/* Glass Login Overlay */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

.login-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: translateY(0);
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-glow);
}

.login-header h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.login-error {
    color: var(--accent-danger);
    font-size: 0.875rem;
    text-align: center;
    display: none;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.input-field.error {
    border-color: var(--accent-danger);
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

.btn-full {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* Blur effect for main content */
.blur-content {
    filter: blur(10px);
    pointer-events: none;
    user-select: none;
}