:root{--ink:#102a32;--muted:#6a7d82;--bg:#eef4f3;--card:#fff;--nav:#0d3039;--primary:#146678;--green:#138a5b;--red:#c43e3e;--orange:#d98620;--line:#dbe6e4;--shadow:0 10px 30px rgba(9,45,53,.09)}*{box-sizing:border-box}html{font-family:Tahoma,Arial,sans-serif;background:var(--bg);color:var(--ink)}body{margin:0;min-height:100vh}button,input,select,textarea{font:inherit}a{color:var(--primary);text-decoration:none}.auth{display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#082b34,#155365)}.auth-card{background:#fff;width:min(430px,100%);border-radius:26px;padding:32px;box-shadow:0 24px 70px #0018;text-align:center}.brand-mark{font-size:3rem}.auth h1{margin:.4rem 0}.muted{color:var(--muted)}form{display:grid;gap:15px;text-align:right}label{display:grid;gap:7px;font-weight:700;color:#34545b}input,select,textarea{width:100%;border:1px solid #cbdcda;border-radius:12px;padding:13px;background:#fff;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #14667820}textarea{min-height:100px;resize:vertical}.btn{border:0;border-radius:12px;padding:12px 18px;font-weight:800;cursor:pointer;display:inline-flex;justify-content:center;align-items:center;gap:8px}.wide{width:100%}.primary{background:var(--primary);color:#fff}.secondary{background:#e5eeee;color:#21464f}.success{background:var(--green)!important;color:#fff}.orange{background:var(--orange);color:#fff}.alert{padding:13px 16px;border-radius:12px;margin:15px 0}.alert.success{background:#e2f6ed!important;color:#176341}.alert.danger{background:#ffe8e6;color:#982e2b}.mobile-head{height:68px;background:var(--nav);color:#fff;padding:10px 18px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:15}.mobile-head small{display:block;color:#a8c7c8;margin-top:3px}.icon-btn{border:0;background:#ffffff17;color:inherit;border-radius:12px;width:43px;height:43px;font-size:1.4rem;display:grid;place-items:center}.driver-shell{max-width:720px;margin:auto;padding:18px 16px 94px}.hero-status{background:linear-gradient(135deg,#123d47,#17687a);color:#fff;border-radius:22px;padding:22px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow)}.hero-status>span{font-size:2.5rem}.hero-status h1{margin:0 0 6px;font-size:1.45rem}.hero-status p{margin:0;color:#cde0e1}.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}.action-card{min-height:155px;border:0;border-radius:22px;color:#fff;padding:20px;display:grid;place-items:center;align-content:center;gap:12px;font-weight:800;font-size:1.08rem;box-shadow:var(--shadow);cursor:pointer}.action-card b{font-size:2.3rem}.action-card.start{background:linear-gradient(145deg,#0e8054,#22a06b)}.action-card.oil{background:linear-gradient(145deg,#c97113,#eda63b)}.bottom-nav{position:fixed;bottom:0;inset-inline:0;background:#fff;border-top:1px solid var(--line);display:flex;justify-content:center;z-index:20;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav button{width:min(33.333%,240px);border:0;background:#fff;color:#708085;padding:10px 4px;display:grid;gap:4px;font-size:1.2rem}.bottom-nav span{font-size:.78rem;font-weight:700}.bottom-nav button.active{color:var(--primary);background:#edf6f5}.tab-panel{display:none}.tab-panel.active{display:block}.sheet{position:fixed;z-index:40;background:#fff;inset:0;overflow:auto;padding:20px;max-width:720px;margin:auto}.sheet-head{display:flex;justify-content:space-between;align-items:center}.sheet-head .icon-btn{background:#edf2f1;color:var(--ink)}#qrVideo{width:100%;height:min(56vh,450px);object-fit:cover;background:#071f27;border-radius:18px;margin:12px 0}.scanner-line{height:3px;background:#f4b73f;margin-top:-50%;position:relative;box-shadow:0 0 16px #f4b73f}.sheet label,.sheet .btn{margin-top:14px}.sync-box{margin-top:16px;padding:13px;background:#fff1d6;color:#80540c;border-radius:12px}.section-title{display:flex;justify-content:space-between;gap:15px;align-items:center}.section-title input{max-width:170px}.records{display:grid;gap:12px;margin-top:15px}.record{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 5px 16px #17383d0a}.record h3{margin:0 0 9px}.record-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;color:var(--muted)}.sidebar{width:260px;position:fixed;inset-block:0;right:0;background:var(--nav);color:#fff;padding:22px 14px;display:flex;flex-direction:column;z-index:20}.side-brand{font-size:1.25rem;font-weight:900;padding:8px 10px 25px}.sidebar nav{display:grid;gap:5px}.sidebar nav a{color:#c8dcde;padding:12px;border-radius:10px;font-weight:700}.sidebar nav a:hover,.sidebar nav a.active{background:#ffffff15;color:#fff}.sidebar .logout{margin-top:auto;color:#ffb6ae;padding:12px}.admin-main{margin-right:260px;padding:28px}.admin-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.admin-head h1{margin:0}.admin-head p{margin:6px 0;color:var(--muted)}.online-pill{background:#dff5eb;color:#147248;padding:8px 12px;border-radius:50px}.stat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.stat{background:#fff;border-radius:18px;padding:18px;border-top:4px solid;box-shadow:var(--shadow);display:grid;gap:5px}.stat span{font-size:1.5rem}.stat b{font-size:2rem}.stat small{color:var(--muted);font-weight:700}.stat.green{border-color:#20a66d}.stat.blue{border-color:#2486b8}.stat.orange{border-color:#e4932d}.stat.purple{border-color:#7e62bb}.stat.teal{border-color:#2c9992}.panel{background:#fff;border-radius:18px;padding:20px;margin-top:18px;box-shadow:var(--shadow)}.panel-head{display:flex;justify-content:space-between;align-items:center}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th,td{padding:13px;text-align:right;border-bottom:1px solid var(--line)}th{color:#4f686e;background:#f6f9f8}.badge{padding:5px 9px;border-radius:20px;font-size:.8rem}.badge.warning{background:#fff0d1;color:#94600c}.badge.success{background:#daf4e8!important;color:#156642}.form-grid{grid-template-columns:repeat(3,1fr);align-items:end}.span-2{grid-column:span 2}.inline{display:flex;grid-template-columns:auto auto}.filters{display:flex;gap:10px;margin-bottom:15px}.offline-overlay{position:fixed;inset:0;background:#071f27f2;color:#fff;z-index:99;display:grid;place-items:center;text-align:center}.offline-overlay[hidden]{display:none}.offline-overlay>div{max-width:420px;padding:30px;font-size:1.2rem}@media(max-width:1050px){.stat-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.sidebar{position:static;width:auto;height:auto}.sidebar nav{grid-template-columns:repeat(2,1fr)}.admin-main{margin:0;padding:16px}.stat-grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.action-grid{grid-template-columns:1fr 1fr}}@media(max-width:420px){.action-grid{grid-template-columns:1fr}.action-card{min-height:125px}.record-grid{grid-template-columns:1fr}.stat-grid{grid-template-columns:1fr 1fr}.stat b{font-size:1.55rem}}