@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: #0f0f1a;
    color: #e0e0e8;
    min-height: 100vh;
}

header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #fff;
    padding: 40px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 60% 40%, rgba(168, 85, 247, 0.12) 0%, transparent 50%),
                radial-gradient(circle at 30% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    animation: shimmer 8s ease-in-out infinite alternate;
}
@keyframes shimmer {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-5%, 5%); }
}
header h1 {
    font-size: 2.4rem;
    font-weight: 700;
    position: relative;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #e0e7ff, #c7d2fe, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.controls {
    max-width: 600px;
    margin: 36px auto 0;
    padding: 0 20px;
    display: flex;
    gap: 12px;
    align-items: flex-end;
}
.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.field label {
    font-size: 0.85rem;
    font-weight: 500;
    color: #94a3b8;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.field input {
    font-family: inherit;
    font-size: 1rem;
    padding: 10px 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    color: #e0e0e8;
    width: 120px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.btn {
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 11px 28px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    letter-spacing: 0.3px;
    transition: all 0.25s ease;
    white-space: nowrap;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.35);
}
.btn:active {
    transform: translateY(0);
}

.gallery {
    max-width: 1200px;
    margin: 36px auto;
    padding: 0 20px 60px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.gallery-item {
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeUp 0.4s ease both;
}
.gallery-item:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.2);
}
.gallery-item img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
    cursor: pointer;
    transition: filter 0.3s ease;
}
.gallery-item:hover img {
    filter: brightness(1.08);
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Loading text */
.loading-text {
    text-align: center;
    color: #64748b;
    font-size: 0.95rem;
    padding: 40px 0;
    display: none;
}
.loading-text.active {
    display: block;
}

/* Empty state */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    color: #475569;
    padding: 60px 20px;
    font-size: 1rem;
}

@media (max-width: 500px) {
    .controls { flex-direction: column; align-items: stretch; }
    .field input { width: 100%; }
    .gallery { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
    .gallery-item img { height: 200px; }
}