/* ===== BatLab ai — Cashier CSS ===== */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --c-bg:       #0F1117;
  --c-bg2:      #161B27;
  --c-bg3:      #1E2435;
  --c-border:   rgba(255,255,255,0.07);
  --c-text:     #F1F5F9;
  --c-text2:    #94A3B8;
  --c-text3:    #64748B;
  --c-primary:  #4F46E5;
  --c-primary-bright: #818CF8;
  --c-green:    #10B981;
  --c-red:      #EF4444;
  --c-amber:    #F59E0B;
  --c-blue:     #3B82F6;
  --radius:     14px;
  --radius-sm:  9px;
  --shadow:     0 4px 24px rgba(0,0,0,.35);
}

[data-theme="light"] {
  --c-bg:     #CAC8C8;
  --c-bg2:    #C2C2C2;
  --c-bg3:    #C2C2C2;
  --c-border: rgba(0,0,0,0.22);
  --c-text:   #0E0E14;
  --c-text2:  #3A3A42;
  --c-text3:  #5E5E66;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: 'Cairo', sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  direction: rtl;
  font-size: 14px;
  line-height: 1.5;
}

/* ===== LAYOUT ===== */
#appScreen {
  display: none;
  flex-direction: column;
  min-height: 100vh;
}

/* ===== TOPBAR ===== */
.cashier-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-bg2);
  border-bottom: 1px solid var(--c-border);
  padding: 0 20px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.cashier-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-text);
}

.cashier-logo span {
  color: var(--c-primary-bright);
}

.topbar-tabs {
  display: flex;
  background: var(--c-bg3);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--c-border);
}

.topbar-tab {
  padding: 6px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  color: var(--c-text3);
  transition: all .18s;
  border: none;
  background: transparent;
  font-family: 'Cairo', sans-serif;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.topbar-tab.active {
  background: var(--c-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(79,70,229,.35);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== MAIN ===== */
.cashier-main {
  flex: 1;
  max-width: 700px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 16px 80px;
}

/* ===== PAGES ===== */
.page { display: none; }
.page.active { display: block; }

/* ===== LOGIN ===== */
#loginScreen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.login-box {
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 36px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow);
}

.login-logo {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
  text-align: center;
}

.login-logo span { color: var(--c-primary-bright); }
.login-sub { font-size: 12px; color: var(--c-text3); text-align: center; margin-bottom: 24px; }

/* ===== CARD ===== */
.card {
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 1px 6px rgba(0,0,0,.12);
}

/* ===== FORM ===== */
.fg { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.fg label { font-size: 11px; color: var(--c-text3); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.fg input, .fg select, .fg textarea {
  padding: 10px 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: var(--c-bg3);
  color: var(--c-text);
  font-size: 13px;
  font-family: 'Cairo', sans-serif;
  outline: none;
  transition: border-color .15s;
  width: 100%;
}
.fg input:focus, .fg select:focus { border-color: rgba(79,70,229,.5); }

/* ===== SALE FORM CARD ===== */
.sale-form-card {
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
}

.sale-form-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--c-text3);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sale-form-title i { font-size: 15px; color: var(--c-primary-bright); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.price-row { display: flex; gap: 6px; align-items: center; }
.price-cur-badge {
  padding: 5px 8px;
  background: var(--c-bg3);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 700;
  color: var(--c-text3);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ===== SUMMARY BAR ===== */
.sale-summary-bar {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--c-border);
}

.sum-item { text-align: center; }
.sum-label { font-size: 10px; color: var(--c-text3); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 3px; }
.sum-val { font-size: 16px; font-weight: 700; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 18px;
  background: var(--c-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  font-family: 'Cairo', sans-serif;
  cursor: pointer;
  transition: all .18s;
}
.btn-primary:hover { background: #4338CA; }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }

.btn-sm {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  background: var(--c-bg3);
  color: var(--c-text2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  font-family: 'Cairo', sans-serif;
  cursor: pointer;
  transition: all .15s;
}
.btn-sm:hover { border-color: rgba(79,70,229,.4); color: var(--c-primary-bright); }

.btn-red {
  background: rgba(239,68,68,.08) !important;
  border-color: rgba(239,68,68,.25) !important;
  color: var(--c-red) !important;
}
.btn-red:hover { background: rgba(239,68,68,.18) !important; }

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
}
.badge-g  { background: rgba(16,185,129,.12); color: #34D399; border: 1px solid rgba(16,185,129,.25); }
.badge-a  { background: rgba(245,158,11,.12); color: #FCD34D; border: 1px solid rgba(245,158,11,.25); }
.badge-b  { background: rgba(59,130,246,.12);  color: #60A5FA; border: 1px solid rgba(59,130,246,.25); }
.badge-r  { background: rgba(239,68,68,.12);   color: #F87171; border: 1px solid rgba(239,68,68,.25); }
.badge-p  { background: rgba(167,139,250,.12); color: #C4B5FD; border: 1px solid rgba(167,139,250,.25); }

