/* =============================================
   Auth Pages (Login/Register/Forgot/Reset/Verify)
   Estilo Corporativo Premium
   ============================================= */

:root {
    --primary: #1e3a5f;
    --primary-light: #2c5282;
    --primary-dark: #0f172a;
    --accent: #c9a84c;
    --accent-hover: #b8943f;
    --bg: #f1f5f9;
    --card-bg: rgba(255,255,255,0.92);
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
    --radius: 20px;
    --radius-sm: 12px;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 40%, #2c5282 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(201,168,76,0.12) 0%, transparent 70%);
    pointer-events: none;
}

body::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(44,82,130,0.15) 0%, transparent 70%);
    pointer-events: none;
}

/* Tarjeta principal */
.login-card, .register-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--radius);
    padding: 48px 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,0.3);
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
}

.register-card { max-width: 460px; }

/* Logo / Icono */
.logo { text-align: center; margin-bottom: 36px; }
.logo i {
    font-size: 52px;
    background: linear-gradient(135deg, var(--accent), #e8c87a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.logo h1 {
    color: var(--primary-dark);
    font-size: 26px;
    margin-top: 14px;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.logo p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}

/* Grupos de input */
.input-group { margin-bottom: 22px; }
.input-group label {
    display: block;
    color: var(--text);
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.input-wrapper { position: relative; }
.input-wrapper i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 15px;
    transition: var(--transition);
}

.input-wrapper input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    background: #fafafa;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 15px;
    transition: var(--transition);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(30,58,95,0.08);
}

.input-wrapper input:focus + i,
.input-wrapper:focus-within i {
    color: var(--primary);
}

/* Botones */
.login-btn, .register-btn, .btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(30,58,95,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-btn:hover, .register-btn:hover, .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30,58,95,0.35);
    filter: brightness(1.05);
}

.login-btn:disabled, .register-btn:disabled, .btn-submit:disabled {
    background: #94a3b8;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Links */
.register-link, .login-link, .forgot-link, .back-link {
    text-align: center;
    margin-top: 22px;
    color: var(--text-muted);
    font-size: 14px;
}

.register-link a, .login-link a, .forgot-link a, .back-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.register-link a:hover, .login-link a:hover, .forgot-link a:hover, .back-link a:hover {
    color: var(--accent);
}

.forgot-link { margin-top: 14px; font-size: 13px; }
.forgot-link a { color: var(--text-muted); font-weight: 500; }

/* Mensajes */
.error-message, .success-message, .msg {
    border-radius: var(--radius-sm);
    padding: 14px;
    margin-bottom: 22px;
    font-size: 14px;
    display: none;
    text-align: center;
    font-weight: 500;
}

.error-message, .msg.error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.success-message, .msg.success {
    background: #f0fdf4;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}

/* Spinner */
.loading-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.6);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Reenviar verificación */
#resend-wrapper { display: none; text-align: center; margin-bottom: 20px; }
#resend-btn {
    background: none;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}

#resend-btn:hover {
    background: var(--primary);
    color: white;
}

/* Página de verificación */
.verify-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--radius);
    padding: 48px 40px;
    max-width: 440px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,0.3);
    position: relative;
    z-index: 1;
}

.verify-card .icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.verify-card .icon.success { color: #16a34a; }
.verify-card .icon.error { color: #dc2626; }
.verify-card .icon.expired { color: #f59e0b; }

.verify-card h2 {
    color: var(--primary-dark);
    margin-bottom: 12px;
    font-size: 24px;
}

.verify-card p {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 15px;
    line-height: 1.6;
}

.verify-card a.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    text-decoration: none;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(30,58,95,0.25);
}

.verify-card a.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30,58,95,0.35);
}

/* Responsive */
@media (max-width: 480px) {
    .login-card, .register-card, .verify-card {
        padding: 32px 24px;
        border-radius: 16px;
    }
    .logo h1 { font-size: 22px; }
}