/* --- 관리자 페이지 전용 레이아웃 --- */
.setting-container h1 {
    border-bottom: 2px solid var(--light-gray);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}
.footer-setting {
    background-color: #495057;
}

/* --- 대시보드 --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}
.dashboard-card {
    background-color: #eaf5fc;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
}
.dashboard-card h3 { color: #2980b9; }
.dashboard-card .stat {
    font-size: 3rem;
    font-weight: 600;
    color: var(--main-navy);
}
.dashboard-card .stat span {
    font-size: 1.5rem;
    margin-left: 0.5rem;
}

/* --- 검색 폼 --- */
.search-form {
    display: flex;
    gap: 0.5rem;
    margin: 1.5rem 0;
}
.search-form input {
    max-width: 500px;
    flex-grow: 1;
}
.search-form button {
    min-width: 80px;
    padding: 0 1rem;
    border: none;
    background-color: var(--main-navy);
    color: white;
    border-radius: 8px;
    cursor: pointer;
}
.search-form button:hover { background-color: #004080; }

/* --- 페이지 헤더 (제목과 버튼) --- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--light-gray);
    margin-bottom: 1rem;
}
.page-header h1 {
    border: none; margin: 0; padding: 0;
}

/* --- 테이블 --- */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch; /* 모바일에서 부드러운 스크롤을 위함 */
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}
th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--light-gray);
    white-space: nowrap; /* 셀 안의 내용(텍스트)이 줄바꿈되지 않도록 하여 테이블이 줄어드는 것을 방지 */
}
th {
    background-color: #f8f9fa;
    font-weight: 600;
}

/* --- 관리자 페이지 전용 폼 & 버튼 --- */
.stock-input {
    padding: 0.5rem;
    text-align: center;
}
.form-grid-add {
    display: grid;
    grid-template-columns: 0.7fr 0.7fr 1fr;
    gap: 1rem;
    align-items: center;
}
.btn-secondary { padding: 0.8rem 1.5rem; border: none; border-radius: 8px; background-color: #27ae60; color: white; cursor: pointer; }
.download-btn { float: none; display: inline-block; margin-bottom: 1.5rem; }
.btn-return { padding: 0.5rem 1rem; border: none; border-radius: 6px; background-color: var(--success); color: white; cursor: pointer; font-weight: 600; }
.btn-return:hover { background-color: #209250; }
.btn-danger { padding: 0.6rem 1rem; border: none; border-radius: 8px; background-color: var(--danger); color: white; cursor: pointer; font-weight: 600; }
.btn-approve { padding: 0.5rem 1rem; border: none; border-radius: 6px; background-color: var(--accent-blue); color: white; cursor: pointer; font-weight: 600; }
.btn-approve:hover { background-color: #2675aa; }
/* 테이블 내 버튼들을 위한 스타일 */
.action-buttons { display: flex; gap: 0.5rem; align-items: center; }
.action-buttons form { margin: 0; }
/* 삭제 버튼 스타일 */
.btn-delete { padding: 0.5rem 1rem; border: none; border-radius: 6px; background-color: var(--danger); color: white; cursor: pointer; font-weight: 600; white-space: nowrap; }
.btn-delete:hover { background-color: #c0392b; }

/* --- 반납 처리 모달 --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 400px;
    position: relative;
    box-shadow: 0 5px 25px rgba(0,0,0,0.2);
}
.modal-close-btn { position: absolute; top: 1rem; right: 1.5rem; font-size: 1.8rem; cursor: pointer; color: #888; }
.modal-content .submit-btn { margin-top: 1rem; }