/* =====================================================
   COMPRESSOR DE VÍDEO MP4 — Estils principals
   ===================================================== */

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

/* Variables */
.cv-wrapper {
    --cv-bg:           #0f1117;
    --cv-surface:      #1a1d27;
    --cv-surface2:     #21253a;
    --cv-border:       #2e3350;
    --cv-accent:       #6c63ff;
    --cv-accent-glow:  rgba(108,99,255,0.3);
    --cv-accent2:      #ff6584;
    --cv-success:      #22c55e;
    --cv-error:        #ef4444;
    --cv-text:         #e2e8f0;
    --cv-text-muted:   #8892a4;
    --cv-radius:       14px;
    --cv-radius-sm:    8px;
    --cv-shadow:       0 8px 32px rgba(0,0,0,0.4);
    --cv-transition:   0.25s ease;

    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--cv-bg);
    color: var(--cv-text);
    padding: 2rem 1.5rem;
    max-width: 860px;
    margin: 0 auto;
    border-radius: 20px;
    box-shadow: var(--cv-shadow), 0 0 0 1px var(--cv-border);
    position: relative;
    overflow: hidden;
}

/* Decoració de fons */
.cv-wrapper::before {
    content: '';
    position: absolute;
    top: -120px; left: -120px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(108,99,255,0.12) 0%, transparent 70%);
    pointer-events: none;
    border-radius: 50%;
}
.cv-wrapper::after {
    content: '';
    position: absolute;
    bottom: -100px; right: -100px;
    width: 350px; height: 350px;
    background: radial-gradient(circle, rgba(255,101,132,0.08) 0%, transparent 70%);
    pointer-events: none;
    border-radius: 50%;
}

/* Utilitat */
.cv-hidden { display: none !important; }

/* ─── Zona de càrrega ─── */
.cv-upload-zone {
    border: 2px dashed var(--cv-border);
    border-radius: var(--cv-radius);
    padding: 3rem 2rem;
    text-align: center;
    transition: border-color var(--cv-transition), background var(--cv-transition);
    cursor: pointer;
    position: relative;
    background: rgba(255,255,255,0.02);
}
.cv-upload-zone:hover,
.cv-upload-zone.cv-drag-over {
    border-color: var(--cv-accent);
    background: rgba(108,99,255,0.06);
}
.cv-upload-icon {
    width: 72px; height: 72px;
    margin: 0 auto 1.5rem;
    color: var(--cv-accent);
    opacity: 0.85;
}
.cv-upload-icon svg { width: 100%; height: 100%; }

.cv-upload-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    background: linear-gradient(135deg, #fff 30%, var(--cv-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.cv-upload-subtitle {
    color: var(--cv-text-muted);
    margin: 0 0 2rem;
    font-size: 0.95rem;
}
.cv-hidden-input {
    position: absolute; opacity: 0; pointer-events: none;
    width: 1px; height: 1px;
}
.cv-formats {
    margin-top: 1rem;
    font-size: 0.78rem;
    color: var(--cv-text-muted);
    letter-spacing: 0.02em;
}

/* ─── Botons ─── */
.cv-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--cv-radius-sm);
    border: none;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--cv-transition);
    text-decoration: none;
    white-space: nowrap;
}
.cv-btn-primary {
    background: linear-gradient(135deg, var(--cv-accent), #8b5cf6);
    color: #fff;
    box-shadow: 0 4px 16px var(--cv-accent-glow);
}
.cv-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--cv-accent-glow);
}
.cv-btn-compress {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: #fff;
    font-size: 1.05rem;
    padding: 0.9rem 2.5rem;
    box-shadow: 0 4px 20px rgba(34,197,94,0.3);
}
.cv-btn-compress:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(34,197,94,0.45);
}
.cv-btn-secondary {
    background: var(--cv-surface2);
    color: var(--cv-text-muted);
    border: 1px solid var(--cv-border);
}
.cv-btn-secondary:hover {
    color: var(--cv-text);
    border-color: var(--cv-accent);
    background: rgba(108,99,255,0.1);
}
.cv-btn-download {
    background: linear-gradient(135deg, var(--cv-accent), var(--cv-accent2));
    color: #fff;
    font-size: 1.05rem;
    padding: 0.9rem 2.5rem;
    box-shadow: 0 4px 20px var(--cv-accent-glow);
}
.cv-btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px var(--cv-accent-glow);
}

/* ─── Informació del fitxer ─── */
.cv-file-info {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    background: var(--cv-surface);
    border-radius: var(--cv-radius);
    padding: 1.25rem;
    border: 1px solid var(--cv-border);
}
@media (max-width: 600px) {
    .cv-file-info { grid-template-columns: 1fr; }
}

.cv-file-preview video {
    width: 100%;
    border-radius: var(--cv-radius-sm);
    background: #000;
    max-height: 180px;
    object-fit: contain;
}

