/* ============================================================================
   ระบบเช่ายืมรถ — Design System (Phase 9)
   ทุกอย่างเป็น class ไม่ hardcode style กระจัดกระจาย
   Identity: fleet-ops navy + teal signal
   ============================================================================ */
:root {
  --bg:#0e1726; --surface:#16223a; --surface-2:#1e2e4d; --line:#29395c;
  --ink:#edf1f7; --muted:#8a97ad;
  --accent:#3dd6b0; --accent-ink:#06231c;
  --blue:#5b9dff; --amber:#f2b441; --red:#ff6b6b; --gray:#8a97ad;
  --radius:14px; --radius-sm:10px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans Thai",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font);background:radial-gradient(1200px 600px at 80% -10%,#1a2a47 0%,var(--bg) 55%);
  color:var(--ink);min-height:100vh;line-height:1.5}
a{color:var(--accent);text-decoration:none}
h1,h2,h3{margin:0}

/* ---------- form controls ---------- */
input,select,textarea,button{font:inherit;color:var(--ink);background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 12px}
input::placeholder,textarea::placeholder{color:var(--muted)}
label{font-size:13px;color:var(--muted);display:block;margin-bottom:6px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.field{margin-bottom:14px}
.field input,.field select,.field textarea{width:100%}

/* ---------- buttons ---------- */
.btn{cursor:pointer;border-radius:var(--radius-sm);padding:10px 16px;border:1px solid var(--line);
  background:var(--surface);font-weight:600;transition:filter .12s,border-color .12s}
.btn:hover{border-color:var(--accent)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--accent);color:var(--accent-ink);border:none}
.btn-primary:hover{filter:brightness(1.06)}
.btn-danger{background:var(--red);color:#2a0606;border:none}
.btn-ghost{background:transparent}
.btn-sm{padding:7px 11px;font-size:13px}
.btn-block{width:100%}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- topbar ---------- */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:14px;
  padding:12px 20px;background:rgba(14,23,38,.88);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.3px}
.brand .dot{width:12px;height:12px;border-radius:3px;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.topbar .spacer{flex:1}
.userchip{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.userchip strong{color:var(--ink)}
.role-tag{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;color:var(--accent);background:rgba(61,214,176,.12)}

/* bell */
.bell{position:relative;display:inline-grid;place-items:center;width:40px;height:40px;
  border-radius:10px;border:1px solid var(--line);background:var(--surface);cursor:pointer}
.bell:hover{border-color:var(--accent)}
.bell svg{width:20px;height:20px}
.bell .badge-count{position:absolute;top:-6px;right:-6px;min-width:18px;height:18px;padding:0 5px;
  border-radius:999px;background:var(--red);color:#fff;font-size:11px;font-weight:700;
  display:none;align-items:center;justify-content:center;box-shadow:0 0 0 2px var(--bg)}
.bell .badge-count.show{display:inline-flex}

/* ---------- layout ---------- */
.shell{display:flex;min-height:calc(100vh - 57px)}
.nav{width:210px;flex-shrink:0;border-right:1px solid var(--line);padding:16px 12px;background:rgba(22,34,58,.4)}
.nav a{display:block;color:var(--muted);padding:10px 12px;border-radius:var(--radius-sm);font-weight:600;margin-bottom:4px}
.nav a:hover{background:var(--surface);color:var(--ink)}
.nav a.active{background:var(--surface-2);color:var(--ink)}
.main{flex:1;padding:24px;max-width:1100px;margin:0 auto;width:100%}
.page-title{font-size:22px;margin-bottom:18px}

/* ---------- grid / cards ---------- */
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .12s,border-color .12s}
.card:hover{transform:translateY(-3px);border-color:var(--accent)}
.card .thumb{aspect-ratio:16/10;background:var(--surface-2);display:grid;place-items:center;color:var(--muted);font-size:13px}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card-body{padding:14px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-body h3{font-size:16px}
.meta{color:var(--muted);font-size:13px}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:8px}
.mt-auto{margin-top:auto}
.price{font-weight:700}.price small{color:var(--muted);font-weight:400}

