:root {
  --bg: #f1f5f9;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-soft: #eef2ff;
  --success: #16a34a;
  --success-soft: #dcfce7;
  --warn: #f59e0b;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 30px rgba(2,6,23,.12);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", "Noto Sans Lao", "Lao UI", "Saysettha OT", "Phetsarath OT", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }

/* ---------- Buttons ---------- */
.btn {
  font: inherit;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 9px 16px;
  cursor: pointer;
  font-weight: 600;
  transition: all .15s ease;
  background: #e2e8f0;
  color: var(--text);
}
.btn:hover { filter: brightness(.97); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); filter: none; }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-danger { background: var(--danger-soft); color: var(--danger); }
.btn-sm { padding: 6px 12px; font-size: .85rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #2563eb 100%);
}
.login-card {
  background: var(--surface);
  width: 100%;
  max-width: 380px;
  padding: 36px 32px;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-logo {
  width: 60px; height: 60px;
  border-radius: 16px;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid; place-items: center;
  font-size: 32px; font-weight: 800;
  margin: 0 auto;
}
.login-card h1 { text-align: center; margin: 6px 0 0; font-size: 1.5rem; letter-spacing: .5px; }
.login-sub { text-align: center; color: var(--muted); margin: 0 0 8px; font-size: .92rem; }
.login-card label { font-size: .85rem; font-weight: 600; color: var(--muted); display: flex; flex-direction: column; gap: 5px; }
.login-card input, .content input, .content select, .content textarea {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  width: 100%;
}
.login-card input:focus, .content input:focus, .content select:focus, .content textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft);
}
.login-hint { text-align: center; font-size: .8rem; color: var(--muted); background: var(--bg); padding: 10px; border-radius: 10px; }
.form-error { color: var(--danger); font-size: .85rem; text-align: center; min-height: 1em; }

/* ---------- Topbar ---------- */
.app { min-height: 100vh; }
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0; z-index: 20;
}
.brand { font-weight: 800; font-size: 1.1rem; display: flex; align-items: center; gap: 8px; }
.brand-mark { background: var(--primary); color: #fff; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; font-size: 15px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.user-badge { font-size: .88rem; color: var(--muted); }
.user-badge b { color: var(--text); }
.user-badge:hover b { text-decoration: underline; text-decoration-style: dotted; }
.role-pill { font-size: .7rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; margin-left: 6px; }
.role-boss { background: #fef3c7; color: #b45309; }
.role-emp { background: var(--primary-soft); color: var(--primary); }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; padding: 10px 20px 0; background: var(--surface); border-bottom: 1px solid var(--border); overflow-x: auto; position: sticky; top: 58px; z-index: 15; }
.tab {
  border: none; background: none; font: inherit; font-weight: 600;
  padding: 10px 16px; cursor: pointer; color: var(--muted);
  border-bottom: 3px solid transparent; white-space: nowrap;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab .badge { background: var(--danger); color: #fff; border-radius: 999px; font-size: .7rem; padding: 1px 7px; margin-left: 6px; }

/* ---------- Content ---------- */
.content { max-width: 960px; margin: 0 auto; padding: 22px 20px 60px; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head h2 { margin: 0; font-size: 1.35rem; }
.page-head .sub { color: var(--muted); font-size: .9rem; margin-top: 2px; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }
.card-pad { padding: 18px; }

/* stat cards */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.stat .n { font-size: 1.9rem; font-weight: 800; line-height: 1; }
.stat .l { color: var(--muted); font-size: .85rem; margin-top: 6px; }
.stat.ok .n { color: var(--success); }
.stat.warn .n { color: var(--warn); }
.stat.bad .n { color: var(--danger); }

/* progress */
.progress { height: 9px; background: #e5e7eb; border-radius: 999px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--success); border-radius: 999px; transition: width .4s ease; }
.progress.low > span { background: var(--danger); }
.progress.mid > span { background: var(--warn); }

