/* ═══════════════════════════════════════════════════════════════════
   ShipHawkr — Theme System
   • 3 modes  : default (system), light, dark
   • 7 accents: blue, purple, green, orange, red, pink, teal
   • 3 zoom   : sm (14px), md (16px), lg (18px)
   All preferences saved to localStorage via theme.js
   ═══════════════════════════════════════════════════════════════════ */

/* ── 1. Default (light) CSS Variables ────────────────────────────── */
:root {
  /* Backgrounds */
  --sh-bg:            #f0f2f5;
  --sh-surface:       #ffffff;
  --sh-surface-alt:   #f8f9fa;
  --sh-surface-hover: #e9ecef;

  /* Borders & dividers */
  --sh-border:        #dee2e6;

  /* Text */
  --sh-text:          #212529;
  --sh-text-muted:    #6c757d;
  --sh-text-subtle:   #adb5bd;

  /* Sidebar */
  --sh-master-sidebar-bg:     #1a1d23;
  --sh-master-sidebar-border: #2c3040;
  --sh-tenant-sidebar-bg:     #ffffff;
  --sh-tenant-sidebar-border: #dee2e6;

  /* Inputs */
  --sh-input-bg:     #ffffff;
  --sh-input-border: #ced4da;

  /* Navbar / footer */
  --sh-navbar-bg: #ffffff;
  --sh-footer-bg: #ffffff;

  /* Shadows */
  --sh-shadow:    0 .125rem .25rem rgba(0,0,0,.075);
  --sh-shadow-md: 0 .5rem 1rem rgba(0,0,0,.10);

  /* Accent (default = blue) */
  --sh-accent:       #0d6efd;
  --sh-accent-rgb:   13, 110, 253;
  --sh-accent-hover: #0b5ed7;
  --sh-accent-light: #e7f1ff;
  --sh-accent-dark:  #084298;

  /* Bootstrap overrides for accent */
  --bs-primary:          #0d6efd;
  --bs-primary-rgb:      13, 110, 253;
  --bs-link-color:       #0d6efd;
  --bs-link-hover-color: #0b5ed7;
}

/* ── 2. Dark mode variables ───────────────────────────────────────── */
/* Applied for explicit dark AND when OS prefers dark + mode=default  */
[data-theme="dark"],
[data-theme="default"] {
  /* will be set only via media query below for "default" */
}

[data-theme="dark"] {
  color-scheme: dark;

  --sh-bg:            #0d1117;
  --sh-surface:       #161b22;
  --sh-surface-alt:   #21262d;
  --sh-surface-hover: #2a3139;

  --sh-border:        #30363d;

  --sh-text:          #c9d1d9;
  --sh-text-muted:    #8b949e;
  --sh-text-subtle:   #484f58;

  --sh-master-sidebar-bg:     #010409;
  --sh-master-sidebar-border: #21262d;
  --sh-tenant-sidebar-bg:     #161b22;
  --sh-tenant-sidebar-border: #30363d;

  --sh-input-bg:     #0d1117;
  --sh-input-border: #30363d;

  --sh-navbar-bg: #161b22;
  --sh-footer-bg: #161b22;

  --sh-shadow:    0 .125rem .25rem rgba(0,0,0,.5);
  --sh-shadow-md: 0 .5rem 1rem rgba(0,0,0,.6);
}

/* System preference dark mode (when mode = "default") */
@media (prefers-color-scheme: dark) {
  [data-theme="default"] {
    color-scheme: dark;

    --sh-bg:            #0d1117;
    --sh-surface:       #161b22;
    --sh-surface-alt:   #21262d;
    --sh-surface-hover: #2a3139;

    --sh-border:        #30363d;

    --sh-text:          #c9d1d9;
    --sh-text-muted:    #8b949e;
    --sh-text-subtle:   #484f58;

    --sh-master-sidebar-bg:     #010409;
    --sh-master-sidebar-border: #21262d;
    --sh-tenant-sidebar-bg:     #161b22;
    --sh-tenant-sidebar-border: #30363d;

    --sh-input-bg:     #0d1117;
    --sh-input-border: #30363d;

    --sh-navbar-bg: #161b22;
    --sh-footer-bg: #161b22;

