/* Design System Tokens */
:root {
    --primary: #00e5ff; /* Cyan coastal blue */
    --secondary: #ff9d00; /* Sunset orange */
    --accent: #2e7d32; /* Tropical green */
    --bg-dark: #09090b; /* Deep night bg */
    --bg-dark-accent: #111114; /* Slightly lighter for contrast */
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-blur: 15px;
    --header-font: 'Outfit', sans-serif;
    --body-font: 'Inter', sans-serif;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

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

#app {
    display: flex;
    min-height: 100vh;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 10px;
}

/* Sidebar Styling */
.sidebar {
    position: fixed;
    width: 240px;
    height: 100vh;
    background: var(--bg-dark-accent);
    border-right: 1px solid var(--card-border);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--primary);
    font-family: var(--header-font);
    font-weight: 800;
    font-size: 1.5rem;
    margin-bottom: 3rem;
    letter-spacing: -0.5px;
}

.nav-links {
    list-style: none;
    flex-grow: 1;
}

.nav-links li {
    padding: 1rem 0;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text-dim);
    transition: var(--transition);
    position: relative;
    display: flex;
    align-items: center;
}

.nav-links li:hover {
    color: var(--text-main);
    padding-left: 10px;
}

.nav-links li.active {
    color: var(--primary);
    font-weight: 600;
}

.nav-links li.active::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    width: 5px;
    height: 25px;
    background: var(--primary);
    border-radius: 0 5px 5px 0;
}

.trip-info {
    border-top: 1px solid var(--card-border);
    padding-top: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
}

/* Main Content Area */
.content {
    margin-left: 240px;
    width: calc(100% - 240px);
    padding: 4rem 10% 8rem 10%;
    background: radial-gradient(circle at 50% 0%, rgba(0, 229, 255, 0.05) 0%, transparent 70%);
}

.header {
    text-align: center;
    margin-bottom: 6rem;
}

.header h1 {
    font-family: var(--header-font);
    font-size: min(10vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.subtitle {
    color: var(--text-dim);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Timeline Components */
.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--secondary), var(--accent));
    opacity: 0.3;
}

.day-header {
    width: 100%;
    text-align: center;
    padding: 2rem 0;
    position: sticky;
    top: 2rem;
    z-index: 10;
    pointer-events: none;
}

.day-header span {
    background: var(--bg-dark);
    padding: 0.6rem 2rem;
    border-radius: 50px;
    border: 1px solid var(--card-border);
    font-family: var(--header-font);
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 3px;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.event-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 4rem;
    position: relative;
}

.event-card.reversed {
    flex-direction: row-reverse;
}

.card-connector {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 14px;
    background: var(--bg-dark);
    border: 3px solid var(--primary);
    border-radius: 50%;
    z-index: 5;
    box-shadow: 0 0 15px var(--primary);
}

.card-details {
    width: 44%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 20px;
    backdrop-filter: blur(var(--card-blur));
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: default;
}

.card-details:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 229, 255, 0.4);
    background: rgba(255, 255, 255, 0.05);
}

.event-image {
    width: 44%;
    aspect-ratio: 16 / 10;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--card-border);
    transition: var(--transition);
}

.event-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.event-card:hover .event-image img {
    transform: scale(1.1);
}

.event-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    padding: 0.3rem 0.8rem;
    background: rgba(0, 229, 255, 0.1);
    width: fit-content;
    border-radius: 50px;
}

.event-activity {
    font-family: var(--header-font);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

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

/* Glass Progress Bar */
.progress-wrap {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    z-index: 2000;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

.footer {
    text-align: center;
    padding: 4rem 0;
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 900px) {
    .sidebar {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: auto;
        flex-direction: row;
        border-right: none;
        border-top: 1px solid var(--card-border);
        padding: 0.5rem 1rem;
        background: rgba(17, 17, 20, 0.95);
        backdrop-filter: blur(10px);
        justify-content: center;
        align-items: center;
    }

    .logo, .trip-info {
        display: none !important;
    }

    .nav-links {
        display: flex;
        width: 100%;
        justify-content: space-around;
        padding-bottom: 0px;
    }

    .nav-links li {
        padding: 0.8rem 0;
    }

    .nav-links li.active::before {
        display: none;
    }
    
    .nav-links li.active {
        border-bottom: 2px solid var(--primary);
    }

    .nav-links li span {
        display: inline !important;
        font-size: 0.8rem;
    }

    .content {
        margin-left: 0;
        width: 100%;
        padding: 3rem 1.5rem 6rem 1.5rem;
    }

    .timeline-line {
        left: 20px;
    }
    .card-connector {
        left: 20px;
    }
    .event-card, .event-card.reversed {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 50px;
        margin-bottom: 3.5rem;
    }
    .card-details, .event-image {
        width: 100%;
    }
    .event-image {
        margin-top: 1.2rem;
        order: -1; /* Image first on mobile? Or details? Let's keep it consistent */
    }
    
    .event-activity {
        font-size: 1.2rem;
    }
    
    .day-header {
        text-align: left;
        padding-left: 40px;
        top: 1rem;
    }
    
    .day-header span {
        font-size: 0.9rem;
        padding: 0.4rem 1.2rem;
    }
}