/* employee overview rows */
.emp-row { display: grid; grid-template-columns: 1fr auto; gap: 6px 14px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--border); cursor: pointer; }
.emp-row:last-child { border-bottom: none; }
.emp-row:hover { background: #fafbff; }
.emp-name { font-weight: 700; }
.emp-dept { color: var(--muted); font-size: .82rem; }
.emp-count { font-size: .85rem; color: var(--muted); text-align: right; white-space: nowrap; }
.emp-bar { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; }
.emp-bar .progress { flex: 1; }
.emp-pct { font-weight: 700; font-size: .85rem; width: 42px; text-align: right; }

/* task list */
.task { display: flex; align-items: flex-start; gap: 12px; padding: 13px 4px; border-bottom: 1px solid var(--border); }
.task:last-child { border-bottom: none; }
.task-check {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 8px;
  border: 2px solid #cbd5e1; background: #fff; cursor: pointer;
  display: grid; place-items: center; margin-top: 1px; transition: all .15s;
  color: #fff; font-size: 16px; font-weight: 800;
}
.task-check:hover { border-color: var(--success); }
.task.done .task-check { background: var(--success); border-color: var(--success); }
.task-body { flex: 1; min-width: 0; }
.task-title { font-weight: 600; }
.task.done .task-title { text-decoration: line-through; color: var(--muted); }
.task-desc { color: var(--muted); font-size: .86rem; margin-top: 2px; }
.task-meta { font-size: .78rem; color: var(--muted); margin-top: 4px; }
.task-actions { display: flex; gap: 6px; flex-shrink: 0; }
.icon-btn { background: none; border: none; cursor: pointer; color: var(--muted); font-size: 1rem; padding: 4px 6px; border-radius: 6px; }
.icon-btn:hover { background: var(--bg); color: var(--text); }

/* alerts */
.alert-item { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.alert-item:last-child { border-bottom: none; }
.alert-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.alert-dot.overdue { background: var(--danger); }
.alert-dot.today { background: var(--warn); }
.alert-main { flex: 1; }
.alert-who { font-size: .82rem; color: var(--muted); }
.date-tag { font-size: .78rem; background: var(--danger-soft); color: var(--danger); padding: 2px 8px; border-radius: 999px; }
.date-tag.today { background: #fef3c7; color: #b45309; }

/* history table */
.htable { width: 100%; border-collapse: collapse; }
.htable th, .htable td { text-align: left; padding: 11px 8px; border-bottom: 1px solid var(--border); font-size: .9rem; }
.htable th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: none; }
.htable .prog-cell { display: flex; align-items: center; gap: 10px; min-width: 160px; }
.htable .prog-cell .progress { flex: 1; }

/* empty state */
.empty { text-align: center; padding: 40px 20px; color: var(--muted); }
.empty .emoji { font-size: 2.4rem; }

/* form grid */
.form-grid { display: grid; gap: 12px; }
.form-grid label { font-size: .82rem; font-weight: 600; color: var(--muted); display: flex; flex-direction: column; gap: 5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* modal */
.modal-back { position: fixed; inset: 0; background: rgba(15,23,42,.45); display: grid; place-items: center; z-index: 50; padding: 20px; }
.modal { background: var(--surface); border-radius: 18px; width: 100%; max-width: 440px; box-shadow: var(--shadow-lg); }
.modal-head { padding: 18px 20px; border-bottom: 1px solid var(--border); font-weight: 700; font-size: 1.1rem; display: flex; justify-content: space-between; align-items: center; }
.modal-body { padding: 20px; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* toast */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: #0f172a; color: #fff; padding: 12px 22px; border-radius: 12px; box-shadow: var(--shadow-lg); z-index: 100; font-weight: 600; font-size: .9rem; animation: pop .25s ease; }
.toast.ok { background: var(--success); }
.toast.err { background: var(--danger); }
@keyframes pop { from { opacity: 0; transform: translate(-50%, 10px); } }

.date-input { display: inline-flex; align-items: center; gap: 8px; }
.chip { display: inline-block; font-size: .78rem; background: var(--primary-soft); color: var(--primary); padding: 3px 10px; border-radius: 999px; font-weight: 600; }

