.auth-container {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.auth-card {
    background: white;
    border-radius: 24px;
    padding: 48px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid #f1f5f9;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo {
    font-size: 28px;
    font-weight: 800;
    color: #ea580c;
    margin-bottom: 8px;
}

.auth-title {
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 8px 0;
}

.auth-subtitle {
    font-size: 14px;
    color: #64748b;
    margin: 0;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
}

.form-input {
    padding: 14px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 15px;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: #ea580c;
    box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.1);
}

.form-input::placeholder {
    color: #94a3b8;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #64748b;
    cursor: pointer;
}

.form-checkbox-group .form-checkbox {
    align-items: flex-start;
    gap: 10px;
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: #ea580c;
}

.form-checkbox-group .form-checkbox input {
    margin-top: 2px;
    flex-shrink: 0;
}

.form-checkbox a {
    color: #ea580c;
    text-decoration: underline;
}

.form-checkbox.required {
    color: #1e293b;
}

.form-link {
    font-size: 14px;
    color: #ea580c;
    text-decoration: none;
    font-weight: 500;
}

.form-link:hover {
    text-decoration: underline;
}

.auth-btn {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
    color: white;
    font-family: inherit;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(234, 88, 12, 0.4);
}

.auth-btn:disabled {
    background: #cbd5e1;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: #e2e8f0;
}

.auth-divider span {
    font-size: 13px;
    color: #94a3b8;
}

.social-btns {
    display: flex;
    gap: 12px;
}

.social-btn {
    flex: 1;
    padding: 14px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    background: white;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.social-btn:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.social-btn.kakao {
    background: #fee500;
    border-color: #fee500;
    color: #000;
}

.social-btn.kakao:hover {
    background: #fae100;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: #64748b;
}

.auth-footer a {
    color: #ea580c;
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.password-strength {
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
    margin-top: 4px;
}

.password-strength-bar {
    height: 100%;
    width: 0;
    transition: all 0.3s ease;
}

.password-strength-bar.weak {
    width: 33%;
    background: #ef4444;
}

.password-strength-bar.medium {
    width: 66%;
    background: #f59e0b;
}

.password-strength-bar.strong {
    width: 100%;
    background: #22c55e;
}

.password-hint {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 4px;
}

@media (max-width: 480px) {
    .auth-card {
        padding: 32px 24px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}