:root {
  /* Color system */
  --brand: #0F1F32;            /* primary accent (accessible on white) */
  --brand-600: #A9C5DB;
  --danger: #dc2626;
  --danger-600: #b91c1c;
  --bg: #ffffff;
  --surface: #ffffff;
  --muted-bg: #f7f7f8;
  --text: #1f2937;
  --text-muted: #6b7280;
  --border: #e5e7eb;

  /* Shadows & radii */
  --radius: 8px;
  --shadow-1: 0 1px 2px rgba(0,0,0,0.05), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-2: 0 4px 12px rgba(0,0,0,0.08);

  /* Spacing scale (8-based) */
  --space-2: 2px;  --space-4: 4px;  --space-6: 6px;  --space-8: 8px;
  --space-12: 12px; --space-16: 16px; --space-20: 20px; --space-24: 24px;
  --space-32: 32px; --space-40: 40px;

  /* Typography */
  --font-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --fs-12: 12px; --fs-14: 14px; --fs-16: 16px; --fs-20: 20px; --fs-24: 24px;
  --lh: 1.5;

  /* Focus ring */
  --focus-ring: 0 0 0 3px #0F1F32;
}

/* Base typography & layout */
html, body {
  height: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
body {
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  line-height: var(--lh);
  color: var(--text);
  background: var(--bg);
}

#main-container {
  flex: 1 0 auto;
}

h1, h2, h3, h4 { color: var(--text); margin: 0 0 var(--space-16); font-weight: 700; }
small, .text-muted { color: var(--text-muted); }

/* Card primitive */
.card, .cm-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

/* Optional fixed flash tray */
#global-flash-container.fixed-top-tray {
  position: fixed; top: 56px; left: 0; right: 0; z-index: 1060;
}

/* Form control primitive (shared) */
.form-control {
  width: 100%;
  padding: 10px 12px;
  font-size: var(--fs-14);
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-control:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: var(--focus-ring);
}
.form-control[disabled], .form-control:disabled { background: #f3f4f6; color: var(--text-muted); }

/* Buttons */
.btn { 
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px;
  padding: 8px 14px; border-radius: var(--radius); border: 1px solid transparent;
  background: var(--brand); color: #fff; font-weight: 600; cursor: pointer;
  transition: background .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.btn:hover { background: var(--brand-600); }
.btn:focus { outline: none; box-shadow: var(--focus-ring); }
.btn:disabled { opacity: .6; cursor: not-allowed; }

/* Accessible disabled state for anchor-like buttons */
.btn[aria-disabled="true"] {
  background: #e9ecef !important;
  color: #6c757d !important;
  border-color: #dee2e6 !important;
  cursor: not-allowed !important;
  /* keep pointer-events so native tooltips can appear */
  text-decoration: none !important;
}

/* Specific tint override for the light-blue send buttons when disabled */
.btn-send-text[aria-disabled="true"] {
  background-color: #e9ecef !important;
  color: #6c757d !important;
  border-color: #dee2e6 !important;
}

/* Inline action hint beside disabled buttons */
.cm-action-hint {
  font-size: 0.82rem;
  color: var(--text-muted, #6c757d);
  margin-left: 6px;
}
.cm-action-hint a {
  color: var(--brand, #0d6efd);
  text-decoration: underline;
}

.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--text-muted); background: #fafafa; }

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: var(--danger-600); }

/* Modifier for send-text actions */
.btn-send-text {
  border-color: rgba(0, 122, 255, 0.3);
  background-color: #007AFF;
  color: #fff;
}
.btn-send-text:hover,
.btn-send-text:focus {
  filter: brightness(0.95);
}

.btn--skip { border-color: rgba(239,68,68,0.3); }
.btn--snooze { border-color: rgba(234,179,8,0.3); }


/* Utility helpers */
.visually-hidden { position: absolute !important; height: 1px; width: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-16); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-24); }
@media (max-width: 992px) { .grid-2 { grid-template-columns: 1fr; } }

/* Validation states */
.is-invalid, input.is-invalid, select.is-invalid, textarea.is-invalid {
  border-color: var(--danger) !important;
  box-shadow: 0 0 0 0.1rem rgba(220, 38, 38, 0.25) !important;
}
.invalid-feedback { color: var(--danger); font-size: var(--fs-12); }