/* type group */
.type-group{margin-bottom:26px}
.type-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.type-head h2{font-size:17px}
.type-head .count{font-size:12px;color:var(--muted);border:1px solid var(--line);padding:2px 9px;border-radius:999px}

/* ---------- badges (status) ---------- */
.badge{font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;display:inline-block;white-space:nowrap}
.badge-AVAILABLE,.badge-RETURNED{color:var(--accent);background:rgba(61,214,176,.12)}
.badge-BORROWED,.badge-APPROVED{color:var(--blue);background:rgba(91,157,255,.14)}
.badge-MAINTENANCE,.badge-REJECTED{color:var(--red);background:rgba(255,107,107,.12)}
.badge-INACTIVE,.badge-CANCELLED{color:var(--gray);background:rgba(138,151,173,.14)}
.badge-PENDING{color:var(--amber);background:rgba(242,180,65,.14)}

/* ---------- stat cards (dashboard) ---------- */
.stats{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));margin-bottom:24px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.stat .n{font-size:30px;font-weight:800;line-height:1}
.stat .l{color:var(--muted);font-size:13px;margin-top:6px}
.stat.accent .n{color:var(--accent)} .stat.blue .n{color:var(--blue)}
.stat.red .n{color:var(--red)} .stat.amber .n{color:var(--amber)} .stat.gray .n{color:var(--gray)}

/* ---------- table (responsive -> cards on mobile) ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl th,table.tbl td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
table.tbl th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
table.tbl tr:last-child td{border-bottom:none}
table.tbl tbody tr:hover{background:var(--surface-2)}

/* ---------- filters ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;align-items:center}
.filters input,.filters select{min-width:140px}

/* ---------- modal ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(3,8,16,.72);display:none;place-items:center;padding:20px;z-index:50}
.modal-backdrop.open{display:grid}
.modal{width:100%;max-width:460px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);max-height:90vh;overflow:auto}
.modal h2{margin-bottom:4px}
.modal .sub{color:var(--muted);font-size:14px;margin-bottom:8px}
.modal .actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--surface-2);
  border:1px solid var(--line);padding:12px 18px;border-radius:10px;box-shadow:var(--shadow);
  opacity:0;pointer-events:none;transition:opacity .2s;z-index:60;max-width:90vw}
.toast.show{opacity:1}
.toast.err{border-color:var(--red)}
.toast.ok{border-color:var(--accent)}

/* ---------- misc ---------- */
.empty,.loading{text-align:center;color:var(--muted);padding:48px 0}
.muted{color:var(--muted)} .right{text-align:right} .nowrap{white-space:nowrap}
.section-gap{margin-top:26px}

/* ---------- login ---------- */
.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.auth-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.auth-card h1{font-size:20px;margin:4px 0 2px}
.auth-card p.sub{color:var(--muted);margin:0 0 18px;font-size:14px}
.auth-error{color:var(--red);font-size:13px;min-height:18px;margin-top:8px}
.auth-hint{margin-top:18px;font-size:12px;color:var(--muted);line-height:1.7;border-top:1px solid var(--line);padding-top:14px}

/* ============================ MOBILE ============================ */
@media (max-width:760px){
  .shell{flex-direction:column}
  .nav{width:100%;display:flex;gap:6px;overflow-x:auto;border-right:none;border-bottom:1px solid var(--line);padding:10px}
  .nav a{white-space:nowrap;margin-bottom:0}
  .main{padding:16px}
  .brand small{display:none}
  .userchip span.email{display:none}

  /* table -> card list */
  table.tbl thead{display:none}
  table.tbl,table.tbl tbody,table.tbl tr,table.tbl td{display:block;width:100%}
  table.tbl tr{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;padding:6px 0;background:var(--surface)}
  table.tbl td{border:none;display:flex;justify-content:space-between;gap:12px;padding:8px 14px;text-align:right}
  table.tbl td::before{content:attr(data-label);color:var(--muted);font-size:12px;font-weight:600;text-align:left}
  table.tbl td.actions-cell{justify-content:flex-end}
  .btn{padding:12px 16px} /* นิ้วกดง่ายขึ้นบนมือถือ */
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}