:root{
  --blue:#1565C0;
  --blue-dark:#0D47A1;
  --green:#2E7D32;
  --green-light:#66BB6A;
  --gold:#F5C518;
  --bg:#F5F6F8;
  --surface:#FFFFFF;
  --surface-2:#EEF1F5;
  --text:#1B222B;
  --text-mut:#5B6572;
  --border:#E3E7EC;
  --danger:#C62828;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(21,101,192,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-lg:0 12px 32px rgba(21,101,192,.16);
  font-size:16px;
}
[data-theme="dark"]{
  --bg:#0F1620;
  --surface:#17202B;
  --surface-2:#1E2A38;
  --text:#EAF0F6;
  --text-mut:#93A2B3;
  --border:#26333F;
  --shadow:0 2px 10px rgba(0,0,0,.35);
  --shadow-lg:0 12px 32px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-tap-highlight-color:transparent;
  overscroll-behavior-y:none;
}
h1,h2,h3,h4{font-family:'Poppins',Inter,sans-serif;margin:0}
button{font-family:inherit}
::selection{background:var(--gold);color:#1B222B}

/* ---------- Splash ---------- */
#splash{
  position:fixed;inset:0;z-index:999;
  background:linear-gradient(160deg,var(--blue) 0%, var(--blue-dark) 55%, var(--green) 130%);
  display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;
  transition:opacity .5s ease, visibility .5s ease;
}
#splash.hide{opacity:0;visibility:hidden;pointer-events:none}
.splash-logo{
  width:96px;height:96px;border-radius:28px;background:rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;margin-bottom:22px;
  animation:pop .7s cubic-bezier(.2,1.4,.4,1);
  box-shadow:0 20px 50px rgba(0,0,0,.25);
}
@keyframes pop{from{transform:scale(.4) rotate(-8deg);opacity:0}to{transform:scale(1) rotate(0);opacity:1}}
.splash-logo svg{width:52px;height:52px}
#splash h1{font-size:28px;letter-spacing:2px;font-weight:700}
#splash p{opacity:.85;font-size:13.5px;margin-top:6px;max-width:260px;text-align:center}
.splash-bar{width:150px;height:4px;border-radius:4px;background:rgba(255,255,255,.22);margin-top:26px;overflow:hidden}
.splash-bar>i{display:block;height:100%;width:40%;background:var(--gold);border-radius:4px;animation:load 1.1s ease-in-out infinite}
@keyframes load{0%{transform:translateX(-100%)}100%{transform:translateX(350%)}}

/* ---------- Auth ---------- */
#auth-screen{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{
  width:100%;max-width:420px;background:var(--surface);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);padding:32px 28px;animation:rise .5s ease;
}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.auth-brand .mark{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--green));display:flex;align-items:center;justify-content:center}
.auth-brand .mark svg{width:24px;height:24px;color:#fff}
.auth-brand b{font-size:19px;letter-spacing:.5px}
.auth-tabs{display:flex;background:var(--surface-2);border-radius:12px;padding:4px;margin-bottom:20px}
.auth-tabs button{flex:1;border:0;background:transparent;padding:10px;border-radius:9px;font-weight:600;color:var(--text-mut);cursor:pointer;transition:.2s}
.auth-tabs button.active{background:var(--surface);color:var(--blue);box-shadow:var(--shadow)}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--text-mut);margin-bottom:6px}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1.5px solid var(--border);
  background:var(--surface);color:var(--text);font-size:14.5px;outline:none;transition:.15s;
}
.field input:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(21,101,192,.14)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:var(--radius-sm);padding:12px 18px;font-weight:600;font-size:14.5px;
  cursor:pointer;transition:.15s;width:100%;
}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px)}
.btn-accent{background:var(--green);color:#fff}
.btn-accent:hover{filter:brightness(1.08)}
.btn-ghost{background:var(--surface-2);color:var(--text)}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:8px 12px;font-size:13px;width:auto}
.btn:disabled{opacity:.5;cursor:not-allowed}
.auth-error{color:var(--danger);font-size:13px;margin-top:6px;display:none}
.auth-hint{font-size:12px;color:var(--text-mut);margin-top:14px;text-align:center}
.code-share{
  margin-top:16px;background:var(--surface-2);border-radius:12px;padding:14px;text-align:center;display:none;
}
.code-share .code{font-size:26px;font-weight:800;letter-spacing:4px;color:var(--blue);margin:6px 0}

