/* ============================================
   Video Compressor - Dark Theme
   ============================================ */

:root {
    --bg: #0f0f0f;
    --bg-card: #1a1a2e;
    --bg-card-hover: #1f1f3a;
    --bg-input: #16213e;
    --accent: #e94560;
    --accent-hover: #ff6b81;
    --accent-green: #00d97e;
    --accent-blue: #0fbcf9;
    --text: #eaeaea;
    --text-dim: #8a8a9a;
    --border: #2a2a4a;
    --radius: 12px;
    --shadow: 0 8px 32px rgba(0,0,0,0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background gradient */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(233,69,96,0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(15,188,249,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(0,217,126,0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name {
    color: var(--text-dim);
    font-size: 14px;
}

.btn-logout {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 13px;
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: all 0.2s;
}

.btn-logout:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* Main */
.main {
    flex: 1;
}

/* Footer */
.footer {
    text-align: center;
    padding: 24px 0;
    color: var(--text-dim);
    font-size: 13px;
    border-top: 1px solid var(--border);
    margin-top: 40px;
}

/* ============================================
   Login Page
   ============================================ */

.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px 40px;
    text-align: center;
    box-shadow: var(--shadow);
    max-width: 440px;
    width: 100%;
}

.login-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.login-card h1 {
    font-size: 28px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-desc {
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 32px;
    font-size: 14px;
}

.tg-login-wrap {
    margin-bottom: 32px;
    display: flex;
    justify-content: center;
}

.login-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    text-align: left;
}

.feature {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-input);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-dim);
}

.feature-icon {
    font-size: 18px;
}

/* ============================================
   Upload Area
   ============================================ */

.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 64px 32px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--bg-card);
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.upload-area.dragover {
    transform: scale(1.02);
}

.upload-icon {
    font-size: 56px;
    margin-bottom: 16px;
    opacity: 0.6;
}

.upload-area h2 {
    font-size: 20px;
    margin-bottom: 8px;
}

.upload-area p {
    color: var(--text-dim);
    font-size: 14px;
}

.upload-hint {
    margin-top: 16px !important;
    font-size: 12px !important;
    opacity: 0.5;
}

/* ============================================
   Mode Selection
   ============================================ */

.mode-select {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
}

.mode-select h2 {
    font-size: 16px;
    margin-bottom: 4px;
    word-break: break-all;
}

.mode-select > p {
    color: var(--text-dim);
    font-size: 13px;
    margin-bottom: 24px;
}

.mode-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.mode-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 20px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.mode-btn:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.mode-btn-icon {
    font-size: 28px;
}

.mode-btn-label {
    font-size: 15px;
    font-weight: 600;
}

.mode-btn-desc {
    font-size: 11px;
    color: var(--text-dim);
}

/* ============================================
   Progress
   ============================================ */

.progress-area {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    text-align: center;
}

.progress-area h2 {
    font-size: 18px;
    margin-bottom: 24px;
}

.progress-bar-wrap {
    width: 100%;
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-blue));
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 8px;
}

.progress-status {
    color: var(--text-dim);
    font-size: 13px;
}

/* ============================================
   Result
   ============================================ */

.result-area {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    text-align: center;
}

.result-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.result-area h2 {
    font-size: 22px;
    margin-bottom: 8px;
}

#resultInfo {
    color: var(--text-dim);
    font-size: 14px;
    margin-bottom: 24px;
}

.result-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(233,69,96,0.4);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
}

.btn-secondary:hover {
    background: rgba(15,188,249,0.1);
}

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

.btn-outline:hover {
    color: var(--text);
    border-color: var(--text-dim);
}

.result-tg-status {
    margin-top: 16px;
    font-size: 14px;
    color: var(--accent-green);
}

/* ============================================
   Maintenance Banner
   ============================================ */

.maintenance-banner {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}

.maintenance-icon {
    font-size: 36px;
}

/* ============================================
   Utility
   ============================================ */

.hidden {
    display: none !important;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 480px) {
    .container {
        padding: 12px;
    }

    .login-card {
        padding: 32px 20px;
    }

    .login-features {
        grid-template-columns: 1fr;
    }

    .mode-buttons {
        grid-template-columns: 1fr;
    }

    .result-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}