vh; overflow-y: auto; font-family: system-ui, -apple-system, sans-serif;
}
.update-modal-content h2 { margin-top: 0; color: #1f2937; font-size: 1.5rem; }
.update-modal-content p { color: #4b5563; line-height: 1.5; }
.update-modal-content button {
    margin-top: 1rem;
    background-color: #2563eb; color: white; border: none; padding: 0.75rem 2rem;
    font-size: 1.1rem; border-radius: 6px; cursor: pointer; font-weight: 600; transition: background-color: 0.2s;
}
@media (hover: hover) { .update-modal-content button:hover { background-color: #1d4ed8; } }

.update-changes-container {
    margin: 1.5rem 0;
    text-align: left;
    background: transparent;
    border: none;
    padding: 0;
}
.update-changes-title {
    margin-top: 0;
    margin-bottom: 8px;
    font-weight: bold;
    font-size: 0.95rem;
    color: var(--text-color);
}
.update-changes-list {
    max-height: 150px;
    overflow-y: auto;
    margin: 0;
    padding-left: 1rem;
    font-size: 0.85rem;
    color: var(--text-color);
}
.update-changes-list li {
    margin-bottom: 6px;
}

/* QR Code Container */
#share-qr-container { display: flex; justify-content: center; margin: 16px 0; }
#share-qr-container canvas { width: 100%; max-width: 250px; height: auto; border-radius: 8px; }