/* ===== TABS ===== */
.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  overflow-x: auto;
  padding-bottom: 2px;
  -webkit-overflow-scrolling: touch;
}
.tab {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  color: var(--c-text3);
  background: var(--c-bg3);
  border: 1px solid var(--c-border);
  transition: all .15s;
  white-space: nowrap;
  flex-shrink: 0;
}
.tab.active { background: var(--c-primary); color: #fff; border-color: transparent; }

/* ===== EMPTY STATE ===== */
.empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--c-text3);
}
.empty i { font-size: 40px; opacity: .25; display: block; margin-bottom: 12px; }
.empty p { font-size: 14px; }

/* ===== PAGE TITLE ===== */
.page-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--c-text);
}

/* ===== BUSY OVERLAY ===== */
#busyOverlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.75);
  z-index: 9000;
  align-items: center;
  justify-content: center;
}
#busyOverlay.visible { display: flex; }
.busy-card {
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
}
.busy-spinner {
  width: 26px; height: 26px;
  border: 3px solid var(--c-border);
  border-top-color: var(--c-primary-bright);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
}
.busy-msg { font-size: 14px; font-weight: 600; color: var(--c-text); }

/* ===== TOAST ===== */
#toastContainer {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  width: max-content;
  max-width: 90vw;
}
.toast {
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  pointer-events: auto;
  animation: toastIn .25s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
}
.toast-success { background: #064E3B; color: #6EE7B7; border: 1px solid rgba(16,185,129,.3); }
.toast-error   { background: #450A0A; color: #FCA5A5; border: 1px solid rgba(239,68,68,.3); }

/* ===== MODAL ===== */
#modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.75);
  z-index: 8000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
#modal.open { display: flex; }
#modalContent {
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-hdr {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.modal-title { font-size: 16px; font-weight: 700; }
.close-btn {
  width: 30px; height: 30px;
  background: var(--c-bg3);
  border: 1px solid var(--c-border);
  border-radius: 7px;
  cursor: pointer;
  color: var(--c-text2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}

/* ===== LOADING BAR ===== */
.loading-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary-bright));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s ease;
  z-index: 9999;
}
.loading-bar.active { transform: scaleX(1); transform-origin: left; }

/* ===== USER ROW ===== */
.user-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.user-email {
  font-size: 11px;
  color: var(--c-text3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 160px;
}

/* ===== ANIMATIONS ===== */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scanLine {
  0%   { top: 25%; }
  50%  { top: 70%; }
  100% { top: 25%; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {

  /* Topbar: لوغو + أكشنز بصف، تبويبات بصف تاني */
  .cashier-topbar {
    height: auto;
    flex-wrap: wrap;
    padding: 10px 14px 0;
    gap: 8px;
  }

  .cashier-logo {
    flex: 1;
    font-size: 15px;
  }

  .cashier-logo img {
    width: 30px !important;
    height: 30px !important;
  }

  /* التبويبات تنزل تحت وتاخذ عرض كامل */
  .topbar-tabs {
    order: 3;
    width: 100%;
    margin-bottom: 8px;
  }

  .topbar-tab {
    flex: 1;
    justify-content: center;
    padding: 7px 8px;
    font-size: 12px;
  }

  /* مؤشر مباشر يروح جنب الأكشنز */
  #liveIndicator {
    order: 2;
  }

  .topbar-actions {
    order: 2;
    gap: 6px;
  }

  /* إيميل المستخدم يختصر */
  .user-email {
    display: none;
  }

  /* المحتوى */
  .cashier-main {
    padding: 12px 10px 90px;
  }

  /* فورم */
  .form-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .sale-form-card {
    padding: 14px;
    margin-bottom: 10px;
  }

  /* سعر مرجعي */
  #quickRefPriceBadge {
    font-size: 10px !important;
  }

  /* زر تأكيد البيع */
  .btn-primary[onclick="submitQuickSale()"] {
    padding: 14px !important;
    font-size: 15px !important;
    border-radius: 12px;
  }

  /* كاردات المبيعات */
  .card {
    padding: 14px;
  }

  /* modal */
  #modalContent {
    padding: 18px;
    max-height: 85vh;
  }

  /* toast */
  #toastContainer {
    bottom: 80px;
    width: 90vw;
  }

  /* page title */
  .page-title {
    font-size: 17px;
    margin-bottom: 14px;
  }

  /* tabs سجل المبيعات */
  .tabs {
    gap: 5px;
  }

  .tab {
    padding: 5px 11px;
    font-size: 11px;
  }
}