/* Base Design System */
:root {
    --bg-color: #0d0e12;
    --card-bg: rgba(255, 255, 255, 0.05);
    --accent-color: #ff4757;
    --text-primary: #f1f2f6;
    --text-secondary: #a4b0be;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(8px);
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --session-color: #54a0ff;
    /* Blue */
    --tiktalk-color: #6c5ce7;
    /* Dark Purple */
    --long-talk-color: #00b894;
    /* Green */
    --break-color: #8b4513;
    /* Brown */
    --meal-color: #feca57;
    /* Yellow */
    --social-color: #ff9f43;
    /* Orange */
    --workshop-color: #48dbfb;
    /* Cyan */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

.app-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem 2rem;
    position: relative;
}

.sticky-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    transition: box-shadow 0.3s ease;
}

.header-content {
    padding-top: 1rem;
    text-align: center;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, #a4b0be 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.2rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
    transition: color 0.3s ease;
}

header a:hover h1 {
    background: linear-gradient(135deg, #fff 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header a:hover .subtitle {
    color: var(--accent-color);
}

header a {
    text-decoration: none;
}

/* Actions Toolbar */
.actions-toolbar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.actions-toolbar button {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.actions-toolbar button svg {
    opacity: 0.7;
    transition: transform 0.2s ease;
}

.actions-toolbar button:hover svg {
    opacity: 1;
    transform: translateY(-1px);
}

.actions-toolbar button:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.actions-toolbar button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.actions-toolbar .divider {
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 4px;
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

#zoom-slider {
    width: 100px;
    cursor: pointer;
    accent-color: var(--accent-color);
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

#zoom-slider:hover {
    opacity: 1;
}

.editable:hover {
    outline: 1px dashed var(--accent-color);
    outline-offset: 4px;
    cursor: pointer;
    border-radius: 4px;
}

/* Timeline Container */
.timeline-container {
    position: relative;
    padding-left: 100px;
    /* Space for time labels */
}

/* The Vertical Line */
.timeline-axis {
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom,
            rgba(255, 255, 255, 0.05) 0%,
            rgba(255, 255, 255, 0.2) 50%,
            rgba(255, 255, 255, 0.05) 100%);
    z-index: 1;
}

/* Day Section */
.day-section {
    margin-bottom: 4rem;
}

.day-header {
    position: sticky;
    top: 1rem;
    z-index: 10;
    background: rgba(13, 14, 18, 0.8);
    backdrop-filter: blur(8px);
    padding: 0.5rem 0;
    margin-bottom: 2rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--review-color);
    border-bottom: 1px solid var(--border-color);
}

/* Event Card */
.event-card {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    backdrop-filter: var(--glass-blur);
    transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
    cursor: pointer;
    z-index: 2;
}

.event-card:hover {
    transform: translateX(10px);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.event-card.past {
    opacity: 0.5;
    filter: grayscale(0.5);
}

.event-card.current {
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(255, 71, 87, 0.1);
}

.event-time {
    position: absolute;
    left: -85px;
    top: 1.5rem;
    width: 65px;
    text-align: right;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: -0.5px;
}

.event-type-dot {
    position: absolute;
    left: -44px;
    top: 1.8rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: currentColor;
    z-index: 3;
    box-shadow: 0 0 12px currentColor;
    border: 2px solid var(--bg-color);
}

.event-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.event-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Now Indicator Line */
#now-line {
    position: absolute;
    left: -20px;
    right: 0;
    height: 2px;
    background: var(--accent-color);
    z-index: 100;
    pointer-events: none;
    display: none;
    /* Hidden by default if not current day */
    box-shadow: 0 0 10px var(--accent-color);
}

#now-line::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--accent-color);
}

#now-line::after {
    content: 'NOW';
    position: absolute;
    left: -50px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    font-weight: 900;
    color: var(--accent-color);
    background: var(--bg-color);
    padding: 2px 4px;
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(255, 71, 87, 0.3);
}

/* Calendar View Styles */
.calendar-grid {
    position: relative;
    /* Removed hardcoded height to allow it to grow with injected content */
    margin-top: 2rem;
    border-left: 1px solid var(--border-color);
}

.hour-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.05);
    z-index: 1;
}

.calendar-time-marker {
    position: absolute;
    left: -60px;
    top: -10px;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 700;
    z-index: 2;
    pointer-events: none;
}

