/* ================================================================
   CORPRISEG — Sistema de Autenticación (tema claro)
   ================================================================ */

:root {
    --clr-bg:          #f0f2f5;
    --clr-card:        #ffffff;
    --clr-card-alt:    #f8f9fa;
    --clr-border:      #e2e6ea;
    --clr-input:       #ffffff;
    --clr-input-bg:    #f8f9fb;
    --clr-red:         #cc0000;
    --clr-red-hover:   #aa0000;
    --clr-red-glow:    rgba(204, 0, 0, 0.12);
    --clr-text:        #1a1a1a;
    --clr-muted:       #6b7280;
    --clr-dim:         #9ca3af;
    --clr-success:     #16a34a;
    --clr-error:       #dc2626;
    --clr-warning:     #d97706;
    --clr-info:        #2563eb;
    --radius:          16px;
    --radius-sm:       10px;
    --shadow:          0 4px 6px rgba(0,0,0,0.05), 0 20px 40px rgba(0,0,0,0.08);
    --transition:      0.25s ease;
}

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

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

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--clr-bg);
    color: var(--clr-text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    position: relative;
}

/* Patrón de fondo sutil */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(204,0,0,0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(204,0,0,0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ================================================================
   LAYOUT
   ================================================================ */
.auth-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background: var(--clr-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* Barra roja superior */
.auth-card-top {
    height: 4px;
    background: linear-gradient(90deg, #880000 0%, var(--clr-red) 50%, #880000 100%);
}

/* ================================================================
   LOGO
   ================================================================ */
.auth-logo {
    padding: 2.25rem 2rem 1.75rem;
    text-align: center;
    border-bottom: 1px solid var(--clr-border);
    background: #fff;
}

.auth-logo img {
    max-width: 220px;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* ================================================================
   PASOS
   ================================================================ */
.auth-step {
    padding: 2rem;
    display: none;
    background: var(--clr-card);
}

.auth-step.active {
    display: block;
    animation: fadeSlideIn var(--transition) both;
}

@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ================================================================
   TIPOGRAFÍA
   ================================================================ */
.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--clr-text);
    margin-bottom: 0.35rem;
}

.step-subtitle {
    font-size: 0.875rem;
    color: var(--clr-muted);
    line-height: 1.6;
    margin-bottom: 1.75rem;
}

.step-subtitle strong {
    color: var(--clr-text);
    font-weight: 600;
}

/* ================================================================
   FORMULARIO
   ================================================================ */
.form-group { margin-bottom: 1.1rem; }

.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--clr-muted);
    margin-bottom: 0.45rem;
}

.input-wrapper { position: relative; }

.input-icon {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--clr-dim);
    display: flex;
    align-items: center;
    pointer-events: none;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 2.75rem;
    background: var(--clr-input-bg);
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-sm);
    color: var(--clr-text);
    font-size: 0.9375rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.form-control::placeholder { color: var(--clr-dim); }

.form-control:focus {
    background: #fff;
    border-color: var(--clr-red);
    box-shadow: 0 0 0 3px var(--clr-red-glow);
}

.form-control.has-toggle { padding-right: 3rem; }

/* Oculta el ojito nativo de Edge para inputs password (duplica nuestro btn-toggle-pass) */
input[type="password"]::-ms-reveal,
input[type="password"]::-ms-clear {
    display: none;
}

/* Toggle contraseña */
.btn-toggle-pass {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--clr-dim);
    display: flex;
    align-items: center;
    padding: 0.25rem;
    transition: color var(--transition);
    border-radius: 4px;
}

.btn-toggle-pass:hover { color: var(--clr-muted); }

/* ================================================================
   BOTONES
   ================================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border: 1.5px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    width: 100%;
    letter-spacing: 0.01em;
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background: var(--clr-red);
    color: #fff;
    border-color: var(--clr-red);
}

.btn-primary:hover {
    background: var(--clr-red-hover);
    border-color: var(--clr-red-hover);
    box-shadow: 0 4px 16px rgba(204,0,0,0.3);
    transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); box-shadow: none; }

.btn-ghost {
    background: transparent;
    color: var(--clr-muted);
    border-color: var(--clr-border);
}

.btn-ghost:hover {
    background: var(--clr-card-alt);
    color: var(--clr-text);
    border-color: #ccc;
}

/* Spinner de carga */
.btn-spinner {
    display: none;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.65s linear infinite;
    flex-shrink: 0;
}

.btn.loading .btn-spinner { display: block; }
.btn.loading .btn-text    { opacity: 0.75; }

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

/* ================================================================
   ALERTAS
   ================================================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    line-height: 1.55;
    margin-bottom: 1.1rem;
    animation: fadeSlideIn var(--transition) both;
}