    --sh-shadow:    0 .125rem .25rem rgba(0,0,0,.5);
    --sh-shadow-md: 0 .5rem 1rem rgba(0,0,0,.6);
  }
}

/* ── 3. Accent colours ───────────────────────────────────────────── */
[data-accent="blue"] {
  --sh-accent: #0d6efd; --sh-accent-rgb: 13,110,253;
  --sh-accent-hover: #0b5ed7; --sh-accent-light: #e7f1ff; --sh-accent-dark: #084298;
  --bs-primary: #0d6efd; --bs-primary-rgb: 13,110,253;
  --bs-link-color: #0d6efd; --bs-link-hover-color: #0b5ed7;
}
[data-accent="purple"] {
  --sh-accent: #7c3aed; --sh-accent-rgb: 124,58,237;
  --sh-accent-hover: #6d28d9; --sh-accent-light: #ede9fe; --sh-accent-dark: #5b21b6;
  --bs-primary: #7c3aed; --bs-primary-rgb: 124,58,237;
  --bs-link-color: #7c3aed; --bs-link-hover-color: #6d28d9;
}
[data-accent="green"] {
  --sh-accent: #16a34a; --sh-accent-rgb: 22,163,74;
  --sh-accent-hover: #15803d; --sh-accent-light: #dcfce7; --sh-accent-dark: #14532d;
  --bs-primary: #16a34a; --bs-primary-rgb: 22,163,74;
  --bs-link-color: #16a34a; --bs-link-hover-color: #15803d;
}
[data-accent="orange"] {
  --sh-accent: #ea580c; --sh-accent-rgb: 234,88,12;
  --sh-accent-hover: #c2410c; --sh-accent-light: #ffedd5; --sh-accent-dark: #9a3412;
  --bs-primary: #ea580c; --bs-primary-rgb: 234,88,12;
  --bs-link-color: #ea580c; --bs-link-hover-color: #c2410c;
}
[data-accent="red"] {
  --sh-accent: #dc2626; --sh-accent-rgb: 220,38,38;
  --sh-accent-hover: #b91c1c; --sh-accent-light: #fee2e2; --sh-accent-dark: #7f1d1d;
  --bs-primary: #dc2626; --bs-primary-rgb: 220,38,38;
  --bs-link-color: #dc2626; --bs-link-hover-color: #b91c1c;
}
[data-accent="pink"] {
  --sh-accent: #db2777; --sh-accent-rgb: 219,39,119;
  --sh-accent-hover: #be185d; --sh-accent-light: #fce7f3; --sh-accent-dark: #9d174d;
  --bs-primary: #db2777; --bs-primary-rgb: 219,39,119;
  --bs-link-color: #db2777; --bs-link-hover-color: #be185d;
}
[data-accent="teal"] {
  --sh-accent: #0d9488; --sh-accent-rgb: 13,148,136;
  --sh-accent-hover: #0f766e; --sh-accent-light: #ccfbf1; --sh-accent-dark: #134e4a;
  --bs-primary: #0d9488; --bs-primary-rgb: 13,148,136;
  --bs-link-color: #0d9488; --bs-link-hover-color: #0f766e;
}

/* ── 4. Zoom levels (applied to <html> → all rem scales) ─────────── */
[data-zoom="sm"] { font-size: 14px; }
[data-zoom="md"] { font-size: 16px; }
[data-zoom="lg"] { font-size: 18px; }

/* ── 5. Global element overrides using CSS variables ─────────────── */

/* Body */
body {
  background-color: var(--sh-bg) !important;
  color: var(--sh-text) !important;
}

/* Backgrounds */
.bg-white           { background-color: var(--sh-surface)     !important; }
.bg-light           { background-color: var(--sh-surface-alt) !important; }
.bg-body            { background-color: var(--sh-bg)          !important; }

/* Sidebars */
.master-sidebar {
  background-color: var(--sh-master-sidebar-bg) !important;
  border-color: var(--sh-master-sidebar-border) !important;
}
.tenant-sidebar {
  background-color: var(--sh-tenant-sidebar-bg) !important;
  border-color: var(--sh-tenant-sidebar-border) !important;
}
.tenant-sidebar .nav-link.text-dark  { color: var(--sh-text)       !important; }
.tenant-sidebar .nav-link.text-muted { color: var(--sh-text-muted) !important; }

