.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    padding-top: 80px;
    /* Navbar height (50px) + spacing */
    background-color: var(--color-surface);
}

.login-content {
    width: 100%;
    max-width: 400px;
    background: white;
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

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

.login-header h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.login-header p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.login-form .form-group {
    margin-bottom: var(--spacing-md);
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-text-main);
    font-size: 0.9rem;
}

.login-form label .required {
    color: #ef4444;
    margin-left: 2px;
}

.terms-group {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.terms-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
}

.terms-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
}

.terms-checkbox label {
    font-size: 0.9rem;
    color: var(--color-text-main);
    cursor: pointer;
    margin-bottom: 0;
    /* Override default label margin */
}

.terms-link {
    color: var(--color-primary);
    text-decoration: underline;
    font-weight: 600;
}

.login-form input {
    width: 100%;
    padding: 12px;
    padding-right: 40px;
    /* Space for char count */
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.input-wrapper {
    position: relative;
}

.char-count {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 0.8rem;
    pointer-events: none;
}

.login-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.1);
}

.validation-message {
    font-size: 0.8rem;
    margin-top: 4px;
    min-height: 1.2em;
}

.validation-message.error {
    color: #ef4444;
}

.validation-message.success {
    color: #22c55e;
}

.btn-login {
    width: 100%;
    margin-top: var(--spacing-sm);
    padding: 14px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-login:disabled {
    background-color: #64748b;
    border-color: #64748b;
    color: #cbd5e1;
    cursor: not-allowed;
    opacity: 1;
}

.login-links {
    margin-top: var(--spacing-md);
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.login-links a {
    color: var(--color-text-light);
    text-decoration: none;
}

.login-links a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.login-links .divider {
    margin: 0 8px;
    color: #e2e8f0;
}

/* SNS Login */
.sns-login {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 20px;
    margin-bottom: var(--spacing-md);
}

.btn-sns {
    width: auto;
    min-width: 120px;
    height: 50px;
    padding: 0 24px;
    border: none;
    border-radius: 25px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-kakao {
    background-color: #fee500;
    color: #000000;
}

.btn-naver {
    background-color: #03c75a;
    color: #ffffff;
}

.btn-google {
    background-color: #ffffff;
    color: #000000;
    border: 1px solid #e2e8f0;
}

.sns-logo {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.divider-text {
    display: flex;
    align-items: center;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
    font-size: 0.85rem;
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #e2e8f0;
}

.divider-text span {
    padding: 0 10px;
}

/* Custom Radio and Checkbox Color */
input[type="radio"],
input[type="checkbox"] {
    accent-color: #0f172a !important;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .login-container {
        padding: 1rem;
        padding-top: 50px;
        /* Reduced top padding */
        align-items: flex-start;
        /* Align to top to avoid centering issues on small screens */
        min-height: calc(100vh - 50px);
        /* Adjust height */
    }

    .login-content {
        padding: 1rem 0.5rem;
        /* Drastically reduced padding */
        box-shadow: none;
        background: transparent;
        margin-top: 0;
    }

    .login-header {
        margin-bottom: 1rem;
        /* Reduced margin */
    }

    .login-header h2 {
        font-size: 1.4rem;
        /* Smaller font */
        margin-bottom: 0.1rem;
    }

    .login-header p {
        font-size: 0.8rem;
        margin-bottom: 0;
    }

    .sns-login {
        margin-bottom: 1rem;
        /* Reduced margin */
        gap: 10px;
    }

    .btn-sns {
        width: auto;
        min-width: 100px;
        height: 40px;
        padding: 0 16px;
        font-size: 0.8rem;
        border-radius: 20px;
    }

    .divider-text {
        margin-bottom: 1rem;
        font-size: 0.8rem;
    }

    .login-form .form-group {
        margin-bottom: 0.8rem;
        /* Reduced margin */
    }

    .login-form label {
        margin-bottom: 4px;
        font-size: 0.85rem;
    }

    .login-form input {
        padding: 10px;
        font-size: 0.9rem;
        height: 40px;
        /* Fixed smaller height */
    }

    .btn-login {
        margin-top: 0.5rem;
        padding: 12px;
        height: 45px;
    }

    .login-links {
        margin-top: 1rem;
        font-size: 0.8rem;
    }

    /* Hide footer in login page on mobile if needed to save space, 
       but usually footer is below fold. The user wants "one screen". 
       We can try to compact everything. */
}