/* =============================================
   TranscreVid - Estilos
   ============================================= */

/* ===== VARIÁVEIS ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --surface: #1a1a2e;
    --surface-hover: #222240;
    --border: #2a2a4a;
    --border-hover: #3a3a6a;
    --text-primary: #e8e8f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6a6a80;
    --accent: #6c5ce7;
    --accent-hover: #7d6ff0;
    --accent-glow: rgba(108, 92, 231, 0.3);
    --success: #00b894;
    --error: #e74c3c;
    --warning: #fdcb6e;
    --gradient-1: linear-gradient(135deg, #6c5ce7, #a29bfe);
    --gradient-2: linear-gradient(135deg, #0a0a0f, #1a1a2e);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ===== HEADER ===== */
.header {
    position: fixed; top: 0; left: 0; right: 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 0 24px;
    height: 64px;
}

.header-content {
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex; align-items: center; gap: 12px;
    font-size: 1.4rem; font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo i { font-size: 1.5rem; }

.api-status {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.8rem;
}

.status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: background 0.3s;
}

.status-dot.online { background: var(--success); box-shadow: 0 0 8px rgba(0, 184, 148, 0.5); }
.status-dot.offline { background: var(--error); box-shadow: 0 0 8px rgba(231, 76, 60, 0.5); }

.status-text { color: var(--text-secondary); }

/* ===== HERO ===== */
.hero {
    position: relative;
    padding: 120px 24px 60px;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(108,92,231,0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }

.hero h1 {
    font-size: 2.8rem; font-weight: 800;
    margin-bottom: 16px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.hero-badges {
    display: flex; gap: 12px;
    justify-content: center; flex-wrap: wrap;
}

.badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.badge i { color: var(--accent); }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 24px;
    border: none; border-radius: var(--radius-sm);
    font-family: inherit; font-size: 0.95rem; font-weight: 600;
    cursor: pointer; transition: all 0.2s;
    text-decoration: none;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: var(--gradient-1); color: #fff;
    box-shadow: 0 4px 15px var(--accent-glow);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 6px 20px var(--accent-glow); }

.btn-secondary { background: var(--surface); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--surface-hover); border-color: var(--border-hover); }

.btn-outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-outline:hover:not(:disabled) { background: rgba(108, 92, 231, 0.1); }

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

/* ===== CONTAINER / SECTIONS ===== */
.container { max-width: 900px; margin: 0 auto; padding: 0 24px; }

.section-title {
    text-align: center; font-size: 1.8rem; font-weight: 700;
    margin-bottom: 40px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== UPLOAD AREA ===== */
.upload-area {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 48px 24px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    min-height: 200px;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--accent);
    background: rgba(108, 92, 231, 0.05);
    box-shadow: 0 0 30px var(--accent-glow);
}

.upload-icon { font-size: 3rem; color: var(--accent); margin-bottom: 16px; }

.upload-area h3 {
    font-size: 1.2rem; font-weight: 600;
    color: var(--text-primary); margin-bottom: 8px;
}

.upload-area p { color: var(--text-secondary); font-size: 0.9rem; }

.upload-formats {
    margin-top: 12px; font-size: 0.8rem; color: var(--text-muted);
}

/* ===== FILE INFO ===== */
.file-info {
    display: none; align-items: center; gap: 16px;
    padding: 16px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.file-icon { font-size: 2rem; color: var(--accent); }
.file-details { flex: 1; }
.file-name { font-weight: 600; font-size: 0.95rem; word-break: break-all; }
.file-size { color: var(--text-secondary); font-size: 0.85rem; }
.remove-file { background: none; border: none; color: var(--error); cursor: pointer; font-size: 1.2rem; padding: 4px; }

/* ===== OPTIONS PANEL ===== */
.options-panel {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    padding: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.option-group label {
    display: block;
    font-size: 0.85rem; font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.format-toggle {
    display: flex; gap: 4px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 4px;
}

.toggle-btn {
    flex: 1; padding: 8px 12px;
    background: none; border: none;
    color: var(--text-secondary);
    font-family: inherit; font-size: 0.85rem; font-weight: 500;
    cursor: pointer; border-radius: 6px;
    transition: all 0.2s;
}

.toggle-btn.active {
    background: var(--accent); color: #fff;
}

select {
    width: 100%; padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit; font-size: 0.9rem;
    cursor: pointer; outline: none;
    transition: border-color 0.2s;
    -webkit-appearance: none;
    appearance: none;
}

select:focus { border-color: var(--accent); }

/* ===== PROGRESS ===== */
.progress-panel {
    display: none;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.progress-bar {
    width: 100%; height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-fill {
    height: 100%; width: 0%;
    background: var(--gradient-1);
    border-radius: 3px;
    transition: width 0.3s;
}

.progress-info {
    display: flex; justify-content: space-between;
    font-size: 0.85rem; color: var(--text-secondary);
}

/* ===== QUEUE PANEL ===== */
.queue-panel {
    display: none;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}

.queue-header {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px;
    margin-bottom: 20px;
}

