/* ============================================================
   PosBiz Cloud — Base: reset, typography, buttons, forms, tables,
   badges, cards, modals, toasts, utilities. WCAG 2.2 AA targets.
   ============================================================ */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:15px;line-height:1.55;color:var(--text);background:var(--bg)}
h1,h2,h3,h4,h5{margin:0 0 .5em;line-height:1.25;font-weight:700;letter-spacing:-.01em}
h1{font-size:28px}h2{font-size:22px}h3{font-size:17px}h4{font-size:15px}
p{margin:0 0 1em}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-strong);text-decoration:underline}
img{max-width:100%;display:block}
hr{border:none;border-top:1px solid var(--border);margin:20px 0}
code,kbd,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}
table{border-collapse:collapse}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--radius-s)}
::placeholder{color:var(--text-faint)}

.ic{width:20px;height:20px;flex:none;vertical-align:-4px}
.ic-sm{width:16px;height:16px}
.ic-lg{width:24px;height:24px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;
  border-radius:var(--radius-s);border:1px solid transparent;font:inherit;font-weight:600;font-size:14.5px;cursor:pointer;
  transition:background var(--t-fast) var(--ease),border-color var(--t-fast),transform var(--t-fast),box-shadow var(--t-fast);
  text-decoration:none!important;user-select:none;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn:disabled,.btn[aria-disabled=true]{opacity:.5;cursor:not-allowed;transform:none}
.btn-primary{background:var(--accent);color:var(--accent-contrast)}
.btn-primary:hover{background:var(--accent-strong);color:var(--accent-contrast)}
.btn-gradient{background:var(--grad-dark);color:#fff}
.btn-gradient:hover{filter:brightness(1.1);color:#fff}
.btn-outline{background:var(--surface);border-color:var(--border-strong);color:var(--text)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-ghost{background:transparent;color:var(--text-muted)}
.btn-ghost:hover{background:var(--surface-2);color:var(--text)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{filter:brightness(1.08)}
.btn-danger-soft{background:var(--danger-soft);color:var(--danger-text)}
.btn-success{background:var(--success);color:#fff}
.btn-sm{min-height:34px;padding:5px 12px;font-size:13.5px;border-radius:8px}
.btn-lg{min-height:52px;padding:14px 28px;font-size:16px}
.btn-block{width:100%}
.btn-icon{min-height:38px;width:38px;padding:0;border-radius:10px}

/* ---------- Forms ---------- */
.field{margin-bottom:16px}
.label{display:flex;align-items:center;gap:6px;font-weight:600;font-size:13.5px;color:var(--text);margin-bottom:6px}
.label .hint{font-weight:400;color:var(--text-faint)}
.input,.select,.textarea{width:100%;min-height:44px;padding:10px 14px;font:inherit;font-size:15px;color:var(--text);
  background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-s);
  transition:border-color var(--t-fast),box-shadow var(--t-fast)}
.textarea{min-height:96px;resize:vertical}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--accent);box-shadow:var(--focus-ring)}
.input[aria-invalid="true"],.input.is-invalid{border-color:var(--danger)}
.field-error{color:var(--danger-text);font-size:13px;margin-top:5px}
.field-help{color:var(--text-faint);font-size:13px;margin-top:5px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-row-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.check{display:flex;gap:10px;align-items:flex-start;padding:8px 0}
.check input[type=checkbox],.check input[type=radio]{width:18px;height:18px;margin-top:2px;accent-color:var(--accent)}
.check label{font-size:14.5px}
.input-money{position:relative}
.input-money>span{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-faint);font-size:14px}
.input-money .input{padding-left:52px}
.input-scan{position:relative}
.input-scan .input{padding-right:46px}
.input-scan .scan-btn{position:absolute;right:6px;top:50%;transform:translateY(-50%)}

/* ---------- Cards & panels ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-1)}
.card-pad{padding:22px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 22px;border-bottom:1px solid var(--border)}
.card-head h3{margin:0;font-size:15.5px}
.card-body{padding:22px}
.card-foot{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:12px}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.tbl{width:100%;font-size:14.5px}
.tbl th{text-align:left;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);
  padding:10px 14px;border-bottom:1px solid var(--border);white-space:nowrap}
.tbl td{padding:0 14px;height:var(--row-h);border-bottom:1px solid var(--border);vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl tbody tr:hover{background:var(--surface-2)}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums}
.tbl th.num{text-align:right}
.tbl .total-row td{font-weight:700;border-top:2px solid var(--border-strong);background:var(--surface-2)}
[data-density="compact"] .tbl td{height:36px}

