/* ===== CSS Variables ===== */
:root {
    --color-bg-primary: #0a0e27;
    --color-bg-secondary: #141b3d;
    --color-bg-card: rgba(20, 27, 61, 0.6);
    --color-accent-purple: #8b5cf6;
    --color-accent-blue: #3b82f6;
    --color-accent-pink: #ec4899;
    --color-text-primary: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #94a3b8;
    --color-border: rgba(148, 163, 184, 0.1);

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Hero Banner ===== */
.hero-banner {
    position: relative;
    height: 500px;
    background: linear-gradient(135deg, #0a0e27 0%, #1a0b2e 50%, #16001e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('assets/trendrop_banner.png') center center/cover no-repeat;
    opacity: 0.9;
    z-index: 0;
    animation: bannerPulse 8s ease-in-out infinite;
}

@keyframes bannerPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.hero-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(236, 72, 153, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(59, 130, 246, 0.2) 0%, transparent 50%);
    z-index: 1;
    animation: gradientShift 10s ease-in-out infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 0.8;
    }
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(10, 14, 39, 0.3) 0%, rgba(10, 14, 39, 0.7) 100%);
    z-index: 2;
}

.banner-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: var(--spacing-lg);
    animation: fadeInUp 1s ease;
}

.banner-title {
    font-size: 6rem;
    font-weight: 900;
    background: linear-gradient(135deg, #ff00ff 0%, #00ffff 50%, #ff00ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    text-shadow:
        0 0 30px rgba(255, 0, 255, 0.5),
        0 0 60px rgba(0, 255, 255, 0.3),
        0 4px 20px rgba(139, 92, 246, 0.4);
    letter-spacing: 0.1em;
    animation: neonGlow 2s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(255, 0, 255, 0.6));
}

@keyframes neonGlow {

    0%,
    100% {
        filter: drop-shadow(0 0 20px rgba(255, 0, 255, 0.6)) brightness(1);
    }

    50% {
        filter: drop-shadow(0 0 40px rgba(0, 255, 255, 0.8)) brightness(1.2);
    }
}

.banner-subtitle {
    font-size: 1.5rem;
    color: #ffffff;
    font-weight: 400;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.05em;
}


/* ===== Container ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== Top Section ===== */
.top-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* ===== Widget Styles ===== */
.widget {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.widget:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.widget-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.widget-title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, var(--color-accent-purple), var(--color-accent-blue));
    border-radius: 2px;
}

/* ===== Clock Widget ===== */
.clock-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 250px;
}

/* ===== Calendar Widget ===== */
.calendar-events {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 300px;
    overflow-y: auto;
}

.calendar-events::-webkit-scrollbar {
    width: 6px;
}

.calendar-events::-webkit-scrollbar-track {
    background: rgba(148, 163, 184, 0.1);
    border-radius: 3px;
}

.calendar-events::-webkit-scrollbar-thumb {
    background: var(--color-accent-purple);
    border-radius: 3px;
}

.event-item {
    padding: var(--spacing-sm);
    background: rgba(139, 92, 246, 0.1);
    border-left: 3px solid var(--color-accent-purple);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.event-item:hover {
    background: rgba(139, 92, 246, 0.2);
}

.event-title {
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.event-time {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.loading {
    text-align: center;
    color: var(--color-text-muted);
    padding: var(--spacing-lg);
}

/* ===== Navigation Section ===== */
.nav-section {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Card Grid ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

/* ===== Navigation Cards ===== */
.nav-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent-purple), var(--color-accent-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.nav-card:hover::before {
    transform: scaleX(1);
}

.nav-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.3);
    border-color: rgba(139, 92, 246, 0.5);
}

.nav-card.highlight {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(59, 130, 246, 0.2) 100%);
    border-color: var(--color-accent-purple);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 4px 8px rgba(139, 92, 246, 0.3));
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.card-description {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent-purple);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: gap var(--transition-fast);
}

.card-link:hover {
    gap: 0.75rem;
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .banner-title {
        font-size: 2.5rem;
    }

    .banner-subtitle {
        font-size: 1rem;
    }

    .top-section {
        grid-template-columns: 1fr;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .hero-banner {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .banner-title {
        font-size: 2rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-card {
    animation: fadeIn 0.5s ease backwards;
}

.nav-card:nth-child(1) {
    animation-delay: 0.05s;
}

.nav-card:nth-child(2) {
    animation-delay: 0.1s;
}

.nav-card:nth-child(3) {
    animation-delay: 0.15s;
}

.nav-card:nth-child(4) {
    animation-delay: 0.2s;
}

.nav-card:nth-child(5) {
    animation-delay: 0.25s;
}

.nav-card:nth-child(6) {
    animation-delay: 0.3s;
}

.nav-card:nth-child(7) {
    animation-delay: 0.35s;
}

.nav-card:nth-child(8) {
    animation-delay: 0.4s;
}

.nav-card:nth-child(9) {
    animation-delay: 0.45s;
}

.nav-card:nth-child(10) {
    animation-delay: 0.5s;
}

.nav-card:nth-child(11) {
    animation-delay: 0.55s;
}

.nav-card:nth-child(12) {
    animation-delay: 0.6s;
}

/* ===== Drag and Drop Styles ===== */
.nav-card {
    cursor: grab;
}

.nav-card.dragging {
    opacity: 0.5;
    cursor: grabbing;
    transform: scale(0.95);
}

.nav-card.drag-over {
    border-color: var(--color-accent-purple);
    background: rgba(139, 92, 246, 0.15);
    transform: translateY(-4px);
}

/* ===== Calendar Badge Styles ===== */
.event-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.event-calendar-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calendar-rhxxx {
    background: var(--color-accent-purple);
    color: white;
}

.calendar-ori {
    background: var(--color-accent-blue);
    color: white;
}

.calendar-rk {
    background: var(--color-accent-pink);
    color: white;
}

.calendar-yu {
    background: #10b981;
    color: white;
}

.event-time {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.event-title {
    font-weight: 500;
    color: var(--color-text-primary);
}