/* ---------- App shell ---------- */
#app{display:none;min-height:100%}
.shell{display:flex;min-height:100vh}
.sidebar{
  width:230px;background:var(--surface);border-right:1px solid var(--border);
  padding:18px 14px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh;
}
.sidebar .brand{display:flex;align-items:center;gap:10px;padding:6px 8px 20px}
.sidebar .brand .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--green));display:flex;align-items:center;justify-content:center;flex:none}
.sidebar .brand .mark svg{width:18px;height:18px;color:#fff}
.sidebar .brand b{font-size:15.5px}
.nav-item{
  display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--text-mut);
  cursor:pointer;font-weight:600;font-size:13.8px;transition:.15s;
}
.nav-item svg{width:19px;height:19px;flex:none}
.nav-item:hover{background:var(--surface-2);color:var(--text)}
.nav-item.active{background:var(--blue);color:#fff}
.sidebar-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--border);font-size:12px;color:var(--text-mut)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--border);
  padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.topbar h2{font-size:18px}
.topbar .sub{font-size:12px;color:var(--text-mut);margin-top:2px}
.topbar-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface);
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-mut);position:relative;
}
.icon-btn:hover{background:var(--surface-2);color:var(--text)}
.icon-btn svg{width:18px;height:18px}
.badge-dot{position:absolute;top:6px;right:6px;width:8px;height:8px;border-radius:50%;background:var(--danger);border:2px solid var(--surface)}
.content{padding:20px 22px 90px;flex:1}

/* ---------- Cards / Grid ---------- */
.grid{display:grid;gap:14px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:1fr 1fr}
.card{
  background:var(--surface);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);
  border:1px solid var(--border);
}
.stat-card{display:flex;flex-direction:column;gap:8px}
.stat-card .top{display:flex;align-items:center;justify-content:space-between}
.stat-card .icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center}
.stat-card .icon svg{width:19px;height:19px;color:#fff}
.stat-card .val{font-size:24px;font-weight:800;font-family:'Poppins',sans-serif}
.stat-card .lbl{font-size:12.5px;color:var(--text-mut);font-weight:600}
.stat-card .delta{font-size:11.5px;font-weight:700;padding:2px 8px;border-radius:20px;width:fit-content}
.delta.up{background:rgba(46,125,50,.12);color:var(--green)}
.delta.warn{background:rgba(198,40,40,.1);color:var(--danger)}

.section-title{display:flex;align-items:center;justify-content:space-between;margin:26px 0 12px}
.section-title h3{font-size:15.5px}
.section-title .muted{font-size:12px;color:var(--text-mut)}

/* ---------- Table ---------- */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.search-box{
  flex:1;min-width:180px;display:flex;align-items:center;gap:8px;background:var(--surface);
  border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:9px 12px;
}
.search-box svg{width:16px;height:16px;color:var(--text-mut);flex:none}
.search-box input{border:0;outline:0;background:transparent;color:var(--text);width:100%;font-size:14px}
.table-wrap{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);overflow:auto;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:13.6px;min-width:640px}
thead th{
  text-align:left;padding:12px 14px;font-size:11.5px;letter-spacing:.4px;text-transform:uppercase;
  color:var(--text-mut);background:var(--surface-2);cursor:pointer;white-space:nowrap;font-weight:700;
}
tbody td{padding:12px 14px;border-top:1px solid var(--border)}
tbody tr:hover{background:var(--surface-2)}
.avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--green));color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-right:8px;vertical-align:middle}
.pill{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:11.5px;font-weight:700}
.pill.ok{background:rgba(46,125,50,.12);color:var(--green)}
.pill.pending{background:rgba(245,197,24,.18);color:#8a6d00}
[data-theme="dark"] .pill.pending{color:#F5C518}
.pill.late{background:rgba(198,40,40,.1);color:var(--danger)}
.row-actions{display:flex;gap:6px}
.row-actions button{border:0;background:var(--surface-2);width:30px;height:30px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-mut)}
.row-actions button:hover{color:var(--blue);background:rgba(21,101,192,.1)}
.empty-state{padding:50px 20px;text-align:center;color:var(--text-mut)}
.empty-state svg{width:44px;height:44px;margin-bottom:10px;opacity:.5}

/* ---------- Modal ---------- */
.modal-backdrop{
  position:fixed;inset:0;background:rgba(10,15,22,.5);backdrop-filter:blur(2px);
  display:none;align-items:center;justify-content:center;z-index:100;padding:16px;
}
.modal-backdrop.show{display:flex}
.modal{
  background:var(--surface);border-radius:var(--radius);width:100%;max-width:460px;max-height:88vh;overflow:auto;
  box-shadow:var(--shadow-lg);animation:rise .25s ease;
}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border)}
.modal-head h3{font-size:16px}
.modal-close{border:0;background:var(--surface-2);width:30px;height:30px;border-radius:8px;cursor:pointer;color:var(--text-mut)}
.modal-body{padding:18px 20px}
.modal-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end}
.modal-foot .btn{width:auto}

