/* ============================================================
   Synapse — Páginas de acceso: login y restablecer contraseña
   index.php · reset-password.php (marco en includes/header-acceso.php;
   cargan tokens, base, componentes y utilidades + este archivo)
   ============================================================ */

@property --angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

/* La tarjeta se centra con margin: auto (ver .login-wrap): si no entra en la
   pantalla (panel de recuperación abierto, móvil) la página hace scroll normal.
   Los orbes son fixed, así que no generan desplazamiento. */
.page-login {
    display: flex;
    overflow-x: hidden;
}

/* ── Atmósfera de fondo ──────────────────────────────────── */
.login-orb {
    position: fixed;
    z-index: 0;
    border-radius: var(--radius-round);
    filter: blur(100px);
    pointer-events: none;
    animation: login-float var(--dur, 20s) ease-in-out infinite;
}
.login-orb--1 {
    --dur: 22s;
    top: -250px;
    left: -150px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%);
}
.login-orb--2 {
    --dur: 28s;
    right: -120px;
    bottom: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent-strong) 7%, transparent), transparent 70%);
    animation-delay: -12s;
}
.login-orb--3 {
    --dur: 17s;
    top: 55%;
    left: 65%;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent) 5%, transparent), transparent 70%);
    animation-delay: -6s;
}
@keyframes login-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(40px, -50px) scale(1.06); }
    66%      { transform: translate(-25px, 30px) scale(0.94); }
}

.login-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(color-mix(in srgb, var(--text-primary) 2%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--text-primary) 2%, transparent) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black 0%, transparent 100%);
    mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black 0%, transparent 100%);
}

/* ── Contenedor y marca ──────────────────────────────────── */
.login-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    margin: auto;
    padding: var(--space-5);
}

.login-logo { display: flex; flex-direction: column; align-items: center; margin-bottom: var(--space-8); }
.login-logo__halo { position: relative; display: inline-flex; align-items: center; justify-content: center; }
.login-logo__halo::before {
    content: '';
    position: absolute;
    inset: -20px 0;
    background: radial-gradient(ellipse 80% 60% at 50% 50%, color-mix(in srgb, var(--accent) 12%, transparent) 0%, transparent 70%);
    pointer-events: none;
    animation: login-halo 3.5s ease-in-out infinite;
}
@keyframes login-halo {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50%      { opacity: 1; transform: scale(1.06); }
}
.login-logo__img {
    position: relative;
    width: 220px;
    height: auto;
    filter: drop-shadow(0 0 18px color-mix(in srgb, var(--accent) 22%, transparent)) drop-shadow(var(--drop-shadow));
    animation: login-breathe 4s ease-in-out infinite;
}
@keyframes login-breathe {
    0%, 100% { filter: drop-shadow(0 0 14px color-mix(in srgb, var(--accent) 18%, transparent)) drop-shadow(var(--drop-shadow)); }
    50%      { filter: drop-shadow(0 0 28px color-mix(in srgb, var(--accent) 35%, transparent)) drop-shadow(var(--drop-shadow)); }
}
.login-logo__sub {
    margin-top: var(--space-3);
    font-size: var(--fs-2xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ── Tarjeta con borde giratorio ─────────────────────────── */
.login-shell {
    position: relative;
    padding: 2px;  /* grosor del borde visible */
    border-radius: calc(var(--radius-2xl) + 2px);
    isolation: isolate;
}
.login-shell::before,
.login-shell::after {
    content: '';
    position: absolute;
    border-radius: inherit;
    animation: login-spin 5s linear infinite;
}
.login-shell::before {
    inset: 0;
    z-index: 0;
    background: conic-gradient(from var(--angle),
        transparent 0deg, transparent 65deg,
        color-mix(in srgb, var(--accent) 6%, transparent) 85deg,
        color-mix(in srgb, var(--accent) 50%, transparent) 110deg,
        var(--accent) 130deg,
        color-mix(in srgb, var(--accent) 50%, transparent) 150deg,
        color-mix(in srgb, var(--accent) 6%, transparent) 170deg,
        transparent 195deg, transparent 360deg);
}
.login-shell::after {
    inset: -6px;
    z-index: -1;
    border-radius: calc(var(--radius-2xl) + 8px);
    background: conic-gradient(from var(--angle),
        transparent 0deg, transparent 80deg,
        color-mix(in srgb, var(--accent) 4%, transparent) 105deg,
        color-mix(in srgb, var(--accent) 18%, transparent) 130deg,
        color-mix(in srgb, var(--accent) 4%, transparent) 155deg,
        transparent 180deg, transparent 360deg);
    filter: blur(12px);
}
@keyframes login-spin { to { --angle: 360deg; } }

.login-card {
    position: relative;
    z-index: 1;
    padding: var(--space-8);
    background: var(--card-gradient);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl), inset 0 1px 0 var(--bg-hover), inset 0 -1px 0 var(--bg-sunken);
}
.login-card__title {
    margin-bottom: var(--space-1);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    letter-spacing: var(--tracking-tight);
}
.login-card__sub { margin-bottom: var(--space-6); font-size: var(--fs-sm); }

