/* Login Section */
.login-section {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
}

.login-container {
    max-width: 1120px;
    width: 100%;
    padding: 0 20px;
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-title {
    font-size: 52px;
    font-weight: 900;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.login-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
}

.login-card {
    width: 100%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 60px 80px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 24px;
}

.form-group:last-of-type {
    margin-bottom: 32px;
}

label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

input[type="email"],
input[type="text"],
input[type="password"] {
    width: 100%;
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: 12px;
    padding: 18px 24px;
    color: var(--color-text-primary);
    font-family: var(--font-kr);
    font-size: 16px;
    transition: all 0.3s var(--ease-smooth);
    outline: none;
    box-sizing: border-box;
}

input[type="email"]:focus,
input[type="text"]:focus,
input[type="password"]:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
    background: var(--color-surface);
}

.form-options {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 24px;
}

.btn-login {
    width: 100%;
    padding: 20px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 14px;
    font-family: var(--font-kr);
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-login:hover::before {
    left: 100%;
}

.divider {
    position: relative;
    text-align: center;
    margin: 32px 0;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-border);
}

.divider span {
    position: relative;
    background: var(--color-surface);
    padding: 0 16px;
    font-size: 14px;
    color: var(--color-text-tertiary);
}

.social-login {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-social {
    width: 100%;
    padding: 14px 20px;
    background: var(--color-surface);
    color: var(--color-text-primary);
    border: 1.5px solid var(--color-border);
    border-radius: 12px;
    font-family: var(--font-kr);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.btn-social:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-social img {
    width: 20px;
    height: 20px;
}

.error-message {
    background: #FEE2E2;
    border: 1px solid #FCA5A5;
    color: #991B1B;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 24px;
}

.login-footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
}

.footer-link {
    font-size: 14px;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--color-accent);
}

.footer-divider {
    font-size: 14px;
    color: var(--color-border);
}

/* Responsive */
@media (max-width: 768px) {
    .login-section {
        padding: 30px 0;
    }

    .login-card {
        padding: 32px 24px;
    }

    .login-title {
        font-size: 36px;
    }
}