/* ---------- Badges & pills ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;white-space:nowrap}
.badge-soft{background:var(--surface-3);color:var(--text-muted)}
.badge-brand{background:var(--accent-soft);color:var(--accent-strong)}
.badge-success{background:var(--success-soft);color:var(--success-text)}
.badge-warning{background:var(--warning-soft);color:var(--warning-text)}
.badge-danger{background:var(--danger-soft);color:var(--danger-text)}
.badge-info{background:var(--info-soft);color:var(--info-text)}
.badge-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}

/* ---------- Alerts ---------- */
.alert{display:flex;gap:10px;align-items:flex-start;padding:13px 16px;border-radius:var(--radius-s);font-size:14.5px;margin-bottom:16px;border:1px solid transparent}
.alert .ic{margin-top:1px}
.alert-info{background:var(--info-soft);color:var(--info-text)}
.alert-success{background:var(--success-soft);color:var(--success-text)}
.alert-warning{background:var(--warning-soft);color:var(--warning-text)}
.alert-danger{background:var(--danger-soft);color:var(--danger-text)}

/* ---------- Tabs ---------- */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--border);margin-bottom:18px;overflow-x:auto}
.tab{padding:10px 16px;font-weight:600;font-size:14px;color:var(--text-muted);border-bottom:2px solid transparent;white-space:nowrap;cursor:pointer;background:none;border-top:none;border-left:none;border-right:none;font-family:inherit}
.tab:hover{color:var(--text)}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}

/* ---------- Modal ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(15,10,20,.55);display:none;align-items:center;justify-content:center;z-index:80;padding:16px}
.modal-backdrop.open{display:flex}
.modal{background:var(--surface);border-radius:var(--radius-l);box-shadow:var(--shadow-3);width:100%;max-width:520px;max-height:92vh;display:flex;flex-direction:column;animation:pop var(--t-med) var(--ease)}
.modal-lg{max-width:820px}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid var(--border)}
.modal-head h3{margin:0;font-size:16px}
.modal-body{padding:22px;overflow-y:auto}
.modal-foot{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}
@keyframes pop{from{opacity:0;transform:scale(.97) translateY(6px)}to{opacity:1;transform:none}}

/* ---------- Toasts ---------- */
.toasts{position:fixed;bottom:18px;right:18px;display:flex;flex-direction:column;gap:8px;z-index:100;max-width:min(92vw,380px)}
[dir="rtl"] .toasts{right:auto;left:18px}
.toast{display:flex;gap:10px;align-items:flex-start;background:var(--ink-900);color:#fff;padding:12px 16px;border-radius:var(--radius);
  box-shadow:var(--shadow-2);font-size:14px;animation:slide-up var(--t-med) var(--ease)}
.toast-success{background:#135C41}
.toast-error{background:#7E2738}
.toast a{color:#fff;text-decoration:underline}
@keyframes slide-up{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- Dropdown ---------- */
.dropdown{position:relative;display:inline-block}
.dropdown-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:200px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow-2);padding:6px;display:none;z-index:60}
.dropdown.open .dropdown-menu{display:block}
.dropdown-menu a,.dropdown-menu button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:9px 12px;border:none;background:none;
  font:inherit;font-size:14px;color:var(--text);border-radius:8px;cursor:pointer;text-decoration:none}
.dropdown-menu a:hover,.dropdown-menu button:hover{background:var(--surface-2);text-decoration:none;color:var(--text)}
.dropdown-sep{height:1px;background:var(--border);margin:6px 4px}

/* ---------- Misc ---------- */
.muted{color:var(--text-muted)}
.faint{color:var(--text-faint)}
.small{font-size:13px}
.mono{font-variant-numeric:tabular-nums}
.flex{display:flex;align-items:center;gap:10px}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:12px}
.grow{flex:1}
.wrap{flex-wrap:wrap}
.stack-8>*+*{margin-top:8px}.stack-12>*+*{margin-top:12px}.stack-16>*+*{margin-top:16px}.stack-24>*+*{margin-top:24px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}
.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}
.hidden{display:none!important}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--grad-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex:none}
.divider-label{display:flex;align-items:center;gap:12px;color:var(--text-faint);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;margin:18px 0}
.divider-label::before,.divider-label::after{content:"";height:1px;background:var(--border);flex:1}
.kbd{display:inline-block;padding:2px 7px;border:1px solid var(--border-strong);border-bottom-width:2px;border-radius:6px;font-size:11.5px;background:var(--surface-2);color:var(--text-muted)}
.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}
.empty-state .ic{width:44px;height:44px;color:var(--text-faint);margin:0 auto 12px}
.skeleton{background:linear-gradient(90deg,var(--surface-2) 25%,var(--surface-3) 50%,var(--surface-2) 75%);background-size:200% 100%;animation:shimmer 1.4s infinite;border-radius:8px}
@keyframes shimmer{to{background-position:-200% 0}}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  h1{font-size:24px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form-row,.form-row-3{grid-template-columns:1fr}
  .card-pad,.card-body{padding:16px}
  .btn{min-height:46px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}