/* signup.css */
.signup-container {
    max-width: 500px;
    margin: 78px auto 0;
    padding: 2.5rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.5s ease-out;
}

.signup-container h2 {
    text-align: center;
    color: #1a1a1a;
    font-size: 2rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #4b5563;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* 이메일 인증 관련 스타일 */
.email-group {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.email-input {
    flex: 2;
}

.verification-area {
    margin-top: 10px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.verification-area input {
    width: 150px;
}

#verificationCode {
    flex: 2;
}

.timer {
    color: #666;
    min-width: 50px;
    font-size: 0.875rem;
}

.status-message {
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.status-message.error {
    color: #dc2626;
}

.status-message.success {
    color: #10b981;
}

.error-message {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: block;
}

.guide-message {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 0.5rem;
    display: block;
}

/* 버튼 스타일 */
.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    flex: 1;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.btn-primary {
    background-color: #6366f1;
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: #4f46e5;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #e5e7eb;
    color: #4b5563;
}

.btn-secondary:hover:not(:disabled) {
    background-color: #d1d5db;
    transform: translateY(-1px);
}

/* 애니메이션 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .signup-container {
        margin: 78px 1rem 0;
        padding: 1.5rem;
    }

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

    .btn {
        width: 100%;
    }

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

    .verification-area {
        flex-wrap: wrap;
    }
}

.invalid-input {
    border-color: #dc2626 !important;
    box-shadow: 0 0 0 1px #dc2626 !important;
}

.invalid-input:focus {
    border-color: #dc2626 !important;
    box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.2) !important;
}

.error-message {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}