/**
 * ChainLine POS — Design System v2 Styles
 * Supplements pos-styles.css with: modals, toasts, command palette,
 * skeletons, stat cards, badges, avatars, kbd chips, print, mobile, animations.
 */

/* ─────────────────────────────────────────────
   KEYFRAMES
   ───────────────────────────────────────────── */

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-18px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)     scale(1);    }
}

@keyframes slideUp {
  from { opacity: 1; transform: translateY(0)     scale(1);    }
  to   { opacity: 0; transform: translateY(-14px) scale(0.97); }
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(110%); }
  to   { opacity: 1; transform: translateX(0);    }
}

@keyframes toastSlideOut {
  from { opacity: 1; transform: translateX(0);    }
  to   { opacity: 0; transform: translateX(110%); }
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0);    }
}

@keyframes shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position:  600px 0; }
}

@keyframes cpFadeIn {
  from { opacity: 0; transform: translateY(-10px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0)      scale(1);   }
}


/* ─────────────────────────────────────────────
   FOCUS STYLES — override browser default blue
   ───────────────────────────────────────────── */

*:focus-visible {
  outline: 2px solid #c8392c;
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}


/* ─────────────────────────────────────────────
   PAGE TRANSITIONS
   ───────────────────────────────────────────── */

.pos-page {
  animation: fadeSlideUp 0.15s ease both;
}


/* ─────────────────────────────────────────────
   MODAL
   ───────────────────────────────────────────── */

.pos-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.15s ease both;
}

.pos-modal-backdrop.pos-modal-backdrop-exit {
  animation: none;
  opacity: 0;
  transition: opacity 0.18s ease;
}

.pos-modal {
  background: #1c1c1c;
  border: 1px solid #2a2a2a;
  border-radius: 10px;
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255,255,255,0.04);
  animation: slideDown 0.18s cubic-bezier(0.34, 1.2, 0.64, 1) both;
}

.pos-modal.pos-modal-exit {
  animation: slideUp 0.15s ease both;
}

.pos-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid #2a2a2a;
  flex-shrink: 0;
}

.pos-modal-title {
  font-size: 15px;
  font-weight: 600;
  color: #f5f4f2;
  letter-spacing: -0.01em;
}

.pos-modal-x {
  background: none;
  border: none;
  color: #8a8885;
  font-size: 14px;
  line-height: 1;
  padding: 4px 6px;
  border-radius: 4px;
  transition: color 140ms, background 140ms;
}

.pos-modal-x:hover {
  color: #f5f4f2;
  background: #2a2a2a;
}

.pos-modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
  color: #c8c6c4;
  font-size: 14px;
  line-height: 1.6;
}

.pos-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 20px 18px;
  border-top: 1px solid #2a2a2a;
  flex-shrink: 0;
}


/* ─────────────────────────────────────────────
   BUTTONS (used by Modal + general)
   ───────────────────────────────────────────── */

.pos-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background 140ms, border-color 140ms, color 140ms;
  white-space: nowrap;
}

.pos-btn-primary {
  background: #c8392c;
  color: #fff;
  border-color: #c8392c;
}

.pos-btn-primary:hover {
  background: #e04436;
  border-color: #e04436;
}

.pos-btn-danger {
  background: transparent;
  color: #dc2626;
  border-color: #3a2020;
}

.pos-btn-danger:hover {
  background: rgba(220, 38, 38, 0.12);
  border-color: #dc2626;
}

.pos-btn-ghost {
  background: transparent;
  color: #8a8885;
  border-color: #2a2a2a;
}

.pos-btn-ghost:hover {
  background: #2a2a2a;
  color: #f5f4f2;
}


/* ─────────────────────────────────────────────
   TOAST NOTIFICATIONS
   ───────────────────────────────────────────── */

#pos-toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.pos-toast {
  pointer-events: all;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
  max-width: 380px;
  padding: 11px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

.pos-toast-enter {
  animation: toastSlideIn 0.22s cubic-bezier(0.34, 1.2, 0.64, 1) both;
}

