html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', 'Roboto', sans-serif;
    background-color: #f9f9fb;
}
/* 레이아웃 래퍼 */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 네비게이션 바 */
.navbar {
    background-color: #ffffff;
    border-bottom: 1px solid #e5e5e5;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.navbar-brand {
    font-size: 1.6rem;
    font-weight: 700;
    color: #2a6fc1;
}

.navbar-toggler {
    border: none;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: #444;
    padding: 0.6rem 1rem;
    transition: color 0.2s ease;
}

.main-content {
    flex: 1;
}

.navbar-nav .nav-link:hover {
    color: #2a6fc1;
}

/* --- 버튼 --- */
.navbar .btn {
    font-size: 0.875rem;
    border-radius: 6px;
    padding: 6px 12px;
    transition: all 0.2s ease-in-out;
    margin-right: 0.5rem;
}

.btn-outline-secondary {
    border-color: #ccc;
    color: #555;
}

.btn-outline-secondary:hover {
    background-color: #f0f0f0;
    color: #333;
}

/* 로그인/회원가입 */
.btn-outline-primary {
    border-color: #2a6fc1;
    color: #2a6fc1;
}

.btn-outline-primary:hover {
    background-color: #2a6fc1;
    color: white;
}

/* --- 언어 선택 --- */
form select.form-select-sm {
    font-size: 0.85rem;
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid #ccc;
    color: #333;
}


/* 공통 Alert 스타일 - 카드형 */
.alert {
    font-size: 0.95rem;
    margin: 1rem auto;
    padding: 1rem 1.25rem;
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    background: #fff;  /* 기본적으로 흰 바탕 */
    max-width: 800px;  /* 너무 넓어지지 않도록 제한 */
}

/* 정보 알림 */
.alert-info {
    border-top: 4px solid #2a6fc1;
}

/* 성공 알림 */
.alert-success {
    border-top: 4px solid #28a745;
}

/* 경고 알림 */
.alert-warning {
    border-top: 4px solid #ffc107;
}

/* 위험/오류 알림 */
.alert-danger {
    border-top: 4px solid #dc3545;
}

.footer {
    padding: 1rem 0;
    background-color: #f9f9fb;
    text-align: center;
}

/* Dropdown */
.dropdown-menu {
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    padding: 0.5rem 0;
    border: none;
}

.dropdown-item {
    padding: 0.5rem 1.2rem;
    font-size: 0.95rem;
    transition: background 0.2s;
}

.dropdown-item:hover {
    background-color: #f1f5ff;
    color: #2a6fc1;
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .navbar .btn {
        margin-bottom: 0.5rem;
    }
}