@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-color: #ffffff;
    --text-color: #1d1d1f;
    --text-muted: #6e6e73;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --accent-color: #6366f1;
    --accent-secondary: #06b6d4;
    --border-color: rgba(0, 0, 0, 0.06);
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.06), 0 4px 10px -5px rgba(0, 0, 0, 0.04);
    --glass-bg: rgba(255, 255, 255, 0.6);
    --transition: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: #ffffff;
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.06) 0, transparent 50%), 
        radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.06) 0, transparent 50%),
        radial-gradient(at 50% 100%, rgba(6, 182, 212, 0.06) 0, transparent 50%);
    color: var(--text-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -0.06em;
    margin-bottom: 0.75rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 500;
}

.search-container {
    max-width: 800px;
    margin: 0 auto 2rem;
    display: flex;
    gap: 1rem;
    position: relative;
    z-index: 10;
}

.search-container input {
    flex: 1;
    padding: 1.5rem 2rem;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    font-size: 1.1rem;
    font-family: inherit;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    outline: none;
}

.search-container input:focus {
    border-color: var(--accent-color);
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 25px 50px -12px rgba(99, 102, 241, 0.15);
    background: white;
}

/* Dashboard Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
}

.tool-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 36px;
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
}

.tool-card:hover {
    transform: translateY(-12px) scale(1.03);
    border-color: var(--accent-color);
    box-shadow: 0 40px 80px -20px rgba(99, 102, 241, 0.12);
}

.tool-icon {
    font-size: 2.5rem;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 28px;
    background: #f8fafc;
    transition: var(--transition);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.tool-card:hover .tool-icon {
    background: var(--primary-gradient);
    transform: rotate(-10deg);
    color: white;
}

.tool-card h3 {
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: -0.03em;
    color: var(--text-color);
}

.tool-card p {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    line-height: 1.6;
}

/* Tool Buttons & Global Components */
.btn {
    padding: 1.25rem 2.5rem;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 20px;
    font-weight: 800;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.4);
}

.btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 40px -5px rgba(99, 102, 241, 0.5);
}

.btn:active {
    transform: scale(0.98);
}

.btn-blue {
    background: linear-gradient(135deg, #007aff 0%, #00c6ff 100%);
    box-shadow: 0 10px 25px -5px rgba(0, 122, 255, 0.4);
}

/* Tool Page Restored & Balanced */
.tool-page {
    background: white;
    padding: 3rem;
    border-radius: 40px;
    box-shadow: 0 40px 100px -20px rgba(0,0,0,0.08);
    border: 1px solid var(--border-color);
}

.video-info {
    display: flex;
    gap: 3rem;
    align-items: flex-start;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.results-section-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: start;
}

.video-thumb-container {
    flex: 0 0 400px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 50px -10px rgba(0,0,0,0.15);
}

.video-thumb-container img {
    width: 100%;
    height: auto;
    display: block;
}

.video-details h4 {
    font-size: 2rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.04em;
}

.tag {
    background: #f1f5f9;
    padding: 0.5rem 1.25rem;
    border-radius: 14px;
    font-size: 0.95rem;
    font-weight: 700;
    color: #475569;
}

.quality-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    display: inline-block;
}

.quality-premium { 
    background: rgba(255, 255, 255, 0.2); 
    color: white; 
    border: 1px solid rgba(255, 255, 255, 0.3); 
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.quality-hd { 
    background: rgba(255, 255, 255, 0.15); 
    color: white; 
    border: 1px solid rgba(255, 255, 255, 0.2); 
}

.quality-sd { 
    background: rgba(255, 255, 255, 0.1); 
    color: rgba(255, 255, 255, 0.8); 
    border: 1px solid rgba(255, 255, 255, 0.1); 
}

.section-divider {
    margin: 1.5rem 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-divider h3 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-divider .line {
    height: 1px;
    flex: 1;
    background: var(--border-color);
}

.format-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.format-btn {
    padding: 1.25rem;
    background: var(--primary-gradient);
    border: none;
    border-radius: 24px;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
}

.format-btn:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 30px -10px rgba(99, 102, 241, 0.4);
}

.format-btn .res-glow {
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    color: white;
}

.format-btn .file-info {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
}

.download-arrow {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    transition: var(--transition);
}

.format-btn:hover .download-arrow {
    background: white;
    color: var(--accent-color);
    transform: rotate(15deg);
}

/* Modal */
.modal-content {
    border-radius: 48px;
    padding: 4.5rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 1024px) {
    .results-section-wrapper {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .video-info {
        flex-direction: column;
        gap: 2rem;
    }
    .video-thumb-container {
        flex: 0 0 auto;
        width: 100%;
    }
    .tool-page {
        padding: 2rem;
    }
}

footer {
    text-align: center;
    padding: 2rem 0;
    font-weight: 600;
    color: var(--text-muted);
}