@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500;600&display=swap');

:root{
  --bg: #EEF0F4;
  --surface: #FFFFFF;
  --surface-2: #F6F7FA;
  --ink: #1B2A4A;
  --ink-soft: #4C5B7A;
  --ink-faint: #8892A6;
  --line: #DEE2E9;
  --line-strong: #C7CDD9;

  --navy: #1B2A4A;
  --navy-soft: #E4E9F2;
  --green: #2E6E49;
  --green-soft: #E1F0E5;
  --red: #B23A2E;
  --red-soft: #F8E4E1;
  --amber: #B4740E;
  --amber-soft: #FBEBD3;
  --gray: #6B7280;
  --gray-soft: #E8E9EC;

  --radius: 10px;
  --shadow-card: 0 1px 2px rgba(27,42,74,0.06), 0 1px 1px rgba(27,42,74,0.04);
  --shadow-pop: 0 12px 28px rgba(27,42,74,0.14);
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14.5px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3, .display{
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.mono, .waybill-no{
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

a{ color: inherit; text-decoration:none; }
button{ font-family: inherit; cursor:pointer; }

/* ---------- LAYOUT ---------- */
.app-shell{
  display:flex;
  min-height:100vh;
}

.sidebar{
  width: 236px;
  flex-shrink:0;
  background: var(--navy);
  color: #DDE4F2;
  display:flex;
  flex-direction:column;
  padding: 22px 16px;
  position: sticky;
  top:0;
  height:100vh;
}
.sidebar .brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 0 6px 22px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.sidebar .brand-mark{
  width:34px; height:34px;
  border-radius:8px;
  background: linear-gradient(155deg, #3B5D9E, #1B2A4A 70%);
  display:flex; align-items:center; justify-content:center;
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:15px;
  color:#fff;
  border: 1px solid rgba(255,255,255,0.18);
}
.sidebar .brand-text .name{ font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:15px; color:#fff; }
.sidebar .brand-text .tag{ font-size:11px; color:#95A4C4; letter-spacing:0.04em; }

.sidebar nav{ display:flex; flex-direction:column; gap:2px; flex:1; }
.sidebar nav a{
  display:flex; align-items:center; gap:10px;
  padding:10px 12px;
  border-radius:8px;
  color:#B8C4DD;
  font-size:13.5px;
  font-weight:500;
  transition: background .15s, color .15s;
}
.sidebar nav a svg{ width:17px; height:17px; flex-shrink:0; opacity:.85; }
.sidebar nav a:hover{ background: rgba(255,255,255,0.06); color:#fff; }
.sidebar nav a.active{ background: rgba(255,255,255,0.1); color:#fff; }
.sidebar nav a.active::before{ content:''; }

.sidebar .logout-link{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,0.12);
  font-size:12.5px;
  color:#8FA0C4;
}
.sidebar .logout-link:hover{ color:#fff; }

.main{
  flex:1;
  min-width:0;
  padding: 22px 26px 100px;
}

.topbar{
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:18px;
  gap:12px;
}
.topbar h1{ font-size:20px; margin:0; }
.topbar .sub{ color:var(--ink-soft); font-size:13px; margin-top:2px; }

/* Mobile top bar (hidden on desktop) */
.mobile-topbar{ display:none; }

/* ---------- BOTTOM NAV (mobile) ---------- */
.bottom-nav{
  display:none;
}

/* ---------- RECEIPT / WAYBILL LEDGER STRIP (signature element) ---------- */
.ledger-strip{
  position:relative;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  display:flex;
  margin-bottom: 20px;
  overflow:hidden;
  border: 1px solid var(--line);
}
.ledger-strip::before{
  /* perforated left edge like a torn receipt stub */
  content:'';
  position:absolute;
  left:0; top:0; bottom:0;
  width:3px;
  background-image: linear-gradient(var(--line-strong) 50%, transparent 0%);
  background-size: 3px 10px;
  background-repeat: repeat-y;
}
.ledger-cell{
  flex:1;
  padding: 16px 20px;
  position:relative;
}
.ledger-cell + .ledger-cell{
  border-left: 1px dashed var(--line-strong);
}
.ledger-cell .k{
  font-size: 11.5px;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color: var(--ink-faint);
  font-weight:600;
  margin-bottom:6px;
}
.ledger-cell .v{
  font-family:'Space Grotesk',sans-serif;
  font-weight:700;
  font-size: 24px;
  color: var(--ink);
}
.ledger-cell .v.money::after{ content:' đ'; font-size:14px; font-weight:600; color:var(--ink-faint); }
.ledger-cell .v.pos{ color: var(--green); }
.ledger-cell .v.warn{ color: var(--amber); }
.ledger-cell .stub-code{
  position:absolute; top:14px; right:16px;
  font-size:10.5px; color: var(--ink-faint);
  font-family:'JetBrains Mono',monospace;
  letter-spacing: 0.03em;
}

