/* =============================================================
   Login Page Styles
   ============================================================= */

.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.login-body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: var(--gradient-radial-glow);
    animation: pulseGlow 6s ease-in-out infinite;
    z-index: 0;
}

.login-back {
    position: fixed;
    top: 30px;
    left: 30px;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--gray-300);
    z-index: 5;
    transition: var(--transition);
}
.login-back:hover { color: var(--gold); }

.login-wrapper {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 460px;
    padding: 24px;
}

.login-card {
    padding: 50px 40px;
    border-radius: var(--radius-lg);
}

.login-brand { text-align: center; margin-bottom: 34px; }
.login-brand .brand-mark {
    width: 56px;
    height: 56px;
    margin: 0 auto 18px;
    font-size: 18px;
}
.login-brand h1 {
    font-family: var(--font-display);
    font-size: 26px;
    letter-spacing: 3px;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.login-brand p { color: var(--gray-300); font-size: 13px; margin-top: 8px; letter-spacing: 0.5px; }

.login-form .form-group { margin-bottom: 22px; }
.login-form label {
    display: block;
    font-size: 13px;
    letter-spacing: 0.5px;
    color: var(--gray-300);
    margin-bottom: 8px;
}

.login-form input {
    width: 100%;
    padding: 15px 18px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 14.5px;
    transition: var(--transition);
}

.login-form input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212,175,55,0.15);
}

.login-form input::placeholder { color: var(--gray-500); }

.password-wrap { position: relative; }
.toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 15px;
    opacity: 0.7;
}
.toggle-password:hover { opacity: 1; }

.login-form .btn { margin-top: 8px; position: relative; }

.btn-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(0,0,0,0.25);
    border-top-color: var(--black);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.login-form.submitting .btn-label { opacity: 0; position: absolute; }
.login-form.submitting .btn-spinner { display: inline-block; }

.login-demo-note {
    text-align: center;
    margin-top: 26px;
    font-size: 12.5px;
    color: var(--gray-500);
    line-height: 1.6;
}
.login-demo-note strong { color: var(--gold); }

/* Alerts */
.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    margin-bottom: 24px;
    animation: alertIn 0.5s ease;
}
.alert-error { background: rgba(220, 60, 60, 0.12); border: 1px solid rgba(220,60,60,0.4); color: #ff9b9b; }
.alert-info { background: rgba(212,175,55,0.1); border: 1px solid var(--glass-border); color: var(--gold-light); }
.alert-icon { font-size: 16px; }

@keyframes alertIn {
    from { opacity: 0; transform: translateY(-10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.shake { animation: shakeCard 0.5s ease; }
@keyframes shakeCard {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-6px); }
    80% { transform: translateX(6px); }
}

@media (max-width: 480px) {
    .login-card { padding: 40px 26px; }
}