/* app-custom.css — Tema oscuro "glass" de PhotoRestore.
   Se carga después de app.css y Bootstrap: neutraliza los restos del tema claro
   de la plantilla donde chocan con el tema oscuro. */

:root {
    --bg: #0b0f17;
    --bg-soft: #111827;
    --surface: rgba(255, 255, 255, 0.045);
    --surface-strong: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.09);
    --text: #e6edf3;
    --text-muted: #93a1b3;
    --accent-a: #8b5cf6;  /* violeta */
    --accent-b: #22d3ee;  /* cian */
    --accent-gradient: linear-gradient(90deg, var(--accent-a), var(--accent-b));
    --danger: #f87171;
    --radius: 16px;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

body {
    background:
        radial-gradient(60rem 30rem at 85% -10%, rgba(139, 92, 246, 0.16), transparent 60%),
        radial-gradient(50rem 26rem at -10% 110%, rgba(34, 211, 238, 0.12), transparent 60%),
        var(--bg);
    color: var(--text);
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    min-height: 100vh;
}

h1, h2, h3, h4, h5 {
    font-family: 'Sora', 'Inter', sans-serif;
}

a {
    color: var(--accent-b);
}

/* ---------- Hero ---------- */

.hero {
    text-align: center;
    margin: 2.5rem 0 2rem;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
}

.hero .hero-sub {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 34rem;
    margin: 0 auto;
}

/* ---------- Tarjetas de cristal ---------- */

.glass-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.card-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

/* Aparición de tarjetas que Blazor muestra condicionalmente (sin GSAP). */
.fade-in {
    animation: fadeSlideIn 0.45s ease both;
}

@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Dropzone ---------- */

.dropzone {
    position: relative;
    border: 2px dashed rgba(255, 255, 255, 0.22);
    border-radius: 12px;
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

/* El input cubre toda la zona: el clic funciona de forma nativa. */
.dropzone .dropzone-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    padding: 0;
}

.dropzone:hover,
.dropzone.drag-over {
    border-color: var(--accent-b);
    background: rgba(34, 211, 238, 0.06);
}

.dropzone.drag-over {
    transform: scale(1.01);
}

.dropzone .dz-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 0.75rem;
    stroke: var(--accent-b);
}

.dropzone p {
    margin: 0;
    font-weight: 500;
    color: var(--text);
}

.dropzone .dz-hint {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.85rem;
}

.dropzone .dz-file {
    color: var(--accent-b);
}

/* Vista previa compacta de la imagen seleccionada. */
.dz-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
}

.dz-thumb {
    max-height: 150px;
    max-width: 45%;
    height: auto;
    width: auto;
    border-radius: 10px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
    flex-shrink: 0;
}

.dz-info {
    min-width: 0;
}

.dz-info .dz-file {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 575.98px) {
    .dz-preview {
        flex-direction: column;
        text-align: center;
    }

    .dz-thumb {
        max-width: 100%;
    }
}

/* ---------- Selector de modo (tarjetas) ---------- */

.mode-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 0.75rem;
}

.mode-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 1.1rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
    user-select: none;
}

.mode-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.mode-card:hover {
    border-color: rgba(255, 255, 255, 0.25);
}

.mode-card.active {
    border-color: var(--accent-b);
    background: rgba(34, 211, 238, 0.08);
    box-shadow: 0 4px 18px rgba(139, 92, 246, 0.25);
}

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

.mode-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.mode-title {
    font-weight: 600;
    color: var(--text);
}

.mode-model {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent-b);
    border: 1px solid rgba(34, 211, 238, 0.35);
    border-radius: 999px;
    padding: 0.1rem 0.55rem;
    white-space: nowrap;
}

.mode-desc {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.45;
    color: var(--text-muted);
}

/* Enlace a la documentación oficial del modelo, dentro de la descripción. */
.mode-doc {
    display: inline-block;
    margin-top: 0.35rem;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--accent-b);
    text-decoration: none;
    opacity: 0.85;
    transition: opacity 0.2s ease;
}

.mode-doc:hover {
    opacity: 1;
    text-decoration: underline;
}

@media (max-width: 767.98px) {
    .mode-cards {
        grid-template-columns: 1fr;
    }
}

/* ---------- Selector de factor (pills) ---------- */

.scale-pills {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.scale-pills .pill {
    position: relative;
    padding: 0.5rem 1.15rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.scale-pills .pill input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.scale-pills .pill:hover {
    border-color: rgba(255, 255, 255, 0.25);
    color: var(--text);
}