/* ---------- Orders ---------- */
.order-card + .order-card { margin-top: 16px; }
.order-card.order-done { opacity: .82; }
.order-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; }
.order-customer { font-weight: 800; font-size: 1.05rem; }
.order-title { color: var(--text); margin-top: 2px; }
.order-phone { color: var(--muted); font-size: .82rem; margin-top: 3px; }
.order-due { text-align: right; font-size: .82rem; color: var(--muted); white-space: nowrap; line-height: 1.35; }
.order-due b { font-size: .9rem; color: var(--text); }
.order-due.warn { color: var(--warn); } .order-due.warn b { color: var(--warn); }
.order-due.bad { color: var(--danger); } .order-due.bad b { color: var(--danger); }
.order-due.ok b { color: var(--success); }

.stepper { display: flex; align-items: flex-start; margin: 18px 0 14px; }
.step { flex: 1; text-align: center; position: relative; padding: 0 2px; }
.step::before { content: ""; position: absolute; top: 13px; left: -50%; width: 100%; height: 3px; background: #e2e8f0; z-index: 1; }
.step:first-child::before { display: none; }
.step.done::before, .step.current::before { background: var(--success); }
.step-dot { position: relative; z-index: 2; width: 28px; height: 28px; border-radius: 50%; margin: 0 auto; display: grid; place-items: center; background: #e2e8f0; color: #94a3b8; font-weight: 700; font-size: .8rem; }
.step.done .step-dot { background: var(--success); color: #fff; }
.step.current .step-dot { background: var(--primary); color: #fff; box-shadow: 0 0 0 4px var(--primary-soft); }
.step-label { font-size: .7rem; margin-top: 7px; color: var(--muted); line-height: 1.25; }
.step.done .step-label { color: var(--text); }
.step.current .step-label { color: var(--primary); font-weight: 700; }

.order-money { display: flex; gap: 10px; flex-wrap: wrap; margin: 4px 0 12px; }
.order-money > div { flex: 1; min-width: 100px; background: var(--bg); border-radius: 10px; padding: 8px 12px; }
.order-money span { display: block; font-size: .72rem; color: var(--muted); }
.order-money b { font-size: .95rem; }
.order-money .bal b { color: var(--danger); }
.order-money .bal span { color: var(--danger); }
.order-note { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; border-radius: 10px; padding: 8px 12px; font-size: .86rem; margin-bottom: 12px; }

.order-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; border-top: 1px solid var(--border); padding-top: 14px; }
.order-stage-chip { background: var(--primary-soft); color: var(--primary); }
.order-stage-chip.done { background: var(--success-soft); color: var(--success); }
.order-actions { display: flex; align-items: center; gap: 6px; }

@media (max-width: 560px) {
  .step-label { font-size: .6rem; }
  .order-head { flex-direction: column; }
  .order-due { text-align: left; }
}

/* ---------- Attendance (ລົງເວລາ) ---------- */
.att-info { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.att-place, .att-hours { font-size: .95rem; }
.att-radius { font-size: .78rem; color: var(--muted); background: var(--bg); padding: 2px 8px; border-radius: 999px; margin-left: 6px; }
.att-actions-card { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.att-slot { text-align: center; display: flex; flex-direction: column; gap: 10px; }
.att-slot-head { font-weight: 700; color: var(--muted); font-size: .85rem; }
.att-time { font-size: 2.4rem; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.att-hint { text-align: center; color: var(--muted); font-size: .85rem; margin-top: 12px; min-height: 1em; }

.att-pill { display: inline-block; font-size: .76rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.att-pill.none { background: #e2e8f0; color: #64748b; }
.att-pill.ontime { background: var(--success-soft); color: var(--success); }
.att-pill.early { background: #dbeafe; color: #2563eb; }
.att-pill.late { background: var(--danger-soft); color: var(--danger); }
.att-pill.over { background: #ede9fe; color: #7c3aed; }

@media (max-width: 480px) {
  .att-actions-card { grid-template-columns: 1fr; }
  .att-time { font-size: 2rem; }
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
  .page-head { flex-direction: column; align-items: flex-start; }
  .content { padding: 16px 14px 50px; }
}