:root{--main-color: #008080;--bg-color: #ECF3F2;--surface-color: #D5E7E5;--link-color: #004D4D;--accent-color: #CC0066;--on-main-color: #FFFFFF;--text-color: #330033;--border-color: #B8D4D1;--error-color: #D32F2F;--success-color: #2E7D32;--warn-color: #ED6C02}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-color);color:var(--text-color);line-height:1.6}a{color:var(--link-color);text-decoration:none}a:hover{text-decoration:underline}.app-layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--main-color);color:var(--on-main-color);padding:20px 0;flex-shrink:0}.sidebar-title{font-size:20px;font-weight:700;text-align:center;padding:0 16px 20px;border-bottom:1px solid rgba(255,255,255,.15);margin-bottom:12px}.sidebar-nav{list-style:none}.sidebar-nav li a{display:block;padding:10px 24px;color:#ffffffd9;transition:background .2s;font-size:14px}.sidebar-nav li a:hover,.sidebar-nav li a.active{background:#ffffff26;color:#fff;text-decoration:none}.main-content{flex:1;padding:24px 32px;overflow-y:auto}.page-title{font-size:22px;font-weight:600;margin-bottom:20px;color:var(--text-color)}.card{background:#fff;border-radius:8px;padding:20px;margin-bottom:16px;box-shadow:0 1px 3px #00000014}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:6px;font-size:14px;cursor:pointer;transition:opacity .2s}.btn:hover{opacity:.85}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--main-color);color:var(--on-main-color)}.btn-accent{background:var(--accent-color);color:#fff}.btn-danger{background:var(--error-color);color:#fff}.btn-outline{background:transparent;border:1px solid var(--border-color);color:var(--text-color)}.btn-sm{padding:4px 10px;font-size:13px}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:4px;color:var(--text-color)}.form-input{width:100%;padding:8px 12px;border:1px solid var(--border-color);border-radius:6px;font-size:14px;outline:none;transition:border-color .2s}.form-input:focus{border-color:var(--main-color)}select.form-input{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border-color)}th{background:var(--surface-color);font-weight:600;font-size:13px}.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:500}.tag-success{background:#e8f5e9;color:var(--success-color)}.tag-error{background:#ffebee;color:var(--error-color)}.tag-warn{background:#fff3e0;color:var(--warn-color)}.tag-info{background:var(--surface-color);color:var(--main-color)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:20px}.stat-card{background:#fff;border-radius:8px;padding:16px;box-shadow:0 1px 3px #00000014;text-align:center}.stat-value{font-size:28px;font-weight:700;color:var(--main-color)}.stat-label{font-size:13px;color:#666;margin-top:4px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:#fff;border-radius:10px;padding:24px;width:90%;max-width:480px;max-height:80vh;overflow-y:auto}.modal-title{font-size:18px;font-weight:600;margin-bottom:16px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-color)}.login-box{background:#fff;border-radius:12px;padding:40px;width:380px;box-shadow:0 4px 20px #00000014}.login-title{font-size:24px;font-weight:700;color:var(--main-color);text-align:center;margin-bottom:28px}.toast{position:fixed;top:20px;right:20px;padding:12px 20px;border-radius:8px;color:#fff;font-size:14px;z-index:2000;animation:slideIn .3s ease}.toast-success{background:var(--success-color)}.toast-error{background:var(--error-color)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.pagination{display:flex;gap:8px;justify-content:center;margin-top:16px}