/* Login Layout Styles */
:root {
    --login-bg-start: #f5f7fa;
    --login-bg-end: #e8eef5;
    --login-card-bg: #ffffff;
    --login-header-bg-start: rgba(255, 255, 255, 0.9);
    --login-header-bg-end: rgba(248, 250, 252, 0.9);
    --login-border: rgba(0, 0, 0, 0.05);
    --login-title-color: #1f2937;
    --login-text-color: #374151;
    --login-text-muted: #6b7280;
    --login-footer-bg: rgba(248, 250, 252, 0.5);
    --login-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --login-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
    --logo-gradient-start: #667eea;
    --logo-gradient-end: #764ba2;
    --logo-shadow: rgba(102, 126, 234, 0.3);
}

[data-theme="dark"] {
    --login-bg-start: #0f172a;
    --login-bg-end: #1e293b;
    --login-card-bg: #1e293b;
    --login-header-bg-start: rgba(30, 41, 59, 0.95);
    --login-header-bg-end: rgba(15, 23, 42, 0.95);
    --login-border: rgba(255, 255, 255, 0.1);
    --login-title-color: #f1f5f9;
    --login-text-color: #e2e8f0 !important;
    --login-text-muted: #94a3b8 !important;
    --login-footer-bg: rgba(15, 23, 42, 0.5);
    --login-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --login-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.6);
    --logo-gradient-start: #818cf8;
    --logo-gradient-end: #a78bfa;
    --logo-shadow: rgba(129, 140, 248, 0.3);
}

.login-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--login-bg-start) 0%, var(--login-bg-end) 100%);
    padding: 1rem;
    transition: background 0.3s ease;
}

.login-container {
    width: 100%;
    max-width: 480px;
    background: var(--login-card-bg);
    border-radius: 16px;
    box-shadow: var(--login-shadow);
    overflow: hidden;
    transition: all 0.3s ease;
    animation: slideIn 0.4s ease-out;
}

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

.login-container:hover {
    box-shadow: var(--login-shadow-hover);
}

.login-header {
    text-align: center;
    padding: 3rem 2rem 2rem;
    background: linear-gradient(135deg, var(--login-header-bg-start) 0%, var(--login-header-bg-end) 100%);
    border-bottom: 1px solid var(--login-border);
    transition: all 0.3s ease;
}

.login-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 12px;
    margin: 0 auto 1rem;
    display: block;
    transition: transform 0.3s ease;
}

.login-logo:hover {
    transform: scale(1.05);
}

.login-logo-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.brain-icon {
    filter: drop-shadow(0 4px 12px var(--logo-shadow));
    transition: transform 0.3s ease;
}

.brain-icon:hover {
    transform: scale(1.05);
}

.login-logo-placeholder {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--logo-gradient-start) 0%, var(--logo-gradient-end) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--logo-shadow);
    transition: transform 0.3s ease;
}

.login-logo-placeholder:hover {
    transform: scale(1.05);
}

.logo-text {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
}

.login-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--login-title-color);
    margin: 0;
    transition: color 0.3s ease;
}

.login-content {
    padding: 2rem;
    color: var(--login-text-color);
}

.login-footer {
    padding: 1.5rem 2rem;
    background: var(--login-footer-bg);
    border-top: 1px solid var(--login-border);
    text-align: center;
    transition: all 0.3s ease;
}

.footer-text {
    margin: 0;
    font-size: 0.875rem;
    color: var(--login-text-muted);
    transition: color 0.3s ease;
}

/* Responsive */
@media (max-width: 640px) {
    .login-container {
        border-radius: 0;
    }

    .login-header {
        padding: 2rem 1.5rem 1.5rem;
    }

    .login-content {
        padding: 1.5rem;
    }

    .login-logo,
    .login-logo-placeholder,
    .brain-icon {
        width: 64px;
        height: 64px;
    }

    .logo-text {
        font-size: 1.5rem;
    }

    .login-title {
        font-size: 1.5rem;
    }
}