@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700;900&display=swap');

:root{
    --ocean:#0575e6;
    --ocean-2:#005bea;
    --leaf:#18b66a;
    --leaf-2:#0e9f58;
    --ink:#0f172a;
    --text:#1f2937;
    --muted:#64748b;
    --line:#e5e7eb;
    --soft:#f4f8fb;
    --card:#ffffff;
    --danger:#ef4444;
    --warning:#f59e0b;
    --radius:16px;
    --shadow:0 14px 36px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html,body{margin:0;font-family:'Roboto',Arial,sans-serif;background:var(--soft);color:var(--text);font-size:14px}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font-family:'Roboto',Arial,sans-serif}
button{cursor:pointer}
.svg-icon{vertical-align:-4px;flex-shrink:0}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--ocean),var(--ocean-2));color:#fff;padding:10px 15px;font-weight:900;box-shadow:0 8px 18px rgba(5,117,230,.18)}
.btn:hover{filter:brightness(.96)}
.btn.small{min-height:32px;padding:7px 10px;font-size:13px;border-radius:9px}
.btn.green{background:linear-gradient(135deg,var(--leaf),var(--leaf-2));box-shadow:0 8px 18px rgba(24,182,106,.18)}
.btn.red{background:var(--danger);box-shadow:none}
.btn.secondary{background:#fff;color:var(--ocean);border:1px solid #cfe4ff;box-shadow:none}
.btn.soft{background:#eef7ff;color:var(--ocean);box-shadow:none}

input,select,textarea{width:100%;border:1px solid #d9e2ef;border-radius:12px;padding:10px 12px;outline:none;background:#fff;min-height:40px}
input:focus,select:focus,textarea:focus{border-color:var(--ocean);box-shadow:0 0 0 3px rgba(5,117,230,.12)}

.app-top{height:58px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(229,231,235,.8);display:flex;align-items:center;justify-content:space-between;padding:0 18px;position:sticky;top:0;z-index:40}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;color:#08305f}
.logo-icon{width:32px;height:32px;border-radius:50%;position:relative;background:linear-gradient(135deg,#26b6ff 0%,#0575e6 45%,transparent 46%)}
.logo-icon:after{content:"";position:absolute;right:1px;top:5px;width:16px;height:22px;border-radius:50% 50% 50% 5px;background:var(--leaf);transform:rotate(28deg)}
.top-actions{display:flex;align-items:center;gap:14px;color:#334155;font-size:13px}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 11px;background:#eaf6ff;color:var(--ocean);font-weight:900;font-size:12px}

.nav{height:48px;background:linear-gradient(135deg,var(--ocean),var(--ocean-2));display:flex;align-items:center;padding:0 14px;gap:4px;overflow-x:auto;position:sticky;top:58px;z-index:39;box-shadow:0 8px 20px rgba(5,117,230,.18)}
.nav a{height:36px;color:#fff;display:flex;align-items:center;gap:7px;padding:0 14px;border-radius:10px;font-weight:800;white-space:nowrap}
.nav a.active,.nav a:hover{background:rgba(255,255,255,.18)}
.nav .sale-btn{margin-left:auto;background:#fff;color:var(--ocean);box-shadow:0 8px 18px rgba(0,0,0,.08)}

.page{padding:18px;max-width:1600px;margin:0 auto}
.page-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}
.page-title h1{margin:0;font-size:24px;color:var(--ink);display:flex;align-items:center;gap:9px}
.page-subtitle{margin:4px 0 0;color:var(--muted)}

.card{background:var(--card);border:1px solid #e9eef5;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.card-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-title{font-size:16px;font-weight:900;color:var(--ink)}
.card-body{padding:18px}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
.stat{position:relative;background:#fff;border:1px solid #e9eef5;border-radius:var(--radius);box-shadow:var(--shadow);padding:17px;overflow:hidden}
.stat:after{content:"";position:absolute;right:-30px;top:-30px;width:95px;height:95px;border-radius:50%;background:linear-gradient(135deg,rgba(5,117,230,.12),rgba(24,182,106,.12))}
.stat span{display:flex;align-items:center;gap:7px;color:var(--muted);margin-bottom:8px;font-weight:800}
.stat strong{font-size:25px;color:var(--ink)}

