/* =========================================================================
   Sistema de Testigos Fotográficos — Angulo Norte
   Identidad visual: tema oscuro "sala de control" acorde al branding
   Angulo Norte (azul de transmisión sobre grafito), con perforaciones de
   carrete y marcos de negativo como motivo decorativo heredado.
   ========================================================================= */

:root {
    /* Paleta — Angulo Norte */
    --color-fondo:       #0D1117;
    --color-superficie:  #161D2C;
    --color-superficie-alta: #1A2A44;
    --color-hover:       rgba(255,255,255,0.045);
    --color-tinta:       #E2E8F0;
    --color-tinta-suave: #8B99B0;
    --color-borde:       #2D3748;
    --color-acento:      #2563EB;  /* azul de transmisión Angulo Norte */
    --color-acento-suave:rgba(37,99,235,0.16);
    --color-oro:         #E0A82E;  /* flash de cámara, usar con moderación */
    --color-oro-suave:   rgba(224,168,46,0.16);
    --color-exito:       #22C55E;
    --color-exito-suave: rgba(34,197,94,0.16);
    --color-peligro:     #EF4444;
    --color-peligro-suave:rgba(239,68,68,0.16);

    /* Tipografía */
    --fuente-display: 'Poppins', 'Segoe UI', sans-serif;
    --fuente-cuerpo:  'Montserrat', 'Segoe UI', sans-serif;
    --fuente-mono:    'IBM Plex Mono', 'Courier New', monospace;

    /* Espaciado y forma */
    --radio-s:  8px;
    --radio-m:  14px;
    --radio-l:  22px;
    --sombra-suave: 0 1px 2px rgba(0,0,0,0.25), 0 6px 20px rgba(0,0,0,0.30);
    --sombra-alta:  0 4px 14px rgba(0,0,0,0.35), 0 20px 48px rgba(0,0,0,0.55);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--color-fondo);
    background-image:
        radial-gradient(1100px 520px at 88% -8%, rgba(37,99,235,0.14), transparent 60%),
        radial-gradient(700px 400px at -5% 10%, rgba(37,99,235,0.08), transparent 60%);
    background-attachment: fixed;
    color: var(--color-tinta);
    font-family: var(--fuente-cuerpo);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--fuente-display);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0 0 0.4em 0;
}

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

:focus-visible {
    outline: 2px solid var(--color-acento);
    outline-offset: 2px;
}

/* -------------------------------------------------------------------------
   Motivo de marca: perforaciones de carrete de película.
   Se usa como separador decorativo discreto en cabeceras.
   ------------------------------------------------------------------------- */
.perforaciones {
    display: flex;
    gap: 6px;
    padding: 6px 0;
}
.perforaciones span {
    width: 6px;
    height: 6px;
    border-radius: 1px;
    background: var(--color-borde);
}

/* -------------------------------------------------------------------------
   Layout general de aplicación (sidebar + contenido)
   ------------------------------------------------------------------------- */
.app-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}
@media (max-width: 860px) {
    .app-shell { grid-template-columns: 1fr; }
    .app-sidebar { display: none; }
    .app-sidebar.abierto { display: block; }
}

.app-sidebar {
    background: var(--color-superficie);
    border-right: 1px solid var(--color-borde);
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.app-sidebar .marca {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--fuente-display);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    margin-bottom: 4px;
}
.app-sidebar .marca img.marca-emblema {
    height: 22px;
    width: auto;
    max-width: 22px;
    flex-shrink: 0;
    display: block;
}
.app-sidebar .marca .marca-texto {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}
.app-sidebar .marca small {
    display: block;
    font-family: var(--fuente-cuerpo);
    font-weight: 400;
    font-size: 0.72rem;
    color: var(--color-tinta-suave);
    letter-spacing: 0.03em;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radio-s);
    color: var(--color-tinta);
    font-size: 0.92rem;
    font-weight: 500;
}
.nav-link:hover { background: var(--color-hover); text-decoration: none; }
.nav-link.activo { background: var(--color-acento-suave); color: var(--color-acento); }
.nav-separador { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--color-borde); }

.app-main { padding: 28px 32px; max-width: 1280px; }
@media (max-width: 600px) { .app-main { padding: 18px; } }

.app-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.app-topbar h1 { font-size: 1.5rem; }
.app-topbar .subtitulo { color: var(--color-tinta-suave); font-size: 0.9rem; }

/* -------------------------------------------------------------------------
   Tarjetas / componentes
   ------------------------------------------------------------------------- */
.card {
    background: var(--color-superficie);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio-m);
    box-shadow: var(--sombra-suave);
    padding: 20px;
}