/* ---------- Bottom nav (mobile) ---------- */
.bottom-nav{
  display:none;position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);
  padding:6px 4px calc(6px + env(safe-area-inset-bottom));z-index:30;box-shadow:0 -2px 12px rgba(0,0,0,.06);
}
.bottom-nav-inner{display:flex;overflow-x:auto;gap:2px}
.bn-item{flex:none;min-width:64px;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 8px;border-radius:10px;color:var(--text-mut)}
.bn-item svg{width:20px;height:20px}
.bn-item span{font-size:10px;font-weight:700}
.bn-item.active{color:var(--blue)}

/* ---------- Calendar ---------- */
.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-dow{text-align:center;font-size:11px;font-weight:700;color:var(--text-mut);padding:4px 0}
.cal-cell{
  aspect-ratio:1;border-radius:10px;background:var(--surface);border:1px solid var(--border);
  padding:6px;font-size:12px;font-weight:700;position:relative;display:flex;flex-direction:column;
}
.cal-cell.out{opacity:.35}
.cal-cell .dots{display:flex;gap:3px;margin-top:auto;flex-wrap:wrap}
.cal-dot{width:6px;height:6px;border-radius:50%}
.cal-legend{display:flex;gap:16px;margin-top:14px;flex-wrap:wrap}
.cal-legend .li{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-mut)}
.cal-legend .sw{width:9px;height:9px;border-radius:50%}

/* ---------- Distribution ---------- */
.dist-list{display:flex;flex-direction:column;gap:10px}
.dist-item{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:12px 14px}
.dist-item .num{width:28px;height:28px;border-radius:50%;background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;color:var(--text-mut);flex:none}
.dist-item.done .num{background:var(--green);color:#fff}
.dist-item.next{border-color:var(--blue);box-shadow:0 0 0 3px rgba(21,101,192,.12)}
.dist-item .info{flex:1;min-width:0}
.dist-item .info b{font-size:14px}
.dist-item .info .muted{font-size:11.5px;color:var(--text-mut)}

/* ---------- Toast ---------- */
#toast-wrap{position:fixed;top:16px;right:16px;z-index:200;display:flex;flex-direction:column;gap:8px;max-width:320px}
.toast{
  background:var(--surface);border-left:4px solid var(--blue);border-radius:10px;padding:12px 14px;
  box-shadow:var(--shadow-lg);font-size:13px;animation:slidein .25s ease;
}
.toast.success{border-color:var(--green)}
.toast.danger{border-color:var(--danger)}
.toast b{display:block;font-size:12.5px;margin-bottom:2px}
@keyframes slidein{from{transform:translateX(30px);opacity:0}to{transform:translateX(0);opacity:1}}

/* ---------- Notif panel ---------- */
.notif-panel{
  position:absolute;top:52px;right:22px;width:320px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow-lg);z-index:60;display:none;max-height:420px;overflow:auto;
}
.notif-panel.show{display:block}
.notif-item{padding:12px 14px;border-bottom:1px solid var(--border);font-size:13px}
.notif-item b{display:block;font-size:12.5px;margin-bottom:2px}
.notif-item .time{font-size:11px;color:var(--text-mut)}

/* ---------- Misc ---------- */
.muted{color:var(--text-mut)}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.chip-row{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:7px 13px;border-radius:20px;border:1.5px solid var(--border);background:var(--surface);font-size:12.5px;font-weight:600;cursor:pointer;color:var(--text-mut)}
.chip.active{background:var(--blue);border-color:var(--blue);color:#fff}
.offline-banner{display:none;background:#8a6d00;color:#fff;text-align:center;font-size:12.5px;font-weight:600;padding:7px}
.offline-banner.show{display:block}
.qr-box{display:flex;flex-direction:column;align-items:center;gap:12px;padding:10px 0}
#qr-canvas-wrap{background:#fff;padding:12px;border-radius:12px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.progress-bar{height:8px;border-radius:8px;background:var(--surface-2);overflow:hidden;margin-top:8px}
.progress-bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--green));border-radius:8px}

@media(max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .sidebar{display:none}
  .bottom-nav{display:block}
  .content{padding:16px 14px 90px}
  .notif-panel{right:10px;width:calc(100vw - 20px)}
}
@media(max-width:520px){
  .grid-2{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
}