.pos-toast-exit {
  animation: toastSlideOut 0.18s ease both;
}

.pos-toast-success {
  background: #0d2318;
  border-color: #16a34a;
  color: #4ade80;
}

.pos-toast-error {
  background: #220f0f;
  border-color: #dc2626;
  color: #f87171;
}

.pos-toast-info {
  background: #0f1a2e;
  border-color: #2563eb;
  color: #60a5fa;
}

.pos-toast-icon {
  font-size: 12px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: currentColor;
  color: #0a0a0a;
}

.pos-toast-msg {
  flex: 1;
}

.pos-toast-close {
  background: none;
  border: none;
  color: currentColor;
  opacity: 0.5;
  font-size: 11px;
  padding: 2px 4px;
  border-radius: 3px;
  transition: opacity 140ms;
}

.pos-toast-close:hover {
  opacity: 1;
}


/* ─────────────────────────────────────────────
   COMMAND PALETTE
   ───────────────────────────────────────────── */

.pos-command-palette-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1500;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
  animation: fadeIn 0.12s ease both;
}

.pos-command-palette {
  background: #141414;
  border: 1px solid #3a3a3a;
  border-radius: 12px;
  width: 100%;
  max-width: 580px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255,255,255,0.05);
  overflow: hidden;
  animation: cpFadeIn 0.16s cubic-bezier(0.34, 1.1, 0.64, 1) both;
}

.pos-cp-input {
  width: 100%;
  padding: 16px 18px;
  background: transparent;
  border: none;
  border-bottom: 1px solid #2a2a2a;
  color: #f5f4f2;
  font-size: 16px;
  font-weight: 400;
  outline: none;
  caret-color: #c8392c;
}

.pos-cp-input::placeholder {
  color: #5a5856;
}

.pos-cp-results {
  list-style: none;
  max-height: 340px;
  overflow-y: auto;
  padding: 6px;
  scrollbar-width: thin;
  scrollbar-color: #2a2a2a transparent;
}

.pos-cp-results::-webkit-scrollbar { width: 4px; }
.pos-cp-results::-webkit-scrollbar-thumb { background: #2a2a2a; border-radius: 2px; }

.pos-cp-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 7px;
  cursor: pointer;
  transition: background 80ms;
  color: #c8c6c4;
  font-size: 14px;
}

.pos-cp-item-active,
.pos-cp-item:hover {
  background: #2a2a2a;
  color: #f5f4f2;
}

.pos-cp-icon {
  width: 22px;
  text-align: center;
  flex-shrink: 0;
  font-size: 14px;
  opacity: 0.7;
}

.pos-cp-label {
  flex: 1;
}

.pos-cp-meta {
  font-size: 11px;
  color: #5a5856;
}

.pos-cp-empty {
  padding: 20px 12px;
  text-align: center;
  color: #5a5856;
  font-size: 13px;
}

.pos-cp-footer {
  display: flex;
  gap: 16px;
  padding: 8px 16px;
  border-top: 1px solid #1f1f1f;
  font-size: 11px;
  color: #5a5856;
}

.pos-cp-footer span {
  display: flex;
  align-items: center;
  gap: 4px;
}


/* ─────────────────────────────────────────────
   STATUS BADGES
   ───────────────────────────────────────────── */

.pos-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
  text-transform: uppercase;
}

.pos-status-READY {
  background: rgba(22, 163, 74, 0.15);
  color: #4ade80;
  border: 1px solid rgba(22, 163, 74, 0.3);
}

.pos-status-Open {
  background: rgba(37, 99, 235, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(37, 99, 235, 0.3);
}

.pos-status-BOOKED {
  background: rgba(217, 119, 6, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(217, 119, 6, 0.3);
}

.pos-status-Overdue {
  background: rgba(220, 38, 38, 0.15);
  color: #f87171;
  border: 1px solid rgba(220, 38, 38, 0.3);
}

.pos-status-Finished {
  background: rgba(75, 85, 99, 0.2);
  color: #9ca3af;
  border: 1px solid rgba(75, 85, 99, 0.3);
}

