:root{--color-primary: #8b6914;--color-primary-light: #a67c1a;--color-primary-dark: #6b4f0e;--color-accent: #c9a227;--color-accent-light: #e0b830;--color-accent-bg: rgba(201, 162, 39, .08);--color-bg: #faf8f3;--color-surface: #ffffff;--color-sidebar: #3d2e0a;--color-sidebar-hover: #5a4510;--color-sidebar-text: #e0d5b8;--color-sidebar-active: #f5ecd4;--color-text: #1a202c;--color-text-secondary: #4a5568;--color-text-muted: #718096;--color-border: #e2e8f0;--color-border-light: #edf2f7;--color-success: #38a169;--color-warning: #d69e2e;--color-danger: #e53e3e;--color-info: #3182ce;--radius: 6px;--radius-lg: 10px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07), 0 2px 4px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1), 0 4px 6px rgba(0, 0, 0, .05);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--header-height: 60px;--sidebar-width: 300px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;font-family:var(--font);font-size:14px;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}.app-layout{display:flex;flex-direction:column;height:100vh}.app-body{display:flex;flex:1;overflow:hidden}.header{height:var(--header-height);background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px;box-shadow:var(--shadow-md);z-index:100}.header-logo{width:44px;height:44px;border-radius:50%;object-fit:cover;flex-shrink:0}.header-brand{display:flex;align-items:center;gap:12px}.header-brand h1{font-size:18px;font-weight:700;letter-spacing:-.3px}.header-brand .subtitle{font-size:11px;opacity:.7;font-weight:400}.header-actions{display:flex;align-items:center;gap:12px}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--color-sidebar);color:var(--color-sidebar-text);overflow-y:auto;border-right:1px solid rgba(255,255,255,.1)}.sidebar-title{padding:16px 20px 8px;font-size:11px;text-transform:uppercase;letter-spacing:1px;opacity:.5;font-weight:600}.folder-node{cursor:pointer;-webkit-user-select:none;user-select:none}.folder-node-header{display:flex;align-items:center;gap:8px;padding:12px 14px;font-size:15px;color:var(--color-sidebar-text);transition:background .15s,color .15s;border-left:3px solid transparent}.folder-node-header:hover{background:var(--color-sidebar-hover);color:#fff}.folder-node-header.active{background:var(--color-sidebar-hover);color:var(--color-sidebar-active);border-left-color:var(--color-accent)}.folder-node-header .icon{font-size:20px;flex-shrink:0;width:24px;text-align:center}.folder-node-header .toggle{font-size:12px;width:16px;text-align:center;opacity:.6}.folder-node-children{padding-left:16px}.main-content{flex:1;overflow-y:auto;padding:32px 40px;position:relative;background:url(/bib/logo.jpg) center center / 120px repeat fixed;background-color:var(--color-bg);background-blend-mode:soft-light}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:16px;color:var(--color-text-muted);margin-bottom:24px;flex-wrap:wrap}.breadcrumb-item{cursor:pointer;color:var(--color-info);transition:color .15s;background:none;border:none;padding:0;font:inherit;font-size:16px}.breadcrumb-item:hover{color:var(--color-primary);text-decoration:underline}.breadcrumb-separator{color:var(--color-text-muted);font-size:11px}.breadcrumb-current{font-weight:600;color:var(--color-text)}.content-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.content-header h2{font-size:28px;font-weight:700;color:var(--color-primary)}.folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-bottom:32px}.folder-card{display:flex;align-items:center;gap:12px;padding:16px 18px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;transition:border-color .15s,box-shadow .15s}.folder-card:hover{border-color:var(--color-primary-light);box-shadow:var(--shadow)}.folder-card .folder-icon{font-size:28px;color:var(--color-accent)}.folder-card .folder-label{font-size:15px;font-weight:600;color:var(--color-text);word-break:break-word}.file-list{display:flex;flex-direction:column;gap:8px}.file-card{display:flex;align-items:center;gap:20px;padding:20px 24px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);transition:border-color .15s,box-shadow .15s}.file-card:hover{border-color:var(--color-primary-light);box-shadow:var(--shadow)}.file-card .file-icon{font-size:42px;flex-shrink:0}.file-card .file-info{flex:1;min-width:0}.file-card .file-name{font-size:18px;font-weight:600;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-card .file-meta{display:flex;gap:16px;font-size:14px;color:var(--color-text-muted);margin-top:6px}.file-card .file-description{font-size:14px;color:var(--color-text-secondary);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.file-card .file-actions{display:flex;gap:8px;flex-shrink:0}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:500;border:none;border-radius:var(--radius);cursor:pointer;transition:background .15s,opacity 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8px;border-radius:10px;font-size:11px;font-weight:600}.log-badge.create{background:#c6f6d5;color:#276749}.log-badge.delete{background:#fed7d7;color:#9b2c2c}.log-badge.update{background:#bee3f8;color:#2a4365}.log-badge.upload{background:#fefcbf;color:#744210}.log-badge.login{background:#e9d8fd;color:#553c9a}.welcome-section{text-align:center;padding:100px 20px 60px}.welcome-section h2{font-size:40px;font-weight:700;color:var(--color-primary);margin-bottom:16px}.welcome-section p{font-size:20px;color:var(--color-text-secondary);max-width:700px;margin:0 auto;line-height:1.7}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}@keyframes spin{to{transform:rotate(360deg)}}.skip-link{position:absolute;top:-100%;left:16px;padding:8px 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a:hover{color:#fff}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px;text-align:center;box-shadow:var(--shadow-sm)}.stat-value{font-size:28px;font-weight:800;color:var(--color-primary);margin-bottom:4px}.stat-label{font-size:13px;color:var(--color-text-muted);font-weight:500}.admin-table-container{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius)}.admin-table{width:100%;border-collapse:collapse;font-size:14px}.admin-table th{background:var(--color-bg);padding:10px 14px;text-align:left;font-weight:600;font-size:13px;color:var(--color-text-secondary);border-bottom:2px solid var(--color-border);white-space:nowrap}.admin-table td{padding:10px 14px;border-bottom:1px solid var(--color-border-light);vertical-align:middle}.admin-table tr:last-child td{border-bottom:none}.admin-table tr:hover td{background:var(--color-bg)}.advanced-search{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:16px 24px;box-shadow:var(--shadow-sm)}.advanced-search-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.advanced-search-filters{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}.advanced-search-results{margin-top:16px;max-height:400px;overflow-y:auto}.advanced-search-item{display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--color-bg);border:1px solid var(--color-border-light);border-radius:var(--radius);cursor:pointer;transition:background .15s,border-color .15s}.advanced-search-item:hover{background:var(--color-border-light);border-color:var(--color-border)}.advanced-search-btn{color:var(--color-primary)!important;font-size:12px!important;white-space:nowrap}@media(max-width:768px){.hamburger-btn{display:flex}.sidebar{display:none;position:fixed;top:var(--header-height);left:0;bottom:0;width:280px;min-width:280px;z-index:500;box-shadow:var(--shadow-lg)}.sidebar.sidebar-open{display:block}.sidebar-overlay{display:block;position:fixed;inset:0;top:var(--header-height);background:#0006;z-index:499}.header-brand h1{font-size:14px}.header-brand .subtitle{display:none}.search-input{width:140px}.search-results{width:300px;right:-60px;left:auto}.main-content{padding:16px}.folder-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.footer-content{flex-direction:column;gap:8px;text-align:center}.dashboard-stats{grid-template-columns:1fr}.advanced-search-filters{flex-direction:column}.advanced-search-btn{display:none}.admin-tabs{flex-wrap:wrap}.folder-path{display:none}.folder-row{flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.change-password-panel{max-width:480px;padding:24px 0}.change-password-form{display:flex;flex-direction:column;gap:4px}.form-message{padding:10px 14px;border-radius:var(--radius);font-size:14px;margin-bottom:8px}.form-message--success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.form-message--error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.legal-page{min-height:100vh;background:var(--color-bg);display:flex;flex-direction:column;align-items:center}.legal-navbar{width:100%;background:var(--color-primary);padding:12px 24px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow)}.legal-navbar .btn{color:#fff;border-color:#fff6}.legal-navbar .btn:hover{background:#ffffff26}.legal-navbar-title{color:#ffffffe6;font-size:14px;font-weight:600;letter-spacing:.02em}.legal-card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:40px;width:100%;max-width:760px;margin:32px 16px}.legal-card h1{font-size:24px;color:var(--color-primary);margin-bottom:28px;padding-bottom:16px;border-bottom:2px solid var(--color-border)}.legal-card h2{font-size:16px;color:var(--color-primary);margin:24px 0 8px}.legal-card p,.legal-card li{font-size:14px;line-height:1.7;color:var(--color-text)}.legal-card section{margin-bottom:8px}