/* app.css — Sistema visual "cristal" azul marino / corporativo */
:root {
    /* Fondo y superficies */
    --bg-color: #ffffff;
    --bg-color-2: #eef2f8;
    --text-primary: #14284a;
    --text-secondary: #5b6b82;

    /* Acentos azul marino / celeste */
    --accent-sky: #3b82c4;
    --accent-blue: #1a3c66;
    --accent-blue-deep: #0f2540;
    --accent-glow: rgba(26, 60, 102, 0.28);

    /* Vidrio (glassmorphism claro sobre blanco) */
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-bg-strong: rgba(255, 255, 255, 0.82);
    --glass-border: rgba(20, 40, 74, 0.12);
    --card-bg: rgba(255, 255, 255, 0.82);

    --primary-color: var(--accent-blue);
    --primary-hover: var(--accent-blue-deep);
    --secondary-color: transparent;
    --danger-color: #dc2626;
    --border-color: var(--glass-border);
}

* {
    box-sizing: border-box;
}

html, body {
    min-height: 100%;
}

body {
    background-color: #ffffff;
    color: var(--text-primary);
    font-family: 'Inter', 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* Fondo blanco corporativo con acentos de "cristal" azul marino: dos
   manchas degradadas muy suaves (arriba-izquierda y abajo-derecha) con
   deriva lentísima, más una textura de grano casi imperceptible encima
   para que no se sienta plano. */
body::before {
    content: "";
    position: fixed;
    inset: -10vmax;
    z-index: -2;
    background:
        radial-gradient(46vmax 46vmax at 92% 88%, rgba(26, 60, 102, 0.16), rgba(59, 130, 196, 0.08) 45%, transparent 70%),
        radial-gradient(38vmax 38vmax at 6% 8%, rgba(59, 130, 196, 0.10), transparent 65%);
    animation: fondoDeriva 40s ease-in-out infinite alternate;
    pointer-events: none;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: 0.03;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    pointer-events: none;
}

@keyframes fondoDeriva {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-1.5%, 1.5%) scale(1.04); }
}

.name-gradient {
    background: linear-gradient(100deg, #0f2540 15%, #1a3c66 50%, #14284a 85%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.card-container {
    background: var(--card-bg);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(59, 130, 196, 0.28), 0 0 0 1px rgba(255, 255, 255, 0.4) inset, 0 1px 0 rgba(255, 255, 255, 0.6) inset;
    width: 100%;
    max-width: 480px;
    text-align: center;
}

h1, h2, h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.input-rut {
    width: 100%;
    padding: 15px;
    font-size: 1.2rem;
    text-align: center;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    margin-bottom: 20px;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.55);
    color: var(--text-primary);
}

.input-rut:focus {
    border-color: var(--accent-sky);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-primary {
    background: linear-gradient(115deg, var(--accent-blue-deep) 0%, var(--accent-blue) 55%, var(--accent-sky) 100%);
    color: #fff5f9;
    border: 1px solid rgba(210, 226, 245, 0.5);
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 14px;
    cursor: pointer;
    width: 100%;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
    box-shadow: 0 10px 25px rgba(20, 40, 74, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-primary:hover {
    filter: brightness(1.08);
    box-shadow: 0 14px 32px rgba(59, 130, 196, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    margin-top: 15px;
    transition: all 0.25s ease;
    width: 100%;
}

.btn-secondary:hover {
    background: var(--glass-bg-strong);
    color: var(--text-primary);
    border-color: var(--accent-sky);
}

.btn-admin {
    margin-top: 12px;
}

.btn-danger {
    background-color: var(--danger-color);
    color: #ffffff;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    cursor: pointer;
    width: 100%;
    margin-top: 10px;
    font-weight: 600;
}

.alert-error {
    color: #b91c1c;
    background-color: rgba(254, 226, 226, 0.85);
    border: 1px solid rgba(248, 113, 113, 0.5);
    padding: 10px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(11, 28, 51, 0.45);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(6px);
}

.modal-content {
    background: var(--card-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    text-align: left;
    box-shadow: 0 25px 50px -12px rgba(59, 130, 196, 0.35);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    float: right;
    color: var(--text-secondary);
}

