/*
 * OlaCorp 스타일시트
 * 하늘색~파란색 톤, 깔끔한 디자인
 */

/* === 기본 리셋 및 변수 === */
:root {
    --primary-color: #2196F3;
    --primary-dark: #1976D2;
    --primary-light: #BBDEFB;
    --secondary-color: #64B5F6;
    --bg-color: #F5F9FC;
    --sidebar-bg: #1565C0;
    --sidebar-hover: #1976D2;
    --text-color: #333333;
    --text-light: #666666;
    --border-color: #E0E0E0;
    --white: #FFFFFF;
    --error-color: #D32F2F;
    --success-color: #388E3C;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    color: var(--primary-dark);
}

/* === 로그인/회원가입 페이지 === */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-box {
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 40px;
    width: 100%;
    max-width: 400px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo img {
    max-width: 150px;
    height: auto;
}

.auth-title {
    text-align: center;
    color: var(--primary-dark);
    margin-bottom: 30px;
    font-size: 24px;
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    width: 100%;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: var(--border-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: #BDBDBD;
}

.auth-links {
    text-align: center;
    margin-top: 20px;
}

.auth-links a {
    color: var(--text-light);
    font-size: 14px;
}

.alert {
    padding: 12px 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background-color: #FFEBEE;
    color: var(--error-color);
    border: 1px solid #FFCDD2;
}

.alert-success {
    background-color: #E8F5E9;
    color: var(--success-color);
    border: 1px solid #C8E6C9;
}

/* === 메인 레이아웃 === */
.main-wrapper {
    display: flex;
    min-height: 100vh;
}

/* 사이드바 */
.sidebar {
    width: 250px;
    background-color: var(--sidebar-bg);
    color: var(--white);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo img {
    max-width: 40px;
    height: auto;
}

.sidebar-logo span {
    font-size: 20px;
    font-weight: 600;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.nav-item {
    display: block;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.nav-item:hover,
.nav-item.active {
    background-color: var(--sidebar-hover);
    color: var(--white);
    border-left-color: var(--white);
}

.nav-item-icon {
    margin-right: 10px;
}

/* 메인 콘텐츠 영역 */
.main-content {
    flex: 1;
    margin-left: 250px;
    display: flex;
    flex-direction: column;
}

/* 상단 헤더 */
.top-header {
    background-color: var(--white);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.page-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-name {
    color: var(--text-light);
    font-size: 14px;
}

.btn-logout {
    padding: 8px 16px;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.3s;
}

.btn-logout:hover {
    background-color: var(--bg-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 콘텐츠 영역 */
.content-area {
    padding: 30px;
    flex: 1;
}

/* === 데이터 테이블 === */
.table-container {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.table-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.table-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

.table-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 5px;
}

.search-box input {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
    width: 200px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-box button {
    padding: 8px 12px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.search-box button:hover {
    background-color: var(--primary-dark);
}

.column-toggle {
    position: relative;
}

.column-toggle-btn {
    padding: 8px 12px;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}

.column-toggle-btn:hover {
    border-color: var(--primary-color);
}

.column-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: var(--shadow);
    min-width: 200px;
    z-index: 1000;
    display: none;
    padding: 10px;
}

.column-dropdown.show {
    display: block;
}

.column-dropdown label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    cursor: pointer;
    font-size: 13px;
}

.column-dropdown label:hover {
    background-color: var(--bg-color);
}

/* 테이블 */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}

.data-table th {
    background-color: var(--bg-color);
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.data-table th:hover {
    background-color: var(--primary-light);
}

.data-table th.sortable::after {
    content: '';
    display: inline-block;
    margin-left: 5px;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-bottom: 4px solid var(--text-light);
    vertical-align: middle;
}

.data-table th.sort-asc::after {
    border-bottom: none;
    border-top: 4px solid var(--primary-color);
}

.data-table th.sort-desc::after {
    border-bottom: 4px solid var(--primary-color);
}

.data-table tbody tr:hover {
    background-color: var(--bg-color);
}

.data-table .col-summary,
.data-table .col-requirements {
    min-width: 300px;
    max-width: 400px;
    white-space: normal;
    word-break: keep-all;
}

.data-table td a {
    color: var(--primary-color);
}

.data-table td a:hover {
    text-decoration: underline;
}

/* 페이지네이션 */
.table-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pagination {
    display: flex;
    gap: 5px;
}

.pagination a,
.pagination span {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-color);
}

.pagination a:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-color);
}

.pagination .active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.pagination .disabled {
    color: var(--text-light);
    cursor: not-allowed;
}

.table-info {
    font-size: 13px;
    color: var(--text-light);
}

/* === 반응형 === */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }

    .sidebar-logo span,
    .nav-item span {
        display: none;
    }

    .main-content {
        margin-left: 60px;
    }

    .table-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .table-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .search-box input {
        width: 100%;
    }
}

/* === 유틸리티 === */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

/* 체크박스 스타일 */
input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* 빈 상태 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--border-color);
}

.empty-state p {
    font-size: 14px;
}

/* 로딩 */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-light);
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-light);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 10px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}