.scale-pills .pill.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 18px rgba(139, 92, 246, 0.4);
}

.scale-pills .pill.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.output-hint {
    margin: 0.85rem 0 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.output-hint strong {
    color: var(--text);
}

/* ---------- Botón principal ---------- */

.btn-restore {
    display: block;
    width: 100%;
    padding: 0.95rem;
    border: none;
    border-radius: 14px;
    background: var(--accent-gradient);
    color: #fff;
    font-family: 'Sora', 'Inter', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow: 0 8px 28px rgba(139, 92, 246, 0.35);
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
    margin-bottom: 1.25rem;
}

.btn-restore:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 34px rgba(34, 211, 238, 0.35);
    filter: brightness(1.08);
}

.btn-restore:active:not(:disabled) {
    transform: translateY(0);
}

.btn-restore:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
}

/* ---------- Procesando ---------- */

.processing-card {
    text-align: center;
}

.processing-card lottie-player {
    margin: 0 auto 0.5rem;
}

.processing-card .status-text {
    font-weight: 500;
    margin-bottom: 1rem;
}

.progress-track {
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 999px;
    background: var(--accent-gradient);
    background-size: 200% 100%;
    animation: shimmer 1.6s linear infinite;
    transition: width 0.25s ease;
}

@keyframes shimmer {
    from { background-position: 0% 0; }
    to   { background-position: 200% 0; }
}

/* ---------- Badge del motor ---------- */

.backend-badge {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--border);
    background: var(--surface-strong);
    color: var(--text-muted);
}

.backend-badge.webgpu {
    color: var(--accent-b);
    border-color: rgba(34, 211, 238, 0.4);
}

/* ---------- Error ---------- */

.error-card {
    border-color: rgba(248, 113, 113, 0.4);
    color: var(--danger);
    font-weight: 500;
}

/* ---------- Resultado / comparación ---------- */

.comparison-wrap {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.comparison-wrap img-comparison-slider {
    display: block;
    width: 100%;
    cursor: ew-resize;
    --divider-width: 4px;
    --divider-color: var(--accent-b);
    --divider-shadow: 0 0 10px rgba(34, 211, 238, 0.8);
}

/* Handle personalizado (slot="handle"): círculo con degradado y chevrones. */
.cmp-handle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6), 0 0 14px rgba(139, 92, 246, 0.55);
    border: 2px solid rgba(255, 255, 255, 0.85);
}

.cmp-handle svg {
    width: 26px;
    height: 26px;
    stroke: #fff;
}

.comparison-wrap img {
    display: block;
    width: 100%;
    height: auto;
}

.cmp-label {
    position: absolute;
    top: 0.75rem;
    z-index: 2;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    backdrop-filter: blur(6px);
    pointer-events: none;
}

.cmp-label.before { left: 0.75rem; }
.cmp-label.after  { right: 0.75rem; background: rgba(139, 92, 246, 0.65); }

.result-meta {
    margin: 1rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.result-meta strong {
    color: var(--text);
}

.btn-download {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 12px;
    background: var(--accent-gradient);
    color: #fff !important;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 8px 28px rgba(139, 92, 246, 0.35);
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.btn-download:hover {
    transform: translateY(-2px);
    filter: brightness(1.08);
    box-shadow: 0 12px 34px rgba(34, 211, 238, 0.35);
}

/* ---------- Barra superior de navegación ---------- */

.top-banner {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.65rem 1.25rem;
    background: rgba(11, 15, 23, 0.72);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.top-banner .brand {
    font-family: 'Sora', 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.05rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    white-space: nowrap;
}

.banner-tabs {
    display: flex;
    gap: 0.4rem;
}

.banner-tab {
    padding: 0.4rem 1.05rem;
    border-radius: 999px;
    border: 1px solid transparent;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.banner-tab:hover {
    color: var(--text);
    border-color: var(--border);
}

.banner-tab.active {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 18px rgba(139, 92, 246, 0.4);
}

/* ---------- Resultado de animación ---------- */

.anim-preview {
    display: block;
    max-width: 100%;
    max-height: 420px;
    margin: 0 auto;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
}

/* ---------- Pie ---------- */

.page-footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.82rem;
    padding: 2rem 0 1rem;
}

/* ---------- Neutralizar restos del tema claro ---------- */

#blazor-error-ui {
    color-scheme: dark;
    background: #3b1215;
    color: #fecaca;
}

::selection {
    background: rgba(139, 92, 246, 0.5);
}