.cv-file-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.cv-detail-card {
    background: var(--cv-surface2);
    border: 1px solid var(--cv-border);
    border-radius: var(--cv-radius-sm);
    padding: 0.6rem 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.cv-detail-label {
    font-size: 0.72rem;
    color: var(--cv-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.cv-detail-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--cv-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ─── Opcions ─── */
.cv-options {
    margin-top: 1.5rem;
    background: var(--cv-surface);
    border-radius: var(--cv-radius);
    padding: 1.5rem;
    border: 1px solid var(--cv-border);
}
.cv-options-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0 0 1.25rem;
    color: var(--cv-text);
}
.cv-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
@media (max-width: 600px) {
    .cv-options-grid { grid-template-columns: 1fr; }
}
.cv-option-group { display: flex; flex-direction: column; gap: 0.4rem; }
.cv-option-label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--cv-text-muted);
}
.cv-select {
    background: var(--cv-surface2);
    border: 1px solid var(--cv-border);
    border-radius: var(--cv-radius-sm);
    color: var(--cv-text);
    font-family: inherit;
    font-size: 0.9rem;
    padding: 0.55rem 0.85rem;
    appearance: none;
    cursor: pointer;
    transition: border-color var(--cv-transition);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%238892a4' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.6rem center;
    background-size: 20px;
    padding-right: 2rem;
}
.cv-select:focus {
    outline: none;
    border-color: var(--cv-accent);
    box-shadow: 0 0 0 3px var(--cv-accent-glow);
}

/* Slider CRF */
.cv-crf-group { grid-column: 1 / -1; }
.cv-crf-hint {
    font-size: 0.72rem;
    color: var(--cv-text-muted);
    display: block;
    margin-top: 0.1rem;
}
.cv-slider {
    width: 100%;
    accent-color: var(--cv-accent);
    cursor: pointer;
    height: 6px;
    margin: 0.5rem 0 0.25rem;
}
.cv-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--cv-text-muted);
}

/* Zona d'acció */
.cv-action-area {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ─── Progrés ─── */
.cv-progress-area {
    margin-top: 1.5rem;
    background: var(--cv-surface);
    border-radius: var(--cv-radius);
    padding: 1.5rem;
    border: 1px solid var(--cv-border);
}
.cv-progress-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.cv-progress-spinner {
    width: 40px; height: 40px;
    border: 3px solid var(--cv-border);
    border-top-color: var(--cv-accent);
    border-radius: 50%;
    animation: cv-spin 0.9s linear infinite;
    flex-shrink: 0;
}
@keyframes cv-spin { to { transform: rotate(360deg); } }

.cv-progress-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.2rem;
}
.cv-progress-sub {
    font-size: 0.82rem;
    color: var(--cv-text-muted);
    margin: 0;
}
.cv-progress-bar-bg {
    background: var(--cv-surface2);
    border-radius: 999px;
    height: 10px;
    overflow: hidden;
    border: 1px solid var(--cv-border);
}
.cv-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--cv-accent), #8b5cf6);
    border-radius: 999px;
    transition: width 0.3s ease;
    box-shadow: 0 0 12px var(--cv-accent-glow);
}
.cv-progress-pct {
    text-align: right;
    font-size: 0.82rem;
    color: var(--cv-accent);
    font-weight: 700;
    margin: 0.4rem 0 0.75rem;
}
.cv-log-box {
    background: #0a0d14;
    border-radius: var(--cv-radius-sm);
    padding: 0.75rem 1rem;
    font-size: 0.78rem;
    font-family: 'Courier New', monospace;
    color: #6bec9f;
    max-height: 120px;
    overflow-y: auto;
    border: 1px solid #1e2535;
    line-height: 1.6;
}
.cv-log-box p { margin: 0; }

/* ─── Resultat ─── */
.cv-result {
    margin-top: 1.5rem;
    background: linear-gradient(135deg, rgba(34,197,94,0.08), rgba(108,99,255,0.08));
    border-radius: var(--cv-radius);
    padding: 2rem;
    border: 1px solid rgba(34,197,94,0.25);
    text-align: center;
}
.cv-result-icon { font-size: 3.5rem; margin-bottom: 0.75rem; }
.cv-result-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 0 1.5rem;
}
.cv-result-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.75rem;
}
.cv-stat-card {
    background: var(--cv-surface);
    border: 1px solid var(--cv-border);
    border-radius: var(--cv-radius-sm);
    padding: 0.85rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    min-width: 130px;
}
.cv-stat-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--cv-text-muted);
}
.cv-stat-value {
    font-size: 1.15rem;
    font-weight: 700;
}
.cv-stat-before { color: var(--cv-error); }
.cv-stat-after  { color: var(--cv-success); }
.cv-stat-pct    { color: var(--cv-accent); }
.cv-stat-arrow  { font-size: 1.5rem; color: var(--cv-text-muted); }

.cv-result-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ─── Error ─── */
.cv-error {
    margin-top: 1.5rem;
    background: rgba(239,68,68,0.07);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: var(--cv-radius);
    padding: 2rem;
    text-align: center;
}
.cv-error-icon { font-size: 3rem; margin-bottom: 0.75rem; }
.cv-error-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 0.6rem;
    color: var(--cv-error);
}
.cv-error-msg {
    color: var(--cv-text-muted);
    font-size: 0.9rem;
    margin: 0 0 1.25rem;
    line-height: 1.6;
}

/* ─── Responsive ─── */
@media (max-width: 480px) {
    .cv-wrapper { padding: 1.25rem 1rem; }
    .cv-upload-zone { padding: 2rem 1rem; }
    .cv-upload-title { font-size: 1.2rem; }
    .cv-action-area { flex-direction: column; }
    .cv-action-area .cv-btn { width: 100%; justify-content: center; }
    .cv-result-stats { flex-direction: column; align-items: stretch; }
    .cv-stat-arrow { transform: rotate(90deg); align-self: center; }
}