.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;background:#fff}
.table th,.table td{padding:13px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:13px;vertical-align:middle}
.table th{background:#f8fbff;color:#64748b;font-weight:900}
.table tr:hover td{background:#fbfdff}
.actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.search-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.search-row input{min-width:260px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.form-grid label{display:block;font-weight:800}
.form-grid input,.form-grid select,.form-grid textarea{margin-top:6px}
.empty-state{max-width:620px;margin:80px auto;background:#fff;border-radius:20px;padding:34px;text-align:center;box-shadow:var(--shadow)}
.actions-center{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}

/* Loading */
#loading-bar-spinner{position:fixed;inset:0;z-index:999999;display:none;align-items:center;justify-content:center;background:rgba(244,248,251,.88);backdrop-filter:blur(3px)}
#loading-bar-spinner.show{display:flex!important}
.no-freeze-spinner{width:94px;height:94px;border-radius:50%;background:#fff;box-shadow:0 18px 50px rgba(15,23,42,.2);display:flex;align-items:center;justify-content:center}
.spinner--container{position:relative;width:64px;height:64px;border-radius:50%;border:4px solid #dbeafe;border-top-color:var(--ocean);animation:kvSpin .9s linear infinite}
.spinner-icon-cart,.spinner-icon-user{position:absolute;animation:kvSpinReverse .9s linear infinite}
.spinner-icon-cart{left:10px;top:18px;color:var(--ocean)}
.spinner-icon-user{right:10px;top:18px;color:var(--leaf)}
.spinner-dot{position:absolute;width:8px;height:8px;background:var(--ocean);border-radius:50%;bottom:8px;left:50%;transform:translateX(-50%)}
@keyframes kvSpin{to{transform:rotate(360deg)}}
@keyframes kvSpinReverse{to{transform:rotate(-360deg)}}

.mobile-bottom-nav{display:none}

/* Login */
.center-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top left,rgba(24,182,106,.28),transparent 32%),linear-gradient(135deg,#031B3F,#0575e6)}
.login-box{width:460px;background:#fff;border-radius:24px;box-shadow:0 30px 90px rgba(0,0,0,.38);overflow:hidden}
.login-body{padding:36px}
.login-logo{justify-content:center;font-size:27px;margin-bottom:28px}
.login-box input{height:50px;margin-bottom:14px}
.login-options{display:flex;justify-content:space-between;margin:6px 0 24px}
.login-actions{display:grid;grid-template-columns:1fr 1fr}
.login-actions button{height:64px;border:0;color:#fff;font-size:17px;font-weight:900}
.login-actions .manager{background:var(--ocean)}
.login-actions .sale{background:var(--leaf)}
.alert{padding:12px;background:#fee2e2;color:#991b1b;border-radius:12px;margin-bottom:14px;font-weight:700}
.success{padding:12px;background:#dcfce7;color:#166534;border-radius:12px;margin-bottom:14px;font-weight:700}

@media(max-width:900px){
    .top-actions{display:none}
    .nav{display:none}
    .app-top{height:56px}
    .page{padding:12px 10px 76px}
    .page-title{align-items:flex-start;flex-direction:column}
    .page-title h1{font-size:21px}
    .stats{grid-template-columns:1fr 1fr;gap:10px}
    .stat{padding:13px}
    .stat strong{font-size:20px}
    .form-grid{grid-template-columns:1fr}
    .card{border-radius:14px}
    .table{min-width:760px}
    .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:64px;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);z-index:10000;box-shadow:0 -8px 25px rgba(15,23,42,.08)}
    .mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:#475569;font-size:11px;font-weight:800}
    .mobile-bottom-nav a.active{color:var(--ocean)}
}