.grid-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 16px;
    margin-bottom: 26px;
}
.stat-card {
    background: var(--color-superficie);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio-m);
    padding: 18px 20px;
    box-shadow: var(--sombra-suave);
}
.stat-card .valor {
    font-family: var(--fuente-display);
    font-size: 1.8rem;
    font-weight: 700;
}
.stat-card .etiqueta {
    color: var(--color-tinta-suave);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.stat-card.acento { border-color: var(--color-acento); }
.stat-card.acento .valor { color: var(--color-acento); }

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radio-s);
    border: 1px solid transparent;
    font-family: var(--fuente-cuerpo);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: transform 0.08s ease, box-shadow 0.15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primario { background: var(--color-acento); color: #fff; }
.btn-primario:hover { box-shadow: 0 4px 14px rgba(36,86,219,0.35); }
.btn-secundario { background: var(--color-superficie); color: var(--color-tinta); border-color: var(--color-borde); }
.btn-secundario:hover { background: var(--color-hover); }
.btn-peligro { background: var(--color-peligro-suave); color: var(--color-peligro); }
.btn-oro { background: var(--color-oro); color: #1a1200; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* Formularios */
.campo { margin-bottom: 16px; }
.campo label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
}
.campo input[type="text"],
.campo input[type="email"],
.campo input[type="password"],
.campo input[type="date"],
.campo textarea,
.campo select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-borde);
    border-radius: var(--radio-s);
    font-family: var(--fuente-cuerpo);
    font-size: 0.92rem;
    background: var(--color-superficie);
    color: var(--color-tinta);
}
.campo input:focus, .campo textarea:focus, .campo select:focus {
    outline: none;
    border-color: var(--color-acento);
    box-shadow: 0 0 0 3px var(--color-acento-suave);
}
.ayuda-campo { font-size: 0.78rem; color: var(--color-tinta-suave); margin-top: 4px; }

/* Tablas */
table.tabla { width: 100%; border-collapse: collapse; }
table.tabla th {
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-tinta-suave);
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-borde);
}
table.tabla td {
    padding: 12px;
    border-bottom: 1px solid var(--color-borde);
    font-size: 0.9rem;
}
table.tabla tr:last-child td { border-bottom: none; }
table.tabla tr:hover td { background: var(--color-hover); }

/* Insignias de estado */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.badge-activo { background: var(--color-exito-suave); color: var(--color-exito); }
.badge-inactivo { background: var(--color-peligro-suave); color: var(--color-peligro); }

/* Alertas */
.alerta {
    padding: 12px 16px;
    border-radius: var(--radio-s);
    font-size: 0.88rem;
    margin-bottom: 18px;
}
.alerta-error { background: var(--color-peligro-suave); color: var(--color-peligro); }
.alerta-exito { background: var(--color-exito-suave); color: var(--color-exito); }
.alerta-info { background: var(--color-acento-suave); color: var(--color-acento); }

/* -------------------------------------------------------------------------
   Página pública del evento: cuadrícula estilo "hoja de contacto"
   ------------------------------------------------------------------------- */
.portada-evento {
    position: relative;
    border-radius: var(--radio-l);
    overflow: hidden;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--color-superficie-alta), var(--color-fondo));
    min-height: 220px;
    display: flex;
    align-items: flex-end;
}
.portada-evento img {
    position: absolute; inset: 0;
    width: 100%; height: 100%; object-fit: cover; opacity: 0.55;
}
.portada-evento .contenido {
    position: relative;
    padding: 28px 32px;
    color: #fff;
}
.portada-evento .contenido .marca-organizador {
    font-size: 0.8rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.portada-evento .contenido h1 { font-size: 2rem; margin: 4px 0; }

.grid-carpetas {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}
.carpeta-medio {
    background: var(--color-superficie);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio-m);
    padding: 18px;
    text-align: left;
    cursor: pointer;
    transition: box-shadow 0.15s ease, transform 0.1s ease;
    position: relative;
}
.carpeta-medio:hover { box-shadow: var(--sombra-alta); transform: translateY(-2px); text-decoration: none; }
.carpeta-medio .icono-carpeta { font-size: 1.6rem; margin-bottom: 8px; display: block; }
.carpeta-medio .nombre { font-weight: 700; color: var(--color-tinta); font-size: 0.95rem; }
.carpeta-medio .meta { font-size: 0.78rem; color: var(--color-tinta-suave); margin-top: 4px; }