/* ── Campos ──────────────────────────────────────────────── */
.login-field { margin-bottom: var(--space-4); }
.login-field__label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--fs-2xs);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--tracking-caps);
    text-transform: uppercase;
}
.login-field__wrap { position: relative; }
.login-field__icon,
.login-field__toggle {
    position: absolute;
    top: 50%;
    display: flex;
    align-items: center;
    color: var(--text-placeholder);
    transform: translateY(-50%);
    transition: color var(--transition);
}
.login-field__icon { left: var(--space-5); pointer-events: none; }
.login-field__wrap:focus-within .login-field__icon { color: var(--accent); }

.login-field__toggle { right: var(--space-5); padding: 0; background: none; border: none; cursor: pointer; }
.login-field__toggle:hover { color: var(--text-primary); }
.login-field__toggle.is-active { color: var(--accent); }

/* Campo píldora, igual que los controles de la app (.form-control) */
.login-input {
    width: 100%;
    height: 48px;
    padding: 0 var(--space-5) 0 46px;
    background: var(--bg-input);
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    color: var(--text-primary);
    font-size: var(--fs-md);
    font-weight: var(--fw-medium);
    outline: none;
    caret-color: var(--accent);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.login-input::placeholder { color: var(--text-placeholder); }
.login-input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}
.login-input--toggle { padding-right: 50px; }

/* Enlaces de texto: "¿Olvidaste tu contraseña?" (derecha) y "Volver…" (centro) */
.login-forgot { margin: calc(-1 * var(--space-2)) 0 var(--space-5); text-align: right; }
.login-back   { margin-top: var(--space-5); text-align: center; }
.login-forgot a,
.login-back a { font-size: var(--fs-xs); color: var(--text-primary); transition: color var(--transition); }
.login-forgot a:hover,
.login-back a:hover { color: var(--accent); opacity: 1; }

/* ── Avisos: error (por defecto) o éxito con .tone-success [tone] ── */
.login-alert {
    --tone: var(--danger);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: color-mix(in srgb, var(--tone) var(--tint-subtle), transparent);
    border: 1px solid color-mix(in srgb, var(--tone) var(--tint-soft), transparent);
    border-radius: var(--radius-lg);
    color: var(--tone);
    font-size: var(--fs-sm);
    line-height: var(--lh-tight);
}
.login-alert--error { animation: login-shake 0.35s ease; }
@keyframes login-shake {
    0%, 100% { transform: translateX(0); }
    20%      { transform: translateX(-5px); }
    40%      { transform: translateX(5px); }
    60%      { transform: translateX(-4px); }
    80%      { transform: translateX(4px); }
}

/* ── Botón principal con brillo ──────────────────────────── */
/* Píldora dorada, como .btn--primary, con un brillo que la recorre.
   Sirve como <button> o como <a> ("Ir a iniciar sesión"). */
.login-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 48px;
    overflow: hidden;
    border: none;
    border-radius: var(--radius-pill);
    background: var(--gold-gradient);
    box-shadow: var(--shadow-glow);
    color: var(--on-accent);
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    transition: box-shadow 0.3s, transform var(--transition);
}
.login-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 0%, transparent 35%,
        color-mix(in srgb, var(--text-primary) 38%, transparent) 50%, transparent 65%, transparent 100%);
    background-size: 250% 100%;
    animation: login-shimmer 3.5s ease-in-out infinite;
}
@keyframes login-shimmer {
    0%, 100% { background-position: 200% 0; }
    50%      { background-position: -100% 0; }
}
.login-btn__label {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}
.login-btn:hover {
    box-shadow: 0 0 40px color-mix(in srgb, var(--accent) 28%, transparent), var(--shadow-md);
    color: var(--on-accent);
    opacity: 1;
    transform: translateY(-1px);
}
.login-btn:active { transform: translateY(0) scale(0.985); }

/* ── Recuperar contraseña ────────────────────────────────── */
.login-sep {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-6) 0 var(--space-4);
}
.login-sep::before,
.login-sep::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.login-sep span {
    flex-shrink: 0;
    font-size: var(--fs-2xs);
    color: var(--text-faint);
    letter-spacing: var(--tracking-caps);
    text-transform: uppercase;
}

.login-recover { margin-top: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--border); }
.login-recover__title { margin-bottom: var(--space-2); font-size: var(--fs-md); font-weight: var(--fw-semibold); color: var(--text-secondary); }
.login-recover__text  { margin-bottom: var(--space-3); font-size: var(--fs-xs); line-height: var(--lh-base); }
.login-recover__msg   { margin-bottom: var(--space-3); font-size: var(--fs-sm); line-height: var(--lh-base); color: var(--accent); }

.login-recover-btn {
    width: 100%;
    height: 42px;
    margin-top: var(--space-2);
    background: var(--bg-glass);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-pill);
    color: var(--text-muted);
    font-size: var(--fs-md);
    font-weight: var(--fw-medium);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.login-recover-btn:hover { background: var(--bg-glass-hover); border-color: var(--border-light); color: var(--text-secondary); }

.login-footer {
    margin-top: var(--space-6);
    text-align: center;
    font-size: var(--fs-2xs);
    color: var(--text-faint);
    letter-spacing: var(--tracking-wide);
}

@media (max-width: 600px) {
    .login-card  { padding: var(--space-6) var(--space-5); }
    .login-shell { margin: 0 calc(-1 * var(--space-1)); }
}