/**
 * Wimax Cloud — Portal Cautivo Stylesheet
 * Mobile-First | Dark Mode | Zero Border Radius
 */

/* ── RESET & BASE ─────────────────────────────────── */

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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #141414;
    --bg-input: #1a1a1a;
    --bg-hover: #1e1e1e;

    --text-primary: #e8e8e8;
    --text-secondary: #888888;
    --text-muted: #555555;

    --accent: #00d4aa;
    --accent-hover: #00eabb;
    --accent-dim: rgba(0, 212, 170, 0.1);
    --accent-glow: rgba(0, 212, 170, 0.25);

    --danger: #ff4d4d;
    --warning: #ffaa00;

    --border: #222222;
    --border-active: #333333;

    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    --radius: 0px; /* Estrictamente cuadrado */
    --transition: 200ms ease;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ── PORTAL CONTAINER ─────────────────────────────── */

.portal-container {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

/* ── HEADER ────────────────────────────────────────── */

.portal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

.portal-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.brand-text h1 {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.brand-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

/* ── CAROUSEL ──────────────────────────────────────── */

.carousel {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 7;
    overflow: hidden;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.carousel-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 500ms ease;
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.carousel-empty {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    background: var(--bg-secondary);
}

.carousel-indicators {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
}

.carousel-dot {
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    transition: all var(--transition);
    cursor: pointer;
}

.carousel-dot.active {
    background: var(--accent);
    width: 20px;
}

/* ── MAIN CONTENT ──────────────────────────────────── */

.portal-main {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    animation: fadeInUp 400ms ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── RESTRICTION CARD ──────────────────────────────── */

.restriction-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 32px 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.restriction-icon {
    color: var(--danger);
    opacity: 0.8;
}

.restriction-card h2 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.restriction-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    max-width: 280px;
}

.restriction-timer {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    width: 100%;
}

.timer-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timer-value {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--warning);
    font-weight: 500;
}

.restriction-mac {
    padding: 8px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
}

.mono {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ── REGISTER CARD ─────────────────────────────────── */

.register-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.card-header {
    padding: 24px 20px 16px;
    border-bottom: 1px solid var(--border);
}

.card-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.card-header p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

#registerForm {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ── FORM FIELDS ───────────────────────────────────── */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group input.error {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(255, 77, 77, 0.1);
}

.field-error {
    font-size: 0.75rem;
    color: var(--danger);
    min-height: 0;
    transition: all var(--transition);
}

.field-error:not(:empty) {
    min-height: 18px;
}

/* ── CONNECT BUTTON ────────────────────────────────── */

.btn-connect {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    margin-top: 4px;
}

.btn-connect:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 24px var(--accent-glow);
}

.btn-connect:active {
    transform: scale(0.98);
}

.btn-connect:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-connect.loading span {
    opacity: 0;
}

.btn-connect.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--bg-primary);
    border-top-color: transparent;
    animation: spin 600ms linear infinite;
}

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

/* ── TERMS ─────────────────────────────────────────── */

.terms-text {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.6;
}

/* ── FOOTER ────────────────────────────────────────── */

.portal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.portal-footer strong {
    color: var(--accent);
    font-weight: 500;
}

.footer-version {
    font-family: var(--font-mono);
    font-size: 0.65rem;
}

/* ── ERROR/SUCCESS MESSAGES ────────────────────────── */

.message {
    padding: 12px 16px;
    border: 1px solid;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.message.error {
    background: rgba(255, 77, 77, 0.08);
    border-color: rgba(255, 77, 77, 0.3);
    color: var(--danger);
}

.message.success {
    background: var(--accent-dim);
    border-color: rgba(0, 212, 170, 0.3);
    color: var(--accent);
}

/* ── RESPONSIVE ────────────────────────────────────── */

@media (min-width: 481px) {
    .portal-container {
        border-left: 1px solid var(--border);
        border-right: 1px solid var(--border);
    }
}

@media (min-width: 768px) {
    .carousel {
        aspect-ratio: 16 / 5;
    }
}

/* ── ACCESSIBILITY ─────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ── SCROLLBAR (Webkit) ────────────────────────────── */

::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
}