.calendar-time-marker.clickable {
    pointer-events: auto;
    cursor: pointer;
    transition: color 0.2s ease, transform 0.2s ease;
}

.calendar-time-marker.clickable:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

.original-time {
    position: absolute;
    top: -12px;
    right: 0;
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0.6;
    text-decoration: line-through;
    white-space: nowrap;
}

.calendar-time-marker.end-time {
    color: var(--text-secondary);
    font-weight: 400;
}

.calendar-event {
    position: absolute;
    left: 20px;
    right: 0;
    background: rgba(18, 19, 24, 0.95);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--session-color);
    /* Default */
    border-radius: 4px;
    padding: 4px 10px;
    overflow: hidden;
    z-index: 5;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}

/* Event Color Variants */
.calendar-event.event-talk {
    border-left-color: var(--session-color);
    background: rgba(84, 160, 255, 0.1);
}

.calendar-event.event-long-talk {
    border-left-color: var(--long-talk-color);
    background: rgba(0, 184, 148, 0.15);
}

.calendar-event.event-tiktalk {
    border-left-color: var(--tiktalk-color);
    background: rgba(108, 92, 231, 0.15);
}

.calendar-event.event-break {
    border-left-color: var(--break-color);
    background: rgba(139, 69, 19, 0.15);
}

.calendar-event.event-meal {
    border-left-color: var(--meal-color);
    background: rgba(254, 202, 87, 0.15);
}

.calendar-event.event-social {
    border-left-color: var(--social-color);
    background: rgba(255, 159, 67, 0.1);
}

.calendar-event.event-workshop {
    border-left-color: var(--workshop-color);
    background: rgba(72, 219, 251, 0.15);
}

.calendar-event:hover {
    overflow: visible;
    z-index: 1000 !important;
    background: #1e1f26;
    border-color: var(--accent-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.calendar-event h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calendar-event .event-subtitle {
    opacity: 0.85;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 400;
    margin-top: 2px;
    line-height: 1.1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 1em;
}

.delete-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 20px;
    height: 20px;
    background: rgba(255, 71, 87, 0.8);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.2s ease, background 0.2s ease;
    z-index: 10;
}

.delete-btn:hover {
    background: #ff4757;
}

.calendar-event:hover .delete-btn {
    opacity: 1;
}

.type-selector-container {
    position: absolute;
    top: 5px;
    right: 35px;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 200;
}

.calendar-event:hover .type-selector-container {
    opacity: 1;
}

.custom-type-dropdown {
    position: relative;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    min-width: 100px;
    cursor: pointer;
}

.type-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    font-size: 11px;
    color: var(--text-primary);
}

.type-options {
    position: absolute;
    top: 100%;
    right: 0;
    width: 100%;
    background: #1a1b22;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-top: 4px;
    display: none;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.custom-type-dropdown:hover .type-options {
    display: flex;
}

/* Bridge the gap between trigger and options to maintain hover state */
.custom-type-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 8px;
    background: transparent;
    display: none;
}

.custom-type-dropdown:hover::after {
    display: block;
}

.type-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    font-size: 11px;
    transition: background 0.2s ease;
    color: var(--text-secondary);
}

.type-option:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.type-color-box {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    flex-shrink: 0;
}

#calendar-now-line {
    position: absolute;
    left: -80px;
    right: 0;
    height: 3px;
    background: var(--accent-color);
    z-index: 2;
    pointer-events: none;
    box-shadow: 0 0 20px 2px var(--accent-color);
    /* Stronger glow */
}

#calendar-now-line::before {
    content: attr(data-time);
    position: absolute;
    left: -75px;
    top: -12px;
    background: var(--accent-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 900;
    padding: 2px 6px;
    border-radius: 10px;
}

/* Day Selection for Calendar */
.day-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 0.6rem 0;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
}

.nav-arrow {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.nav-arrow:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    transform: scale(1.1);
}

.nav-arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}

.day-tabs {
    display: flex;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 5px;
    scrollbar-width: none;
}

.day-tab {
    padding: 8px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    white-space: nowrap;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.day-tab.active {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .timeline-container {
        padding-left: 60px;
    }

    .timeline-axis {
        left: 30px;
    }

    .event-time {
        left: -60px;
        width: 45px;
        font-size: 0.75rem;
    }

    .event-type-dot {
        left: -34px;
    }

    #now-line::after {
        display: none;
    }
}