/* ══════════════════════════════════════════════════════════════
   AUTH SYSTEM v8.3 — CYBER-NEOBRUTALISMO
   Paleta: Fondo Amarillo · Ventanas Moradas · Texto Negro/Blanco
   ══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Rajdhani:wght@400;600;700&display=swap');

:root {
    --amarillo:      #FFFF00;
    --amarillo-soft: #FFE500;
    --morado:        #6A0DAD;
    --morado-oscuro: #4B0082;
    --morado-hover:  #7B15C5;
    --blanco:        #FFFFFF;
    --negro:         #000000;
    --gris-claro:    #F4F4F4;
    --rojo-error:    #FF3333;
    --verde-ok:      #00FF88;
    --sombra:        6px 6px 0px var(--negro);
    --sombra-grande: 12px 12px 0px var(--negro);
    --border:        3px solid var(--negro);
}

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

/* ── Body: Fondo Amarillo ─────────────────────────────────── */
body {
    font-family: 'Rajdhani', 'Segoe UI', sans-serif;
    background-color: var(--amarillo);
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 39px,
            rgba(0,0,0,0.04) 39px,
            rgba(0,0,0,0.04) 40px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 39px,
            rgba(0,0,0,0.04) 39px,
            rgba(0,0,0,0.04) 40px
        );
    color: var(--negro);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1.6;
}

/* ── Contenedor / Ventana Morada ──────────────────────────── */
.container {
    width: 100%;
    max-width: 420px;
    background-color: var(--morado);
    padding: 40px 36px;
    border: var(--border);
    box-shadow: var(--sombra-grande);
    color: var(--blanco);
    position: relative;
    animation: slideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(30px) rotate(-1deg); }
    to   { opacity: 1; transform: translateY(0) rotate(0deg); }
}

/* ── Títulos ────────────────────────────────────────────── */
h2.auth-title {
    font-family: 'Share Tech Mono', monospace;
    background-color: var(--amarillo);
    color: var(--negro);
    display: inline-block;
    padding: 6px 16px;
    border: var(--border);
    transform: rotate(-1.5deg);
    font-weight: 900;
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 28px;
}

h2.auth-title::before {
    content: '> ';
    opacity: 0.5;
}

/* ── Subtítulo ─────────────────────────────────────────── */
.auth-subtitle {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 22px;
    font-family: 'Share Tech Mono', monospace;
    border-left: 3px solid var(--amarillo);
    padding-left: 10px;
}

/* ── Inputs: Estilo Terminal ──────────────────────────── */
.input-group {
    position: relative;
    margin-bottom: 18px;
}

.input-group label {
    display: block;
    font-size: 0.78rem;
    font-family: 'Share Tech Mono', monospace;
    color: var(--amarillo);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"] {
    width: 100%;
    background: var(--negro);
    border: 2px solid var(--amarillo);
    padding: 11px 14px;
    color: var(--amarillo);
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.95rem;
    font-weight: bold;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

input[type="text"]::placeholder,
input[type="password"]::placeholder,
input[type="email"]::placeholder,
input[type="number"]::placeholder {
    color: rgba(255,255,0,0.35);
}

input:focus {
    background: #111;
    border-color: var(--blanco);
    box-shadow: 3px 3px 0px var(--blanco);
}

input.input-error {
    border-color: var(--rojo-error) !important;
    box-shadow: 3px 3px 0px var(--rojo-error) !important;
}

input.input-ok {
    border-color: var(--verde-ok) !important;
    box-shadow: 3px 3px 0px var(--verde-ok) !important;
}

/* ── Términos y Condiciones ──────────────────────────── */
.terms-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 14px 0 20px;
    background: rgba(0,0,0,0.3);
    padding: 12px;
    border: 1px dashed var(--amarillo);
}

.terms-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-width: 18px;
    accent-color: var(--amarillo);
    cursor: pointer;
    margin-top: 2px;
}

.terms-group label {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.8);
    cursor: pointer;
    line-height: 1.5;
}

.terms-group a {
    color: var(--amarillo);
    font-weight: 700;
    text-decoration: underline;
    cursor: pointer;
}

/* ── Botón Principal ────────────────────────────────── */
.btn-primary {
    width: 100%;
    padding: 14px;
    background-color: var(--amarillo);
    color: var(--negro);
    border: var(--border);
    font-family: 'Share Tech Mono', monospace;
    font-weight: 900;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    box-shadow: var(--sombra);
    transition: all 0.1s ease;
    margin-top: 6px;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background-color: var(--blanco);
    transform: translate(-2px, -2px);
    box-shadow: 8px 8px 0px var(--negro);
}

