/* ============================================================
   SIGEP — Estilos de la vista de Login
   ============================================================ */

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #0a0d12 0%, #141b2d 60%, #1a2640 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 20px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
    padding: 2.5rem 2rem;
}

.login-logo {
    width: 100%;
    max-width: 320px;
    height: auto;
    border-radius: 10px;
    display: block;
    margin: 0 auto;
}

.login-card h2 {
    color: #f1f5f9;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.login-card p.subtitle {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
}

.form-label {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
}

.form-control {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: #f1f5f9;
    padding: 0.65rem 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control::placeholder { color: rgba(255,255,255,0.25); }

.form-control:focus {
    background: rgba(255, 255, 255, 0.09);
    border-color: #4f8ef0;
    box-shadow: 0 0 0 3px rgba(79, 142, 240, 0.18);
    color: #f1f5f9;
}

.input-group-text {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-right: none;
    color: rgba(255, 255, 255, 0.4);
    border-radius: 10px 0 0 10px;
}

.input-group .form-control {
    border-left: none;
    border-radius: 0 10px 10px 0;
}

.input-group:focus-within .input-group-text {
    border-color: #4f8ef0;
}

.btn-login {
    background: linear-gradient(135deg, #1d4ed8, #4f8ef0);
    border: none;
    border-radius: 10px;
    padding: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    font-size: 0.95rem;
    color: #fff;
    transition: opacity 0.2s, transform 0.15s;
    box-shadow: 0 6px 20px rgba(79, 142, 240, 0.28);
}

.btn-login:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: #fff;
}

.btn-login:active { transform: translateY(0); }

.divider { border-color: rgba(255, 255, 255, 0.08); }

.alert-danger {
    background: rgba(233, 69, 96, 0.12);
    border: 1px solid rgba(233, 69, 96, 0.28);
    color: #f8a5b3;
    border-radius: 10px;
    font-size: 0.875rem;
}

.toggle-password {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-left: none;
    border-radius: 0 10px 10px 0;
    color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    padding: 0 0.85rem;
}

.toggle-password:hover { color: rgba(255,255,255,0.8); }

.footer-text {
    color: rgba(255, 255, 255, 0.25);
    font-size: 0.78rem;
    text-align: center;
    margin-top: 1.5rem;
}