/* ---------- CARDS / GRID ---------- */
.grid{ display:grid; gap:16px; }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
.grid-2{ grid-template-columns: 1.4fr 1fr; }

.card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 18px 20px;
}
.card .card-head{
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:14px;
}
.card .card-head h3{ font-size:14.5px; margin:0; }
.card .card-head .hint{ font-size:12px; color:var(--ink-faint); }

.stat-card .icon{
  width:34px;height:34px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom: 10px;
}
.stat-card .label{ font-size:12px; color:var(--ink-soft); font-weight:500; }
.stat-card .num{ font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:22px; margin-top:2px; }

/* ---------- STAMP STATUS BADGES ---------- */
.stamp{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding: 3px 10px 3px 9px;
  border-radius: 999px;
  border: 1.5px solid currentColor;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.045em;
  white-space:nowrap;
}
.stamp::before{
  content:'';
  width:6px; height:6px;
  border-radius:50%;
  background: currentColor;
}
.stamp.st-amber{ color: var(--amber); background: var(--amber-soft); }
.stamp.st-navy{ color: var(--navy); background: var(--navy-soft); }
.stamp.st-green{ color: var(--green); background: var(--green-soft); }
.stamp.st-red{ color: var(--red); background: var(--red-soft); }
.stamp.st-gray{ color: var(--gray); background: var(--gray-soft); }

/* ---------- TABLE ---------- */
.table-wrap{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
table{ width:100%; border-collapse: collapse; }
thead th{
  text-align:left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  font-weight:600;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}
tbody td{
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  vertical-align: middle;
}
tbody tr:last-child td{ border-bottom:none; }
tbody tr:hover{ background: var(--surface-2); }
.order-id{ font-family:'JetBrains Mono',monospace; color:var(--ink-faint); font-size:12px; }
.cust-name{ font-weight:600; }
.cust-sub{ font-size:12px; color:var(--ink-faint); }

/* ---------- FORMS ---------- */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:14px 16px; }
.field{ display:flex; flex-direction:column; gap:6px; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-size:12.5px; font-weight:600; color: var(--ink-soft); }
.field input, .field select, .field textarea{
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 9px 11px;
  font-size: 13.5px;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline: 2px solid #9DB3DE;
  outline-offset: 1px;
  border-color: var(--navy);
}
.field textarea{ resize: vertical; min-height: 64px; }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:7px;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: opacity .15s, background .15s;
}
.btn-primary{ background: var(--navy); color:#fff; }
.btn-primary:hover{ opacity:0.9; }
.btn-outline{ background:#fff; border-color: var(--line-strong); color: var(--ink); }
.btn-outline:hover{ background: var(--surface-2); }
.btn-danger{ background: var(--red-soft); color: var(--red); }
.btn-sm{ padding:6px 11px; font-size:12.5px; }
.btn-block{ width:100%; }

.filters{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:16px; align-items:flex-end; }
.filters .field{ min-width:150px; }

.actions-cell{ display:flex; gap:6px; }

.empty-state{
  text-align:center;
  padding: 60px 20px;
  color: var(--ink-faint);
}
.empty-state .icon{ font-size:34px; margin-bottom:10px; }

.flash{
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight:500;
  margin-bottom:14px;
}
.flash-success{ background: var(--green-soft); color: var(--green); }
.flash-error{ background: var(--red-soft); color: var(--red); }

.status-select{
  border:1px solid var(--line-strong); border-radius:7px;
  padding:5px 8px; font-size:12px; font-family:inherit; color:var(--ink);
  background:#fff;
}