.btn-primary:active {
    transform: translate(6px, 6px);
    box-shadow: 0px 0px 0px var(--negro);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--sombra);
}

/* ── Botón Secundario ──────────────────────────────── */
.btn-secondary {
    display: inline-block;
    padding: 8px 16px;
    background: transparent;
    color: var(--amarillo);
    border: 2px solid var(--amarillo);
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.82rem;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s;
    margin-top: 12px;
}

.btn-secondary:hover {
    background: var(--amarillo);
    color: var(--negro);
}

/* ── Mensaje de Respuesta ──────────────────────────── */
#responseMessage {
    margin-top: 18px;
    border-left: 5px solid var(--amarillo);
    padding: 10px 14px;
    background: rgba(0,0,0,0.5);
    color: var(--blanco);
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    min-height: 0;
    transition: all 0.3s;
    display: none;
}

#responseMessage.show { display: block; }
#responseMessage.success { border-color: var(--verde-ok); color: var(--verde-ok); }
#responseMessage.error   { border-color: var(--rojo-error); color: var(--rojo-error); }

/* ── Links de Navegación ──────────────────────────── */
.auth-links {
    margin-top: 22px;
    text-align: center;
    border-top: 1px dashed rgba(255,255,0,0.3);
    padding-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.82rem;
    font-family: 'Share Tech Mono', monospace;
    transition: color 0.2s;
}

.auth-links a:hover { color: var(--amarillo); }

/* ── Fecha y Hora ─────────────────────────────────── */
.datetime-display {
    text-align: center;
    margin-bottom: 20px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
    letter-spacing: 2px;
}

/* ── SPINNER ─────────────────────────────────────── */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--negro);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}

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

/* ══════════════════════════════════════════════════
   MATRIX PRELOADER
   ══════════════════════════════════════════════════ */
#matrix-loader {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: #000;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: 'Share Tech Mono', monospace;
    color: var(--amarillo);
}

#matrix-text {
    width: 80%;
    max-width: 600px;
    line-height: 2;
    font-size: 0.9rem;
    text-shadow: 0 0 5px var(--amarillo), 0 0 15px var(--amarillo);
}

#matrix-text p { opacity: 0; animation: fadeIn 0.3s forwards; }
@keyframes fadeIn { to { opacity: 1; } }

#progress-bar {
    width: 300px;
    height: 12px;
    border: 2px solid var(--morado);
    margin-top: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 20px var(--morado);
}

#progress-fill {
    width: 0%;
    height: 100%;
    background: var(--amarillo);
    box-shadow: 0 0 10px var(--amarillo);
    transition: width 0.3s ease;
}

/* ══════════════════════════════════════════════════
   DASHBOARD
   ══════════════════════════════════════════════════ */
.dashboard-container {
    width: 100%;
    max-width: 900px;
    padding: 20px;
}

.dashboard-header {
    background: var(--morado);
    border: var(--border);
    box-shadow: var(--sombra-grande);
    padding: 30px 36px;
    margin-bottom: 28px;
    color: var(--blanco);
    position: relative;
    animation: slideIn 0.4s ease both;
}

.dashboard-header h1 {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.5rem;
    color: var(--amarillo);
    margin-bottom: 4px;
}

.dashboard-header p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

.logout-btn {
    position: absolute;
    top: 20px; right: 24px;
    background: var(--amarillo);
    color: var(--negro);
    border: var(--border);
    padding: 8px 16px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.78rem;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 3px 3px 0px var(--negro);
    transition: all 0.1s;
}

.logout-btn:hover {
    background: var(--rojo-error);
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0px var(--negro);
}

/* ── Menú de 4 opciones ──────────────────────────── */
.dashboard-menu {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.menu-card {
    background: var(--morado);
    border: var(--border);
    box-shadow: var(--sombra);
    padding: 28px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.12s;
    text-decoration: none;
    color: var(--blanco);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.4s ease both;
}

.menu-card:hover {
    background: var(--morado-hover);
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0px var(--negro);
}

.menu-card .card-icon {
    font-size: 2.2rem;
    filter: drop-shadow(0 0 6px var(--amarillo));
}

.menu-card h3 {
    font-family: 'Share Tech Mono', monospace;
    color: var(--amarillo);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.menu-card p {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.6);
}

/* ── Tarjeta de datos de usuario ─────────────────── */
.user-data-card {
    background: var(--morado);
    border: var(--border);
    box-shadow: var(--sombra);
    padding: 24px 28px;
    color: var(--blanco);
}