.pos-status-WAITING {
  background: rgba(124, 58, 237, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.pos-status-Cancelled {
  background: rgba(75, 85, 99, 0.1);
  color: #6b7280;
  border: 1px solid rgba(75, 85, 99, 0.2);
  text-decoration: line-through;
}

.pos-status-initials {
  background: rgba(255,255,255,0.12);
  border-radius: 999px;
  padding: 0 5px;
  font-size: 10px;
  letter-spacing: 0.02em;
}


/* ─────────────────────────────────────────────
   AVATAR
   ───────────────────────────────────────────── */

.pos-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 700;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

.pos-avatar-sm { width: 26px; height: 26px; font-size: 10px; }
.pos-avatar-md { width: 34px; height: 34px; font-size: 12px; }
.pos-avatar-lg { width: 46px; height: 46px; font-size: 16px; }


/* ─────────────────────────────────────────────
   KBD CHIP
   ───────────────────────────────────────────── */

.pos-kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 6px;
  min-width: 22px;
  height: 20px;
  background: #1c1c1c;
  border: 1px solid #3a3a3a;
  border-bottom-width: 2px;
  border-radius: 4px;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 11px;
  font-weight: 500;
  color: #c8c6c4;
  white-space: nowrap;
  box-shadow: 0 1px 0 #0a0a0a;
}


/* ─────────────────────────────────────────────
   KEYBOARD SHORTCUT HELP OVERLAY
   ───────────────────────────────────────────── */

.pos-shortcut-help-overlay {
  position: fixed;
  inset: 0;
  z-index: 1800;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.12s ease both;
}

.pos-shortcut-help {
  background: #141414;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.7);
  overflow: hidden;
}

.pos-shortcut-help-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid #2a2a2a;
  font-size: 13px;
  font-weight: 600;
  color: #f5f4f2;
}

.pos-sh-table {
  width: 100%;
  border-collapse: collapse;
  padding: 8px;
  display: block;
}

.pos-sh-table tr {
  display: flex;
  align-items: center;
  padding: 7px 16px;
  gap: 16px;
}

.pos-sh-table tr:hover { background: #1c1c1c; }

.pos-sh-keys {
  display: flex;
  align-items: center;
  gap: 3px;
  min-width: 120px;
  flex-shrink: 0;
}

.pos-sh-desc {
  font-size: 13px;
  color: #8a8885;
}

.pos-sh-footer {
  padding: 10px 18px;
  font-size: 11px;
  color: #5a5856;
  border-top: 1px solid #1f1f1f;
  display: flex;
  align-items: center;
  gap: 6px;
}


/* ─────────────────────────────────────────────
   SKELETON LOADER
   ───────────────────────────────────────────── */

.pos-skeleton-shimmer-bg {
  background: linear-gradient(
    90deg,
    #1c1c1c 0px,
    #252525 200px,
    #1c1c1c 400px
  );
  background-size: 600px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: 4px;
}

.pos-skeleton-line {
  height: 13px;
  border-radius: 4px;
  background: linear-gradient(90deg, #1c1c1c 0px, #252525 200px, #1c1c1c 400px);
  background-size: 600px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  margin-bottom: 8px;
}

.pos-skeleton-line.pos-skeleton-sm { height: 10px; }

.pos-skeleton-w-15  { width: 15%; }
.pos-skeleton-w-20  { width: 20%; }
.pos-skeleton-w-30  { width: 30%; }
.pos-skeleton-w-40  { width: 40%; }
.pos-skeleton-w-50  { width: 50%; }
.pos-skeleton-w-60  { width: 60%; }
.pos-skeleton-w-70  { width: 70%; }
.pos-skeleton-w-80  { width: 80%; }

.pos-skeleton-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(90deg, #1c1c1c 0px, #252525 200px, #1c1c1c 400px);
  background-size: 600px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}

.pos-skeleton-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 4px 0;
}

.pos-skeleton-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pos-skeleton-lines {
  flex: 1;
}

.pos-skeleton-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 10px 0;
  border-bottom: 1px solid #1a1a1a;
}