.chart-box{ position:relative; height:220px; }
.chart-box.small{ height:180px; }

.recent-list{ display:flex; flex-direction:column; }
.recent-item{
  display:flex; align-items:center; justify-content:space-between;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}
.recent-item:last-child{ border-bottom:none; }
.recent-item .who{ font-weight:600; font-size:13.5px; }
.recent-item .meta{ font-size:12px; color:var(--ink-faint); margin-top:2px; }
.recent-item .amt{ font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:13.5px; }

/* ---------- LOGIN ---------- */
.login-page{
  min-height:100vh;
  display:flex; align-items:center; justify-content:center;
  background: var(--navy);
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.06), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,0.05), transparent 40%);
  padding: 20px;
}
.login-card{
  width: 100%; max-width: 380px;
  background: var(--surface);
  border-radius: 14px;
  padding: 34px 30px;
  box-shadow: var(--shadow-pop);
}
.login-card .brand-mark{
  width:44px;height:44px;border-radius:10px;
  background: linear-gradient(155deg, #3B5D9E, #1B2A4A 70%);
  display:flex;align-items:center;justify-content:center;
  color:#fff; font-family:'Space Grotesk',sans-serif; font-weight:700;
  margin-bottom: 16px;
}
.login-card h1{ font-size:19px; margin:0 0 4px; }
.login-card .sub{ font-size:13px; color:var(--ink-soft); margin-bottom:22px; }
.login-card .field{ margin-bottom:14px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 880px){
  .grid-4{ grid-template-columns: repeat(2,1fr); }
  .grid-2{ grid-template-columns: 1fr; }
  .form-grid{ grid-template-columns: 1fr; }

  .sidebar{ display:none; }
  .main{ padding: 0 0 84px; }

  .mobile-topbar{
    display:flex; align-items:center; justify-content:space-between;
    padding: 16px 18px 10px;
    position: sticky; top:0; z-index:20;
    background: var(--bg);
  }
  .mobile-topbar .brand{ display:flex; align-items:center; gap:9px; }
  .mobile-topbar .brand-mark{
    width:30px;height:30px;border-radius:7px;
    background: linear-gradient(155deg, #3B5D9E, #1B2A4A 70%);
    display:flex;align-items:center;justify-content:center;
    color:#fff; font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:13px;
  }
  .mobile-topbar .brand-text{ font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:14.5px; }
  .mobile-topbar a.logout-link{ font-size:12px; color:var(--ink-faint); }

  .content-pad{ padding: 0 16px; }

  .ledger-strip{ flex-wrap:wrap; }
  .ledger-cell{ flex: 1 1 50%; padding: 14px 16px; }
  .ledger-cell:nth-child(2){ border-left:1px dashed var(--line-strong); }
  .ledger-cell:nth-child(3){ border-left:none; border-top:1px dashed var(--line-strong); flex-basis:100%; }
  .ledger-cell .v{ font-size:20px; }

  .table-wrap{ overflow-x:auto; }
  table{ min-width: 640px; }

  .bottom-nav{
    display:flex;
    position:fixed; bottom:0; left:0; right:0;
    background: var(--surface);
    border-top: 1px solid var(--line);
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
    z-index: 30;
    box-shadow: 0 -2px 10px rgba(27,42,74,0.06);
  }
  .bottom-nav a{
    flex:1;
    display:flex; flex-direction:column; align-items:center; gap:3px;
    padding: 6px 0;
    color: var(--ink-faint);
    font-size: 10.5px;
    font-weight:600;
    border-radius: 8px;
  }
  .bottom-nav a svg{ width:20px; height:20px; }
  .bottom-nav a.active{ color: var(--navy); }
  .bottom-nav a.fab{
    background: var(--navy);
    color:#fff;
    margin-top:-18px;
    width:46px; height:46px;
    border-radius:50%;
    flex: 0 0 46px;
    align-self:center;
    justify-content:center;
    box-shadow: 0 6px 14px rgba(27,42,74,0.35);
  }
  .bottom-nav a.fab svg{ width:22px; height:22px; }
  .bottom-nav a.fab span{ display:none; }
}

@media (max-width: 880px){
  .stub-code{ display:none; }
}

html, body { overflow-x: hidden; max-width: 100%; }
@media (max-width: 880px){
  .app-shell{ display: block; }
  .sidebar{ display: none !important; }
  .main{ width: 100%; }
}