.alert svg { flex-shrink: 0; margin-top: 1px; }

.alert-error   { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.alert-info    { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; }
.alert-warning { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; }

/* Caja modo DEV */
.dev-code-box {
    display: none;
    align-items: center;
    gap: 0.6rem;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 1.1rem;
    font-size: 0.875rem;
    color: #92400e;
}

.dev-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: #fef3c7;
    border: 1px solid #fcd34d;
    color: #92400e;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    flex-shrink: 0;
}

/* ================================================================
   OTP — Cajas de dígitos
   ================================================================ */
.otp-container {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    margin: 1.5rem 0 0.5rem;
}

.otp-input {
    width: 52px;
    height: 58px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    background: var(--clr-input-bg);
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-sm);
    color: var(--clr-text);
    transition: all var(--transition);
    outline: none;
    caret-color: var(--clr-red);
    -webkit-appearance: none;
    appearance: none;
    -moz-appearance: textfield;
}

.otp-input::-webkit-outer-spin-button,
.otp-input::-webkit-inner-spin-button { -webkit-appearance: none; }

.otp-input:focus {
    border-color: var(--clr-red);
    box-shadow: 0 0 0 3px var(--clr-red-glow);
    background: #fff;
}

.otp-input.filled {
    border-color: rgba(204,0,0,0.4);
    background: #fff8f8;
    color: var(--clr-red);
}

.otp-input.shake {
    border-color: var(--clr-error);
    background: #fef2f2;
    animation: shake 0.45s ease;
}

@keyframes shake {
    0%,100% { transform: translateX(0); }
    20%      { transform: translateX(-6px); }
    40%      { transform: translateX(6px); }
    60%      { transform: translateX(-4px); }
    80%      { transform: translateX(4px); }
}

/* ================================================================
   INDICADOR DE INTENTOS
   ================================================================ */
.attempts-dots {
    display: flex;
    gap: 0.45rem;
    justify-content: center;
    margin: 0.75rem 0;
    min-height: 12px;
}

.attempt-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #e5e7eb;
    transition: background var(--transition);
}

.attempt-dot.used { background: var(--clr-error); }

/* ================================================================
   REENVÍO
   ================================================================ */
.resend-section {
    text-align: center;
    margin-top: 1.25rem;
}

.resend-section > p {
    font-size: 0.8125rem;
    color: var(--clr-muted);
    margin-bottom: 0.4rem;
}

.btn-resend {
    background: none;
    border: none;
    color: var(--clr-red);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    padding: 0.2rem 0;
    transition: color var(--transition);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.btn-resend:hover { color: var(--clr-red-hover); }
.btn-resend:disabled {
    color: var(--clr-dim);
    cursor: not-allowed;
    text-decoration: none;
}

.resend-timer {
    font-size: 0.8rem;
    color: var(--clr-dim);
    font-weight: 400;
}

/* ================================================================
   SEPARADOR Y ACCIONES
   ================================================================ */
.step-divider {
    height: 1px;
    background: var(--clr-border);
    margin: 1.5rem 0;
}

.actions-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* ================================================================
   FOOTER
   ================================================================ */
.auth-footer {
    padding: 0.875rem 2rem 1.5rem;
    text-align: center;
}

.auth-footer p {
    font-size: 0.78rem;
    color: var(--clr-dim);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 480px) {
    body { padding: 0.75rem; align-items: flex-start; padding-top: 1.5rem; }
    .auth-logo { padding: 1.75rem 1.5rem 1.25rem; }
    .auth-logo img { max-width: 180px; }
    .auth-step { padding: 1.5rem; }
    .otp-input { width: 42px; height: 50px; font-size: 1.25rem; }
    .otp-container { gap: 0.45rem; }
    .actions-row { grid-template-columns: 1fr; }
}

@media (max-width: 360px) {
    .otp-input { width: 36px; height: 44px; font-size: 1.1rem; }
    .otp-container { gap: 0.35rem; }
}

/* ================================================================
   ELEMENTOS CON ESTADO INICIAL OCULTO O ESTILOS ESPECÍFICOS
   ================================================================ */
#form-credentials .btn-primary { margin-top: .5rem; }

#otp-subtitle-push,
#otp-subtitle-email { display: none; }

#dev-otp-banner {
    display: none;
    background: #fff3cd;
    border: 1px solid #ffc107;
    color: #856404;
    padding: 0.6rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 0.75rem;
    letter-spacing: 0.05em;
}

#btn-keep-pass {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: transparent;
    border: 1.5px solid #d0d0d0;
    border-radius: 8px;
    color: #666;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    line-height: 1.4;
    text-align: center;
    transition: background 0.2s, border-color 0.2s;
}
#btn-keep-pass:hover { background: #f5f5f5; }
#btn-keep-pass svg { flex-shrink: 0; }