.user-data-card h3 {
    font-family: 'Share Tech Mono', monospace;
    color: var(--amarillo);
    border-bottom: 2px dashed var(--amarillo);
    padding-bottom: 10px;
    margin-bottom: 16px;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.user-data-card ul {
    list-style: none;
    font-size: 0.9rem;
}

.user-data-card li {
    margin-bottom: 10px;
    border-left: 3px solid var(--amarillo);
    padding-left: 12px;
}

.user-data-card strong {
    color: var(--amarillo);
}

/* ══════════════════════════════════════════════════
   ADMIN PANEL
   ══════════════════════════════════════════════════ */
.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    width: 100%;
    max-width: 1000px;
    padding: 20px;
}

.admin-card {
    background: var(--morado);
    border: var(--border);
    box-shadow: var(--sombra);
    padding: 22px;
    color: var(--blanco);
}

.admin-card h2 {
    font-family: 'Share Tech Mono', monospace;
    color: var(--amarillo);
    font-size: 0.9rem;
    text-transform: uppercase;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--amarillo);
    padding-bottom: 8px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.78rem;
}

.admin-table th {
    background: var(--amarillo);
    color: var(--negro);
    padding: 8px;
    text-align: left;
    font-family: 'Share Tech Mono', monospace;
    text-transform: uppercase;
}

.admin-table td {
    border: 1px solid rgba(255,255,0,0.2);
    padding: 7px 8px;
    color: var(--blanco);
}

.admin-table tr:nth-child(even) td {
    background: rgba(0,0,0,0.2);
}

.log-console {
    background: #0a0a0a;
    color: var(--verde-ok);
    padding: 14px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.72rem;
    border: 1px solid var(--verde-ok);
    height: 280px;
    overflow-y: scroll;
    line-height: 1.8;
}

/* ══════════════════════════════════════════════════
   MODAL DE TÉRMINOS Y CONDICIONES
   ══════════════════════════════════════════════════ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active { display: flex; }

.modal-box {
    background: var(--morado);
    border: var(--border);
    box-shadow: var(--sombra-grande);
    padding: 32px;
    max-width: 520px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    color: var(--blanco);
    font-size: 0.88rem;
    line-height: 1.7;
    animation: slideIn 0.3s ease both;
}

.modal-box h3 {
    font-family: 'Share Tech Mono', monospace;
    color: var(--amarillo);
    margin-bottom: 16px;
    font-size: 1rem;
    text-transform: uppercase;
}

.modal-close {
    display: block;
    width: 100%;
    margin-top: 20px;
    padding: 10px;
    background: var(--amarillo);
    color: var(--negro);
    border: var(--border);
    font-family: 'Share Tech Mono', monospace;
    font-weight: 900;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 3px 3px 0px var(--negro);
}

.modal-close:active {
    transform: translate(3px, 3px);
    box-shadow: none;
}

/* ══════════════════════════════════════════════════
   SELECTOR DE IDIOMA
   ══════════════════════════════════════════════════ */
.lang-switcher {
    position: absolute;
    top: 14px; right: 14px;
    display: flex;
    gap: 6px;
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(255,255,0,0.4);
    color: rgba(255,255,255,0.6);
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem;
    padding: 3px 8px;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.15s;
    width: auto;
    margin: 0;
    box-shadow: none;
}

.lang-btn.active,
.lang-btn:hover {
    border-color: var(--amarillo);
    color: var(--amarillo);
}

/* ══════════════════════════════════════════════════
   RESPONSIVE — MOBILE FIRST
   ══════════════════════════════════════════════════ */
@media (max-width: 600px) {
    .container { padding: 28px 22px; max-width: 100%; margin: 16px; }
    .dashboard-menu { grid-template-columns: 1fr; }
    .admin-grid { grid-template-columns: 1fr; }
    h2.auth-title { font-size: 1.1rem; }
    .logout-btn { position: static; display: block; margin-top: 12px; text-align: center; }
    .dashboard-header { padding: 20px; }
}

@media (max-width: 360px) {
    .container { padding: 22px 16px; }
    input[type="text"], input[type="password"], input[type="email"] {
        padding: 9px 10px;
        font-size: 0.85rem;
    }
}

input[type="number"] {
    width: 100%;
    background: #000000 !important;
    border: 2px solid #FFFF00 !important;
    padding: 11px 14px !important;
    color: #FFFF00 !important;
    font-family: 'Share Tech Mono', monospace !important;
    font-size: 0.95rem !important;
    font-weight: bold !important;
    outline: none !important;
}

input[type="number"]::placeholder {
    color: rgba(255,255,0,0.35) !important;
}

input[type="number"]:focus {
    background: #111111 !important;
    color: #FFFF00 !important;
}