.card-body .row {
  margin-bottom: 0.5rem;
}
.card-body input, .card-body select {
  padding: 2px 6px;
  font-size: 0.85rem;
}
.card-body label {
  font-size: 0.8rem;
  margin-bottom: 2px;
}
.sidenav {
  height: 100%;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding-top: 20px;
  background-color: #f1f1f1;
  text-align: left;
}
.navbar {
  margin-bottom: 0;
  border-radius: 0;
}
footer {
  background-color: #555;
  color: white;
  padding: 15px;
  flex-shrink: 0;
  width: 100%;
  margin-top: auto;
}
@media screen and (max-width: 767px) {
  .sidenav {
    height: auto;
    overflow-y: visible;
    padding: 15px;
  }
  .row.content {
    height: auto;
  }
}

@media (orientation: landscape) {
  .sidenav {
    flex-direction: column;
    min-width: 200px;
  }
}

@media (orientation: portrait) {
  .sidenav {
    flex-direction: row;
    overflow-x: auto;
    width: 100%;
  }
}
#side-panel {
  background-color: #f8f9fa;
  padding: 15px;
  border-left: 1px solid #dee2e6;
  flex: 1;
}
input.is-invalid, select.is-invalid {
  border-color: #dc3545;
  box-shadow: 0 0 0 0.1rem rgba(220, 53, 69, 0.25);
}
#tax-data-table td {
  font-size: 0.85rem;
  padding: 4px 6px;
}



/* Allow button groups to wrap vertically when they exceed container width */
.btn-group,
.actions-row {
  display: flex;
  flex-wrap: wrap;
}
.btn-group .btn,
.actions-row .btn {
  flex: 1 1 auto;
  margin-bottom: 6px;
}


/* On narrow screens, hide emoji/icons inside buttons to save space */
@media (max-width: 576px) {
  .btn {
    font-size: 0.9em;
  }
  .btn::first-letter {
    margin-right: 0;
  }
  .btn {
    white-space: normal;
  }
  .btn span.emoji, 
  .btn::before {
    display: none;
  }
}

.pagination-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pagination-row .btn {
  flex: 1 1 auto;
  margin-bottom: 6px;
}
/* On very narrow screens, force full-width buttons for easier tapping */
@media (max-width: 576px) {
  .pagination-row .btn {
    flex: 1 0 100%;
  }
}

/* Global date input formatting */
input[type="date"] {
  font-family: var(--font-sans);
  font-size: var(--fs-14);
}
input[type="date"]::-webkit-datetime-edit {
  padding: 0 2px;
}
input[type="date"]::-webkit-datetime-edit-year-field,
input[type="date"]::-webkit-datetime-edit-month-field,
input[type="date"]::-webkit-datetime-edit-day-field {
  text-transform: uppercase;
}
/* Use placeholder MM-DD-YYYY to guide users */
input[type="date"]::before {
  content: attr(placeholder);
  color: var(--text-muted);
  margin-right: 4px;
}
/* Global phone input formatting */
input[type="tel"] {
  font-family: var(--font-sans);
  font-size: var(--fs-14);
  letter-spacing: 1px;
}
input[type="tel"]::placeholder {
  content: "(###)-###-####";
  color: var(--text-muted);
}


/* --- Form Row Helpers --- */
/* .form-row.duo: 2-up grid for two fields side by side, collapses to 1 col on small screens */
.form-row.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}
@media (max-width: 700px) {
  .form-row.duo {
    grid-template-columns: 1fr;
  }
}

/* .form-row.trio: 3-up grid for three fields side by side, collapses responsively */
.form-row.trio {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-16);
}
@media (max-width: 900px) {
  .form-row.trio {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .form-row.trio {
    grid-template-columns: 1fr;
  }
}

/* Cart-only hard override to ensure centering without touching global.css */
#cart-actions {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  width: 100% !important;
}
#cart-actions .btn { margin: 0 6px; }

@media (max-width: 576px) {
  #cart-actions { flex-direction: column; }
  #cart-actions .btn-success { order: 1; width: 100%; max-width: 320px; }
  #cart-actions .btn-danger { order: 2; width: 100%; max-width: 320px; }
}