:root {
    --bg-color: #f8fafc;
    --panel-bg: rgba(255, 255, 255, 0.7);
    --panel-border: rgba(0, 0, 0, 0.1);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent-color: #2563eb;
    --accent-hover: #1d4ed8;
    --card-bg: rgba(255, 255, 255, 0.5);
    --card-hover: rgba(255, 255, 255, 0.9);
    --success: #10b981;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* Background Blobs for Glassmorphism */
.blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.5;
    animation: float 10s infinite ease-in-out alternate;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(59,130,246,0.4) 0%, rgba(15,23,42,0) 70%);
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(139,92,246,0.3) 0%, rgba(15,23,42,0) 70%);
    animation-delay: -5s;
}

.blob-3 {
    top: 40%;
    left: 40%;
    width: 30vw;
    height: 30vw;
    background: radial-gradient(circle, rgba(16,185,129,0.2) 0%, rgba(15,23,42,0) 70%);
    animation-duration: 15s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 50px) scale(1.1); }
}

/* Header */
.header {
    margin-bottom: 3rem;
    text-align: left;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.badge {
    font-size: 0.9rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-weight: 500;
}

.header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Layout */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Glass Panel */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    border-radius: 1rem;
    padding: 1.5rem;
}

/* Filters */
.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 1rem;
}

.filters-header h2 {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.filter-group {
    margin-bottom: 0;
}

.filter-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

select, input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--panel-border);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

select:focus, input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

select option {
    background-color: var(--bg-color);
    color: var(--text-primary);
}

.stats {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stats span {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.2rem;
}

/* Results Section */
.results-header {
    margin-bottom: 1.5rem;
}

.results-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--panel-border);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #3b82f6, #8b5cf6);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    background: var(--card-hover);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
    border-color: rgba(255,255,255,0.2);
}

.card:hover::before {
    opacity: 1;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.card-class {
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    background: rgba(255,255,255,0.1);
    color: var(--text-secondary);
}

.card-year {
    font-weight: 600;
    color: var(--accent-color);
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    flex-grow: 1;
}

.card-stream {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    font-family: inherit;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: none;
    width: 100%;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--panel-border);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.05);
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--card-bg);
    border-radius: 1rem;
    border: 1px dashed var(--panel-border);
    grid-column: 1 / -1;
}

.empty-state svg {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.empty-state .btn {
    width: auto;
}

/* Responsive */
@media (max-width: 900px) {
    .top-filters {
        position: sticky;
        top: 1rem;
        z-index: 10;
    }
}

@media (max-width: 600px) {
    .header h1 {
        font-size: 2rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}