/* auth.css — Estilos para login y registro */

@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@300;400;600;700;900&family=JetBrains+Mono:wght@400;600&display=swap');

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

:root {
    --bg:        #080c14;
    --surface:   #0e1520;
    --border:    #1e2d45;
    --accent:    #00d4ff;
    --accent2:   #f0b429;
    --danger:    #ff4757;
    --success:   #2ed573;
    --text:      #c8d8f0;
    --muted:     #4a6080;
    --font-head: 'Exo 2', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius:    10px;
    --glow:      0 0 20px rgba(0,212,255,.25);
}

html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-head);
}

/* ── Fondo animado con hexágonos ── */
body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    overflow: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: -50%;
    background:
        radial-gradient(ellipse 60% 40% at 20% 30%, rgba(0,212,255,.07) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 80% 70%, rgba(240,180,41,.05) 0%, transparent 60%);
    animation: bgPulse 8s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes bgPulse {
    from { transform: scale(1)   rotate(0deg); }
    to   { transform: scale(1.1) rotate(3deg); }
}

/* Partículas decorativas */
.particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}
.particle {
    position: absolute;
    width: 2px; height: 2px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    animation: float linear infinite;
}
@keyframes float {
    0%   { transform: translateY(100vh) scale(0); opacity: 0; }
    10%  { opacity: .6; }
    90%  { opacity: .4; }
    100% { transform: translateY(-10vh) scale(1.5); opacity: 0; }
}

/* ── Card principal ── */
.auth-card {
    position: relative;
    width: 100%;
    max-width: 440px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px 40px 40px;
    box-shadow: 0 0 0 1px rgba(0,212,255,.08), 0 40px 80px rgba(0,0,0,.6), var(--glow);
    animation: cardIn .5s cubic-bezier(.16,1,.3,1) both;
    z-index: 10;
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(30px) scale(.97); }
    to   { opacity: 1; transform: translateY(0)    scale(1);   }
}

/* Línea neón superior */
.auth-card::before {
    content: '';
    position: absolute;
    top: 0; left: 10%; right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    border-radius: 2px;
    box-shadow: 0 0 12px var(--accent);
}

/* ── Logo / cabecera ── */
.auth-logo {
    text-align: center;
    margin-bottom: 36px;
}
.auth-logo .icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 8px;
    filter: drop-shadow(0 0 12px rgba(0,212,255,.5));
    animation: iconBounce 3s ease-in-out infinite;
}
@keyframes iconBounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-6px); }
}
.auth-logo h1 {
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: .05em;
    color: #fff;
    text-transform: uppercase;
}
.auth-logo h1 span { color: var(--accent); }
.auth-logo p {
    font-size: .8rem;
    color: var(--muted);
    font-family: var(--font-mono);
    margin-top: 4px;
    letter-spacing: .1em;
}

/* ── Formulario ── */
.form-group {
    margin-bottom: 18px;
    animation: fadeUp .4s ease both;
}
.form-group:nth-child(1) { animation-delay: .05s; }
.form-group:nth-child(2) { animation-delay: .10s; }
.form-group:nth-child(3) { animation-delay: .15s; }
.form-group:nth-child(4) { animation-delay: .20s; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

label {
    display: block;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
    font-family: var(--font-mono);
}

.input-wrap {
    position: relative;
}
.input-wrap .ico {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    pointer-events: none;
    opacity: .5;
    transition: opacity .2s;
}
input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 13px 14px 13px 42px;
    background: rgba(0,0,0,.3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: #fff;
    font-size: .95rem;
    font-family: var(--font-head);
    transition: border-color .25s, box-shadow .25s, background .25s;
    outline: none;
}
input:focus {
    border-color: var(--accent);
    background: rgba(0,212,255,.04);
    box-shadow: 0 0 0 3px rgba(0,212,255,.12);
}
input:focus + .ico,
.input-wrap:focus-within .ico { opacity: 1; }

input.error { border-color: var(--danger); }

.field-error {
    font-size: .75rem;
    color: var(--danger);
    margin-top: 5px;
    font-family: var(--font-mono);
    display: none;
}
.field-error.visible { display: block; }

/* Indicador de fuerza de contraseña */
.strength-bar {
    height: 3px;
    background: var(--border);
    border-radius: 3px;
    margin-top: 8px;
    overflow: hidden;
}
.strength-fill {
    height: 100%;
    width: 0;
    border-radius: 3px;
    transition: width .4s ease, background .4s ease;
}

/* ── Botón principal ── */
.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: #000;
    font-family: var(--font-head);
    font-size: .95rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform .15s, box-shadow .2s;
    margin-top: 8px;
}
.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(255,255,255,.15), transparent);
    pointer-events: none;
}
.btn-primary:hover  { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(0,212,255,.4); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* Spinner dentro del botón */
.btn-primary .spinner {
    display: none;
    width: 18px; height: 18px;
    border: 2px solid rgba(0,0,0,.3);
    border-top-color: #000;
    border-radius: 50%;
    animation: spin .7s linear infinite;
    margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }
.btn-primary.loading .btn-text { display: none; }
.btn-primary.loading .spinner { display: block; }

/* ── Alertas globales ── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: .85rem;
    margin-bottom: 20px;
    border-left: 3px solid;
    animation: fadeUp .3s ease;
}
.alert-error   { background: rgba(255,71,87,.1);  border-color: var(--danger);  color: #ffb3bb; }
.alert-success { background: rgba(46,213,115,.1); border-color: var(--success); color: #a0ffcc; }

/* ── Divisor ── */
.divider {
    text-align: center;
    position: relative;
    margin: 24px 0;
    color: var(--muted);
    font-size: .75rem;
    font-family: var(--font-mono);
    letter-spacing: .1em;
}
.divider::before, .divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 38%;
    height: 1px;
    background: var(--border);
}
.divider::before { left: 0; }
.divider::after  { right: 0; }

/* ── Links ── */
.auth-link {
    text-align: center;
    margin-top: 24px;
    font-size: .85rem;
    color: var(--muted);
}
.auth-link a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    transition: opacity .2s;
}
.auth-link a:hover { opacity: .7; }

/* ── Check de recordar sesión ── */
.check-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .85rem;
    color: var(--muted);
    cursor: pointer;
}
.check-row input[type="checkbox"] {
    appearance: none;
    width: 18px; height: 18px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: rgba(0,0,0,.3);
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    position: relative;
    transition: border-color .2s, background .2s;
}
.check-row input[type="checkbox"]:checked {
    background: var(--accent);
    border-color: var(--accent);
}
.check-row input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: .75rem;
    font-weight: 900;
}

/* ── Responsivo ── */
@media (max-width: 480px) {
    .auth-card { margin: 16px; padding: 36px 24px 28px; }
}