.queue-header h3 {
    font-size: 1.1rem; font-weight: 700;
    color: var(--text-primary);
}

.queue-counters {
    display: flex; gap: 16px;
    font-size: 0.85rem; color: var(--text-secondary);
}

.queue-counters span { display: flex; align-items: center; gap: 4px; }
.queue-counters .count-total { color: var(--accent); font-weight: 700; }
.queue-counters .count-done { color: var(--success); font-weight: 700; }
.queue-counters .count-err { color: var(--error); font-weight: 700; }

.queue-actions {
    display: flex; gap: 8px; flex-wrap: wrap;
}

.queue-list {
    display: flex; flex-direction: column; gap: 8px;
    max-height: 400px; overflow-y: auto;
    padding-right: 4px;
}

/* ===== QUEUE ITEM ===== */
.queue-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}

.queue-item:hover { border-color: var(--border-hover); }

.queue-item.processing { border-color: var(--accent); }
.queue-item.completed { border-color: var(--success); }
.queue-item.error { border-color: var(--error); }

.queue-item-info {
    display: flex; align-items: center; gap: 12px;
    flex: 1; min-width: 0;
}

.queue-item-icon { font-size: 1.1rem; flex-shrink: 0; }
.queue-item.waiting .queue-item-icon { color: var(--text-muted); }
.queue-item.processing .queue-item-icon { color: var(--accent); }
.queue-item.completed .queue-item-icon { color: var(--success); }
.queue-item.error .queue-item-icon { color: var(--error); }

.queue-item-details { min-width: 0; flex: 1; }

.queue-item-name {
    font-size: 0.9rem; font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.queue-item-meta {
    font-size: 0.8rem; color: var(--text-secondary);
    margin-top: 2px;
}

.queue-item-actions { display: flex; gap: 6px; flex-shrink: 0; }

.queue-action-btn {
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.queue-action-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(108, 92, 231, 0.1);
}

.queue-action-btn.remove-btn:hover {
    border-color: var(--error);
    color: var(--error);
    background: rgba(231, 76, 60, 0.1);
}

.queue-item-progress {
    position: absolute; bottom: 0; left: 0; right: 0;
    height: 3px;
    background: var(--bg-primary);
}

.queue-item-progress-fill {
    height: 100%; width: 0%;
    background: var(--gradient-1);
    transition: width 0.3s;
}

/* ===== RESULT VIEWER ===== */
.result-viewer {
    display: none;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}

.result-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.result-header h3 {
    font-size: 1.1rem; font-weight: 700;
    color: var(--text-primary);
    word-break: break-all;
    flex: 1;
}

.result-meta {
    display: flex; gap: 16px; flex-wrap: wrap;
    margin-bottom: 16px;
    font-size: 0.85rem; color: var(--text-secondary);
}

.result-meta span { display: flex; align-items: center; gap: 6px; }
.result-meta i { color: var(--accent); }

.result-text {
    width: 100%;
    min-height: 200px; max-height: 500px;
    padding: 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Inter', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-y: auto;
    margin-bottom: 20px;
}

.result-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.stat-item {
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-align: center;
}

.stat-value {
    font-size: 1.1rem; font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-actions {
    display: flex; gap: 8px; flex-wrap: wrap;
}

/* ===== STEPS (COMO FUNCIONA) ===== */
.steps-section {
    padding: 60px 24px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.step-card {
    position: relative;
    padding: 32px 20px 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.3s;
}

.step-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.step-number {
    position: absolute;
    top: -14px; left: 50%;
    transform: translateX(-50%);
    width: 28px; height: 28px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; font-weight: 700;
    color: #fff;
}

.step-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 16px;
}

.step-card h3 {
    font-size: 1rem; font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.step-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== FOOTER ===== */
.footer {
    text-align: center;
    padding: 32px 24px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer a { color: var(--accent); }

/* ===== TOAST ===== */
.toast-container {
    position: fixed; bottom: 24px; right: 24px;
    z-index: 9999;
    display: flex; flex-direction: column; gap: 8px;
}

.toast {
    padding: 12px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    transform: translateX(120%);
    transition: transform 0.3s ease;
    max-width: 350px;
}

.toast.show { transform: translateX(0); }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .hero { padding: 100px 16px 40px; }

    .options-panel { grid-template-columns: 1fr; }

    .result-stats { grid-template-columns: repeat(2, 1fr); }

    .steps-grid { grid-template-columns: repeat(2, 1fr); }

    .queue-header { flex-direction: column; align-items: flex-start; }
    .queue-actions { width: 100%; }
    .queue-actions .btn { flex: 1; }

    .queue-item { flex-direction: column; align-items: flex-start; gap: 8px; }
    .queue-item-actions { width: 100%; justify-content: flex-end; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.6rem; }
    .header { padding: 0 12px; }
    .logo { font-size: 1.1rem; }

    .steps-grid { grid-template-columns: 1fr; }

    .result-stats { grid-template-columns: 1fr; }

    .queue-counters { flex-wrap: wrap; gap: 8px; }
}