:root {
    --bg: #0a0a0c;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --accent: #ffffff;
    --accent-dim: #888888;
    --glass: rgba(10, 10, 12, 0.7);
    --font-main: 'Inter', sans-serif;
}

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

.snap-btn {
    background: white;
    color: black;
    border: none;
    padding: 12px 24px;
    border-radius: 100px;
    font-weight: 800;
    font-size: 0.7rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s;
}

.snap-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
}

.camera-flash {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
}

@keyframes flash-anim {
    0% { opacity: 0; }
    10% { opacity: 0.8; }
    100% { opacity: 0; }
}

.flash-active {
    animation: flash-anim 0.4s ease-out;
}

body {
    background-color: var(--bg);
    color: var(--accent);
    font-family: var(--font-main);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Background Ambient Glow */
body::before {
    content: '';
    position: fixed;
    top: -10%;
    left: -10%;
    width: 40%;
    height: 40%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    z-index: -1;
}

nav {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 40px;
    position: sticky;
    top: 0;
    background: var(--glass);
    backdrop-filter: blur(20px);
    z-index: 100;
    border-bottom: 1px solid var(--card-border);
}

.search-container {
    width: 100%;
    max-width: 800px;
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-input {
    flex: 1;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 14px 24px;
    border-radius: 100px;
    color: white;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
}

.search-input:focus {
    border-color: rgba(255, 255, 255, 0.3);
}

.drop-zone {
    flex: 1;
    background: var(--card-bg);
    border: 1px dashed var(--card-border);
    padding: 14px 24px;
    border-radius: 100px;
    color: var(--accent-dim);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.drop-zone:hover {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

main {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 40px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.vault-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    cursor: pointer;
}

.vault-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.vault-card.tall .card-preview {
    height: 480px;
}

.card-preview {
    width: 100%;
    height: 200px;
    background: #111;
    background-size: cover;
    background-position: center;
    position: relative;
}

.card-preview::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, var(--bg), transparent);
}

.card-content {
    padding: 24px;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.site-icon {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    background: #222;
}

.site-name {
    font-size: 0.75rem;
    color: var(--accent-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 12px;
    color: #fff;
}

.card-summary {
    font-size: 0.9rem;
    color: var(--accent-dim);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-tags {
    margin-top: 20px;
    display: flex;
    gap: 8px;
}

.tag {
    font-size: 0.7rem;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    color: var(--accent-dim);
}

.empty-state {
    text-align: center;
    padding: 100px 0;
    color: var(--accent-dim);
}