/* Utilities */
.spacer { margin-top: 30px; }
.text-left { text-align: left; }
.flex-row { display: flex; gap: 10px; }
.w-50 { width: 50%; }

.admin-shell {
    max-width: 980px;
    text-align: left;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 24px;
}

.admin-top-action {
    width: auto;
    min-width: 160px;
    margin-top: 0;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.admin-panel {
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 18px;
    background: var(--card-bg);
    backdrop-filter: blur(16px);
}

.admin-fullwidth {
    margin-top: 16px;
}

.admin-select {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    margin-bottom: 12px;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.55);
    color: var(--text-primary);
}

.admin-note {
    margin-top: 10px;
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.admin-table {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 14px;
    align-items: center;
    background: var(--card-bg);
}

.admin-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

small {
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }

    .admin-header,
    .admin-row {
        flex-direction: column;
        align-items: stretch;
    }

    .admin-actions {
        justify-content: stretch;
    }

    .admin-actions .btn-secondary,
    .admin-actions .btn-danger {
        width: 100%;
    }
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ===== BOTONES 3D CON ANIMACIONES ===== */
.btn-3d {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: 12px;
    padding: 12px 24px;
    border: none;
    cursor: pointer;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    /* Sombra de profundidad inicial */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 10px 15px rgba(0, 0, 0, 0.15);
    transform: translateY(0);
    user-select: none;
}

.btn-3d:active,
.btn-3d:focus {
    outline: none;
}

/* Press down effect: el botón baja al hacer clic */
.btn-3d:active {
    transform: translateY(2px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Hover: sombra más profunda y botón sube un poquito */
.btn-3d:hover:not(:active) {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15), 0 12px 20px rgba(0, 0, 0, 0.2);
}

.btn-3d-primary {
    background: linear-gradient(115deg, var(--accent-blue-deep) 0%, var(--accent-blue) 55%, var(--accent-sky) 100%);
    color: white;
}

.btn-3d-primary:hover {
    filter: brightness(1.1);
}

.btn-3d-secondary {
    background: rgba(255, 255, 255, 0.6);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-3d-secondary:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: var(--accent-blue);
}

.btn-3d-danger {
    background: linear-gradient(115deg, #dc2626 0%, #ef4444 100%);
    color: white;
}

.btn-3d-danger:hover {
    filter: brightness(1.1);
}

.btn-3d-success {
    background: linear-gradient(115deg, #059669 0%, #10b981 100%);
    color: white;
}

.btn-3d-success:hover {
    filter: brightness(1.1);
}

/* Feedback visual garantizado al presionar cualquier botón del sitio
   (la clase la agrega/quita js/common.js). Usa !important a propósito:
   es una clase de estado transitoria que debe ganarle siempre a los
   estilos propios de cada variante de botón (.btn-3d, .btn-primary,
   .btn-secondary, .btn-danger, .modal-close), incluso a las que no
   tenían ningún :active definido. */
button.presionado {
    transform: scale(0.96) !important;
    filter: brightness(0.9) !important;
    transition: transform 0.08s ease, filter 0.08s ease !important;
}

/* Spinner loading */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 3px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spinnerRotate 0.6s linear infinite;
}

@keyframes spinnerRotate {
    to { transform: rotate(360deg); }
}

/* ===== TOAST NOTIFICATIONS ===== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
    pointer-events: none;
}

.toast {
    background: white;
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    animation: toastSlideIn 0.3s ease-out forwards;
    pointer-events: auto;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(400px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastSlideOut {
    to {
        opacity: 0;
        transform: translateX(400px);
    }
}

.toast.exit {
    animation: toastSlideOut 0.3s ease-in forwards;
}

.toast-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.toast-success {
    background: linear-gradient(135deg, #f0fdf4 0%, #e8f5e9 100%);
    color: #065f46;
    border-left: 4px solid #10b981;
}

.toast-error {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    color: #7f1d1d;
    border-left: 4px solid #ef4444;
}

.toast-info {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    color: #0c2d6b;
    border-left: 4px solid #0ea5e9;
}