:root{--primary:#0d9488;--primary-dark:#0f766e;--primary-light:#ccfbf1;--accent:#f59e0b;--danger:#ef4444;--success:#22c55e;--bg:#f0fdfa;--sidebar:#134e4a;--text:#1e293b;--muted:#64748b;--border:#e2e8f0;--white:#fff}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
.hidden{display:none!important}
button,input,select,textarea{font:inherit}
#loginPage{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#134e4a,#0d9488 62%,#f59e0b)}
.login-box{width:min(430px,92vw);background:#fff;border-radius:16px;padding:38px;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.login-logo{text-align:center;margin-bottom:26px}.login-logo .fish{font-weight:800;color:var(--primary-dark);font-size:28px}.login-logo h1{font-size:24px;margin:6px 0}.login-logo p{color:var(--muted);font-size:13px}
label{display:block;font-size:13px;font-weight:650;margin-bottom:14px}input,select,textarea{width:100%;margin-top:6px;padding:10px 12px;border:1.5px solid var(--border);border-radius:8px;outline:none;background:#fff}textarea{min-height:78px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(13,148,136,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:700;cursor:pointer;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-secondary{background:var(--border);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-sm{padding:6px 10px;font-size:12px}.btn-full{width:100%}
.login-error{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5;padding:10px 12px;border-radius:8px;font-size:13px;margin-bottom:14px}.demo-note{margin-top:18px;background:#f0fdfa;border-radius:8px;padding:12px;font-size:12px;color:var(--muted);line-height:1.5}
#appLayout{display:flex;min-height:100vh}.sidebar{width:245px;position:fixed;inset:0 auto 0 0;background:var(--sidebar);color:#fff;display:flex;flex-direction:column;z-index:5}.sidebar-header{padding:20px 16px;border-bottom:1px solid rgba(255,255,255,.12)}.brand{font-weight:800;font-size:18px}.brand span{color:var(--accent)}.role-badge{display:inline-block;margin-top:8px;background:rgba(255,255,255,.15);padding:4px 8px;border-radius:999px;font-size:11px}.sidebar-user{padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(255,255,255,.72)}.sidebar-user strong{display:block;color:#fff;font-size:14px}
nav{padding:12px 8px;flex:1;overflow:auto}.nav-section{font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.45);padding:12px 8px 5px}.nav-item{display:flex;align-items:center;padding:10px 12px;border-radius:8px;color:rgba(255,255,255,.82);cursor:pointer;margin-bottom:2px;font-size:14px}.nav-item:hover,.nav-item.active{background:var(--primary);color:#fff}.sidebar-footer{padding:12px 16px;border-top:1px solid rgba(255,255,255,.12)}.logout-btn{width:100%;background:transparent;color:rgba(255,255,255,.75);border:0;text-align:left;cursor:pointer;padding:8px;border-radius:6px}.logout-btn:hover{background:rgba(255,255,255,.1);color:#fff}
.main{margin-left:245px;flex:1;min-width:0}.topbar{height:61px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:3}.topbar-title{font-size:20px;font-weight:800}.mobile-menu-btn{display:none}.content{padding:26px}
.page-header{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}.page-header h2{font-size:22px}.page-header p{font-size:13px;color:var(--muted);margin-top:3px}.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:20px}.stat-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:18px}.stat-card .label{font-size:12px;color:var(--muted);margin-bottom:8px}.stat-card .value{font-size:25px;font-weight:850}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:18px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.card-title{font-size:16px;font-weight:800}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:12px;background:#f8fafc}th,td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}tr:hover td{background:#fafafa}
.badge{display:inline-flex;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:750;text-transform:capitalize}.badge-green{background:#dcfce7;color:#166534}.badge-red{background:#fee2e2;color:#991b1b}.badge-yellow{background:#fef3c7;color:#92400e}.badge-blue{background:#dbeafe;color:#1e40af}.badge-gray{background:#f1f5f9;color:#475569}.badge-teal{background:var(--primary-light);color:var(--primary-dark)}
.search-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}.search-bar input,.search-bar select{max-width:230px;margin-top:0}.alert{padding:12px 14px;border-radius:8px;margin-bottom:14px;font-size:13px}.alert-info{background:#dbeafe;color:#1e40af}.alert-danger{background:#fee2e2;color:#991b1b}.empty-state{text-align:center;color:var(--muted);padding:34px}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.48);z-index:20;display:flex;align-items:center;justify-content:center;padding:16px}.modal{background:#fff;border-radius:14px;width:min(640px,96vw);max-height:92vh;overflow:auto}.modal-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-body{padding:20px 22px}.modal-footer{padding:16px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}.modal-close{background:none;border:0;font-size:22px;cursor:pointer}
.chart-container{height:240px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.actions{display:flex;gap:6px;flex-wrap:wrap}.muted{color:var(--muted)}
@media(max-width:800px){.sidebar{transform:translateX(-100%);transition:.25s}.sidebar.open{transform:translateX(0)}.main{margin-left:0}.mobile-menu-btn{display:inline-flex}.grid-2,.grid-3{grid-template-columns:1fr}.content{padding:16px}.topbar{padding:0 16px}.page-header{align-items:flex-start;flex-direction:column}.search-bar input,.search-bar select{max-width:none;flex:1 1 160px}.stats-grid{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}}