.carpeta-nueva {
    border: 1.5px dashed var(--color-acento);
    background: var(--color-acento-suave);
    color: var(--color-acento);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 6px;
    font-weight: 700;
}

/* Zona de arrastre de imágenes */
.zona-drop {
    border: 1.5px dashed var(--color-borde);
    border-radius: var(--radio-m);
    padding: 40px 20px;
    text-align: center;
    color: var(--color-tinta-suave);
    background: var(--color-superficie);
    transition: border-color 0.15s ease, background 0.15s ease;
}
.zona-drop.arrastrando {
    border-color: var(--color-acento);
    background: var(--color-acento-suave);
    color: var(--color-acento);
}

.lista-previsualizacion {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    margin-top: 18px;
}
.miniatura {
    position: relative;
    border-radius: var(--radio-s);
    overflow: hidden;
    aspect-ratio: 1;
    background: var(--color-fondo);
    border: 1px solid var(--color-borde);
}
.miniatura img { width: 100%; height: 100%; object-fit: cover; }
.miniatura .barra-progreso {
    position: absolute; left: 0; right: 0; bottom: 0;
    height: 4px; background: rgba(0,0,0,0.15);
}
.miniatura .barra-progreso span {
    display: block; height: 100%; width: 0%;
    background: var(--color-oro);
    transition: width 0.2s ease;
}
.miniatura.completo .barra-progreso span { background: var(--color-exito); width: 100%; }
.miniatura .estado-icono {
    position: absolute; top: 4px; right: 4px;
    background: rgba(255,255,255,0.9);
    border-radius: 100px;
    width: 20px; height: 20px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.7rem;
}

/* Modal simple */
.modal-fondo {
    position: fixed; inset: 0;
    background: rgba(21,23,28,0.5);
    display: none;
    align-items: center; justify-content: center;
    padding: 20px;
    z-index: 50;
}
.modal-fondo.visible { display: flex; }
.modal-caja {
    background: var(--color-superficie);
    border-radius: var(--radio-l);
    padding: 26px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--sombra-alta);
}

/* Galería de fotos (vista admin/organizador) */
.miniatura-galeria {
    display: block;
    cursor: zoom-in;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.miniatura-galeria:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-alta);
}

/* Lightbox para ver fotos en tamaño completo */
.lightbox-fondo {
    position: fixed; inset: 0;
    background: rgba(10,10,12,0.92);
    display: none;
    align-items: center; justify-content: center;
    z-index: 100;
    padding: 40px 20px;
}
.lightbox-fondo.visible { display: flex; }
.lightbox-imagen {
    max-width: 100%;
    max-height: 78vh;
    border-radius: var(--radio-s);
    box-shadow: var(--sombra-alta);
}
.lightbox-cerrar {
    position: absolute; top: 18px; right: 22px;
    background: rgba(255,255,255,0.12);
    color: #fff;
    border: none;
    width: 40px; height: 40px;
    border-radius: 100px;
    font-size: 1.1rem;
    cursor: pointer;
}
.lightbox-cerrar:hover { background: rgba(255,255,255,0.22); }
.lightbox-nav {
    position: absolute; top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.12);
    color: #fff;
    border: none;
    width: 48px; height: 48px;
    border-radius: 100px;
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.22); }
.lightbox-prev { left: 18px; }
.lightbox-next { right: 18px; }
.lightbox-pie {
    position: absolute; bottom: 18px; left: 0; right: 0;
    display: flex; align-items: center; justify-content: center; gap: 14px;
    color: #fff;
    font-size: 0.9rem;
}

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-fondo);
    padding: 20px;
}
.login-caja {
    width: 100%;
    max-width: 380px;
    background: var(--color-superficie);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio-l);
    box-shadow: var(--sombra-alta);
    padding: 34px 30px;
}
.login-caja .marca { text-align: center; margin-bottom: 22px; }
.login-caja .marca .icono { font-size: 2rem; }
.login-caja .marca img.marca-logo-completo {
    display: block;
    height: auto;
    width: clamp(64px, 16vw, 96px);
    max-width: 40%;
    margin: 0 auto 10px;
}
.login-caja .marca h2 {
    font-family: var(--fuente-display);
    letter-spacing: 0.02em;
    font-size: 1.1rem;
    text-transform: uppercase;
    color: var(--color-tinta-suave);
    font-weight: 600;
}

.texto-suave { color: var(--color-tinta-suave); }
.mb-0 { margin-bottom: 0 !important; }
.flex-entre { display: flex; align-items: center; justify-content: space-between; }
.flex-gap { display: flex; align-items: center; gap: 10px; }