/* Navbar */
.navbar, .navbar.bg-white, .navbar-light {
  background-color: var(--sh-navbar-bg) !important;
  border-color: var(--sh-border) !important;
}
.navbar .text-muted       { color: var(--sh-text-muted) !important; }
.navbar .navbar-brand     { color: var(--sh-text-muted) !important; }

/* Cards */
.card {
  background-color: var(--sh-surface) !important;
  border-color: var(--sh-border) !important;
  box-shadow: var(--sh-shadow) !important;
}
.card-header,
.card-header.bg-white {
  background-color: var(--sh-surface-alt) !important;
  border-color: var(--sh-border) !important;
  color: var(--sh-text) !important;
}
.card-body { color: var(--sh-text) !important; }

/* Tables */
.table {
  color: var(--sh-text) !important;
  --bs-table-color: var(--sh-text);
  --bs-table-border-color: var(--sh-border);
}
.table-light, thead.table-light {
  background-color: var(--sh-surface-alt) !important;
  --bs-table-bg: var(--sh-surface-alt);
  color: var(--sh-text) !important;
}
.table-hover > tbody > tr:hover > * {
  --bs-table-accent-bg: var(--sh-surface-hover);
  background-color: var(--sh-surface-hover) !important;
}
.table td, .table th { border-color: var(--sh-border) !important; }

/* Borders */
.border, .border-bottom, .border-top, .border-start, .border-end {
  border-color: var(--sh-border) !important;
}

/* Text helpers */
.text-dark   { color: var(--sh-text)       !important; }
.text-muted  { color: var(--sh-text-muted) !important; }
.text-secondary { color: var(--sh-text-muted) !important; }

/* Forms */
.form-control,
.form-select,
.form-check-input {
  background-color: var(--sh-input-bg) !important;
  border-color: var(--sh-input-border) !important;
  color: var(--sh-text) !important;
}
.form-control:focus, .form-select:focus {
  background-color: var(--sh-input-bg) !important;
  color: var(--sh-text) !important;
  border-color: var(--sh-accent) !important;
  box-shadow: 0 0 0 .25rem rgba(var(--sh-accent-rgb), .2) !important;
}
.form-control::placeholder { color: var(--sh-text-subtle) !important; }
.input-group-text {
  background-color: var(--sh-surface-alt) !important;
  border-color: var(--sh-input-border) !important;
  color: var(--sh-text-muted) !important;
}
.form-check-input:checked {
  background-color: var(--sh-accent) !important;
  border-color: var(--sh-accent) !important;
}
label, .form-label { color: var(--sh-text) !important; }

/* Buttons */
.btn-primary {
  background-color: var(--sh-accent) !important;
  border-color: var(--sh-accent) !important;
  color: #fff !important;
}
.btn-primary:hover, .btn-primary:focus {
  background-color: var(--sh-accent-hover) !important;
  border-color: var(--sh-accent-hover) !important;
}
.btn-outline-primary {
  color: var(--sh-accent) !important;
  border-color: var(--sh-accent) !important;
  background-color: transparent !important;
}
.btn-outline-primary:hover {
  background-color: var(--sh-accent) !important;
  color: #fff !important;
}
.btn-outline-secondary {
  color: var(--sh-text-muted) !important;
  border-color: var(--sh-border) !important;
}
.btn-outline-secondary:hover {
  background-color: var(--sh-surface-hover) !important;
  color: var(--sh-text) !important;
}

/* Dropdowns */
.dropdown-menu {
  background-color: var(--sh-surface) !important;
  border-color: var(--sh-border) !important;
  box-shadow: var(--sh-shadow-md) !important;
}
.dropdown-item { color: var(--sh-text) !important; }
.dropdown-item:hover, .dropdown-item:focus {
  background-color: var(--sh-surface-hover) !important;
  color: var(--sh-text) !important;
}
.dropdown-divider { border-color: var(--sh-border) !important; }
.dropdown-header  { color: var(--sh-text-muted) !important; }

/* List groups */
.list-group-item {
  background-color: var(--sh-surface) !important;
  border-color: var(--sh-border) !important;
  color: var(--sh-text) !important;
}
.list-group-item-action:hover {
  background-color: var(--sh-surface-hover) !important;
}

