@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
    --login-body-bg: #f8f9fa;
    --login-body-color: #1f2937;
    --login-card-bg: #ffffff;
    --login-card-color: #1f2937;
    --login-card-border: rgba(15, 23, 42, 0.08);
    --login-card-shadow: 0 18px 40px -18px rgba(15, 23, 42, 0.35);
    --login-input-bg: #ffffff;
    --login-input-border: rgba(100, 116, 139, 0.35);
    --login-input-color: #0f172a;
    --login-input-placeholder: rgba(100, 116, 139, 0.75);
    --login-muted: #6b7280;
    --login-focus-ring: rgba(13, 110, 253, 0.25);
    --login-button-bg: #0d6efd;
    --login-button-hover-bg: #0b5ed7;
    --login-button-color: #ffffff;
}

[data-bs-theme="dark"] {
    --login-body-bg: #111827;
    --login-body-color: #e2e8f0;
    --login-card-bg: #1c2333;
    --login-card-color: #e5e7eb;
    --login-card-border: rgba(148, 163, 184, 0.12);
    --login-card-shadow: 0 20px 50px -22px rgba(15, 23, 42, 0.7);
    --login-input-bg: #111827;
    --login-input-border: rgba(148, 163, 184, 0.35);
    --login-input-color: #e2e8f0;
    --login-input-placeholder: rgba(148, 163, 184, 0.75);
    --login-muted: #94a3b8;
    --login-focus-ring: rgba(96, 165, 250, 0.35);
    --login-button-bg: #2563eb;
    --login-button-hover-bg: #1d4ed8;
    --login-button-color: #f8fafc;
}

.login-page-body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1.5rem;
    background-color: var(--login-body-bg);
    color: var(--login-body-color);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.login-card {
    background-color: var(--login-card-bg);
    color: var(--login-card-color);
    border-radius: 18px;
    border: 1px solid var(--login-card-border);
    box-shadow: var(--login-card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: loginCardFade 0.8s ease forwards;
}

.login-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 55px -24px rgba(37, 99, 235, 0.45);
}

.login-page-body .card-title {
    color: inherit;
    font-weight: 600;
}

.login-page-body .form-label {
    font-weight: 500;
}

.login-page-body .form-control {
    background-color: var(--login-input-bg);
    border: 1px solid var(--login-input-border);
    color: var(--login-input-color);
    border-radius: 10px;
    padding: 0.65rem 0.75rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.login-page-body .form-control::placeholder {
    color: var(--login-input-placeholder);
}

.login-page-body .form-control:focus {
    background-color: var(--login-input-bg);
    border-color: transparent;
    box-shadow: 0 0 0 3px var(--login-focus-ring);
    color: var(--login-input-color);
}

.login-page-body .btn-primary {
    background-color: var(--login-button-bg);
    border: none;
    border-radius: 10px;
    color: var(--login-button-color);
    font-weight: 600;
    padding: 0.65rem 1rem;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.login-page-body .btn-primary:hover,
.login-page-body .btn-primary:focus {
    background-color: var(--login-button-hover-bg);
    transform: translateY(-1px);
}

.login-page-body .alert {
    border-radius: 10px;
    font-size: 0.9rem;
}

.login-page-body .text-muted {
    color: var(--login-muted) !important;
}

@keyframes loginCardFade {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 2rem 1.5rem;
    }
}