/* Login Container */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    padding: 2rem;
}

.login-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 450px;
    padding: 2.5rem;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    color: var(--primary-500);
}

.login-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: var(--gray-900);
}

.login-header p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin: 0;
}

/* Login Form */
.login-card .form-group {
    margin-bottom: 1.5rem;
}

.login-card .form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.login-card .form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: all 0.2s;
}

.login-card .form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(0, 77, 147, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
}

/* Login Footer */
.login-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.login-footer .link {
    color: var(--primary-500);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.login-footer .link:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

.login-footer .separator {
    margin: 0 0.5rem;
    color: var(--gray-400);
}

/* Two-Factor Authentication */
.two-factor-form {
    padding: 0;
}

.two-factor-header {
    text-align: center;
    margin-bottom: 2rem;
}

.two-factor-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 1rem 0 0.5rem;
    color: var(--gray-900);
}

.two-factor-header p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin: 0;
}

/* Code Input */
.code-input-group {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.code-input {
    width: 3rem;
    height: 3.5rem;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all 0.2s;
}

.code-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(0, 77, 147, 0.1);
}

.code-input.focused {
    border-color: var(--primary-500);
}

.code-input:disabled {
    background-color: var(--gray-100);
    cursor: not-allowed;
}

/* Two-Factor Help */
.two-factor-help {
    margin-top: 1.5rem;
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.two-factor-help p {
    margin: 0 0 0.5rem;
}

.two-factor-help .link {
    color: var(--primary-500);
    text-decoration: none;
    font-weight: 500;
}

.two-factor-help .link:hover {
    text-decoration: underline;
}

/* Button Group */
.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.button-group .btn {
    flex: 1;
}

/* Alert in Login */
.login-card .alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

/* Mobile Responsiveness */
@media (max-width: 480px) {
    .login-container {
        padding: 1rem;
    }

    .login-card {
        padding: 1.5rem;
    }

    .code-input {
        width: 2.5rem;
        height: 3rem;
        font-size: 1.25rem;
    }

    .code-input-group {
        gap: 0.5rem;
    }

    .button-group {
        flex-direction: column;
    }

    .button-group .btn {
        width: 100%;
    }
}

/* Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Icon sizes */
.icon-lg {
    width: 3rem;
    height: 3rem;
}