.pos-skeleton-table {
  padding: 4px 0;
}

.pos-skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.pos-skeleton-card {
  background: #1c1c1c;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 16px;
}


/* ─────────────────────────────────────────────
   STAT CARD
   ───────────────────────────────────────────── */

.pos-stat-card {
  background: #1c1c1c;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 140ms;
}

.pos-stat-card:hover {
  border-color: #3a3a3a;
}

.pos-stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pos-stat-label {
  font-size: 12px;
  font-weight: 500;
  color: #8a8885;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pos-stat-icon {
  font-size: 15px;
  opacity: 0.6;
}

.pos-stat-body {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.pos-stat-value {
  font-size: 26px;
  font-weight: 700;
  color: #f5f4f2;
  letter-spacing: -0.03em;
  line-height: 1;
}

.pos-stat-delta {
  font-size: 12px;
  font-weight: 600;
  padding-bottom: 2px;
}

.pos-stat-delta-up   { color: #4ade80; }
.pos-stat-delta-down { color: #f87171; }


/* ─────────────────────────────────────────────
   MOBILE RESPONSIVE — 768px breakpoint
   ───────────────────────────────────────────── */

@media (max-width: 768px) {
  /* Sidebar collapses to bottom nav */
  .pos-sidebar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    width: 100% !important;
    height: 56px;
    flex-direction: row;
    border-top: 1px solid var(--border, #2a2a2a);
    border-right: none;
    z-index: 500;
    overflow-x: auto;
    overflow-y: hidden;
    justify-content: space-around;
    align-items: center;
    padding: 0 8px;
  }

  .pos-sidebar-logo,
  .pos-sidebar-label,
  .pos-sidebar-footer {
    display: none;
  }

  .pos-sidebar-item {
    flex-direction: column;
    gap: 2px;
    padding: 6px 10px;
    font-size: 10px;
  }

  .pos-sidebar-item svg,
  .pos-sidebar-item .pos-sidebar-icon {
    font-size: 18px;
  }

  /* Main content clears bottom nav */
  .pos-main {
    padding-bottom: 64px !important;
  }

  .pos-header {
    padding: 0 14px;
  }

  /* Modals go full-screen on mobile */
  .pos-modal {
    max-width: 100%;
    max-height: 92vh;
    border-radius: 14px 14px 0 0;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0;
  }

  .pos-modal-backdrop {
    align-items: flex-end;
    padding: 0;
  }

  /* Toast stack from top-center */
  #pos-toast-container {
    top: 12px;
    left: 12px;
    right: 12px;
    align-items: center;
  }

  .pos-toast {
    max-width: 100%;
    width: 100%;
  }

  /* Command palette full width */
  .pos-command-palette {
    max-width: calc(100% - 24px);
  }

  .pos-command-palette-backdrop {
    padding-top: 8vh;
  }

  /* Stat grid — 2 columns */
  .pos-stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}


/* ─────────────────────────────────────────────
   PRINT STYLES
   ───────────────────────────────────────────── */

@media print {
  .pos-no-print,
  .pos-sidebar,
  .pos-header,
  .pos-command-palette-backdrop,
  .pos-modal-backdrop,
  #pos-toast-container,
  .pos-shortcut-help-overlay {
    display: none !important;
  }

  .pos-print-only {
    display: block !important;
  }

  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 12pt;
  }

  .pos-main {
    padding: 0 !important;
    margin: 0 !important;
    overflow: visible !important;
  }

  .pos-card,
  .pos-stat-card {
    border: 1px solid #ccc !important;
    background: #fff !important;
    box-shadow: none !important;
    break-inside: avoid;
  }

  .pos-badge {
    border: 1px solid #999 !important;
    background: none !important;
    color: #000 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  a { text-decoration: none; color: inherit; }

  h1, h2, h3 { color: #000 !important; }

  table { border-collapse: collapse; width: 100%; }
  th, td { border: 1px solid #ddd; padding: 6px 8px; text-align: left; color: #000; }
  thead { background: #f5f5f5 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}