:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --primary: #8b5cf6;
    --primary-hover: #7c3aed;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
    --success: #10b981;
}

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

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

.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.5;
    animation: float 10s infinite ease-in-out alternate;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(139,92,246,0.4) 0%, rgba(0,0,0,0) 70%);
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(56,189,248,0.3) 0%, rgba(0,0,0,0) 70%);
    animation-delay: -5s;
}

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

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--primary);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3rem;
    width: 100%;
    max-width: 600px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.upload-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.6);
}

.upload-card h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.drop-zone {
    border: 2px dashed var(--border);
    border-radius: 16px;
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    background: rgba(255,255,255,0.02);
}

.drop-zone.dragover {
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
}

.drop-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.drop-zone p {
    font-size: 1.1rem;
    font-weight: 500;
}

.drop-zone span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.btn-browse {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-browse:hover {
    background: var(--primary-hover);
}

.progress-container {
    margin-top: 2rem;
    text-align: left;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.result-container {
    margin-top: 2rem;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.success-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.result-container h3 {
    margin-bottom: 1.5rem;
    color: var(--success);
}

.link-box {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.link-box input {
    flex: 1;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    outline: none;
}

.btn-copy {
    background: rgba(255,255,255,0.1);
    border: 1px solid var(--border);
    color: white;
    padding: 0 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-copy:hover {
    background: rgba(255,255,255,0.2);
}

.btn-copy.copied {
    background: var(--success);
    border-color: var(--success);
}

.view-btn {
    display: inline-block;
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 0.75rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
}

.view-btn:hover {
    background: rgba(139, 92, 246, 0.1);
}

/* Video Viewer Styles */
.viewer-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
}

.video-wrapper {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 1.5rem;
    width: 100%;
    max-width: 1000px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

video {
    width: 100%;
    border-radius: 12px;
    background: #000;
    aspect-ratio: 16/9;
}

.video-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.back-btn {
    color: var(--text-muted);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s;
}

.back-btn:hover {
    color: var(--text-main);
}