/* Pagination */
.page-link {
  background-color: var(--sh-surface) !important;
  border-color: var(--sh-border) !important;
  color: var(--sh-accent) !important;
}
.page-item.active .page-link {
  background-color: var(--sh-accent) !important;
  border-color: var(--sh-accent) !important;
  color: #fff !important;
}
.page-item.disabled .page-link { color: var(--sh-text-subtle) !important; }

/* Modals */
.modal-content {
  background-color: var(--sh-surface) !important;
  border-color: var(--sh-border) !important;
}
.modal-header, .modal-footer { border-color: var(--sh-border) !important; }
.modal-title { color: var(--sh-text) !important; }

/* Offcanvas */
.offcanvas {
  background-color: var(--sh-surface) !important;
  color: var(--sh-text) !important;
}
.offcanvas-header { border-color: var(--sh-border) !important; }

/* Toasts */
.toast {
  background-color: var(--sh-surface) !important;
  border-color: var(--sh-border) !important;
  color: var(--sh-text) !important;
}

/* Alerts */
.alert { border-color: var(--sh-border); }

/* Footer */
footer {
  background-color: var(--sh-footer-bg) !important;
  color: var(--sh-text-muted) !important;
  border-color: var(--sh-border) !important;
}

/* Nav tabs */
.nav-tabs { border-color: var(--sh-border) !important; }
.nav-tabs .nav-link {
  color: var(--sh-text-muted) !important;
}
.nav-tabs .nav-link.active {
  background-color: var(--sh-surface) !important;
  border-color: var(--sh-border) var(--sh-border) var(--sh-surface) !important;
  color: var(--sh-accent) !important;
}

/* Progress bars */
.progress { background-color: var(--sh-surface-alt) !important; }

/* Badges */
.badge.bg-light { background-color: var(--sh-surface-alt) !important; color: var(--sh-text) !important; }

/* Code blocks */
code {
  background-color: var(--sh-surface-alt);
  color: var(--sh-accent);
  padding: 2px 6px;
  border-radius: 4px;
}
pre {
  background-color: var(--sh-surface-alt) !important;
  color: var(--sh-text) !important;
  border: 1px solid var(--sh-border);
  border-radius: 6px;
  padding: 12px;
}

/* Accordion */
.accordion-item {
  background-color: var(--sh-surface) !important;
  border-color: var(--sh-border) !important;
}
.accordion-button {
  background-color: var(--sh-surface) !important;
  color: var(--sh-text) !important;
}
.accordion-button:not(.collapsed) { color: var(--sh-accent) !important; }

/* ── 6. Accent colour propagation ────────────────────────────────── */
.text-primary  { color: var(--sh-accent) !important; }
.bg-primary    { background-color: var(--sh-accent) !important; }
.border-primary { border-color: var(--sh-accent) !important; }
.badge.bg-primary { background-color: var(--sh-accent) !important; }

a { color: var(--sh-accent); }
a:hover { color: var(--sh-accent-hover); }

/* Sidebar active items */
.master-sidebar .bg-primary,
.tenant-sidebar .active.bg-primary,
.nav-link.active.bg-primary,
.nav-link.active.text-white.bg-primary {
  background-color: var(--sh-accent) !important;
}
.nav-link.text-primary,
.nav-link.text-primary.fw-semibold { color: var(--sh-accent) !important; }

/* Brand icon in master sidebar */
.sidebar-brand-icon.bg-primary { background-color: var(--sh-accent) !important; }

/* ── 7. Dark-mode-specific fixes ─────────────────────────────────── */
[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
  --bs-table-accent-bg: rgba(255,255,255,.03);
}
[data-theme="dark"] .shadow-sm {
  box-shadow: 0 .125rem .25rem rgba(0,0,0,.5) !important;
}
[data-theme="dark"] .btn-close {
  filter: invert(1) grayscale(1);
}
[data-theme="dark"] .border-secondary { border-color: #30363d !important; }
[data-theme="dark"] .text-white-50 { color: rgba(201,209,217,.55) !important; }
[data-theme="dark"] .text-secondary { color: #8b949e !important; }
[data-theme="dark"] .btn-outline-danger {
  color: #f87171 !important;
  border-color: #f87171 !important;
}
[data-theme="dark"] .btn-outline-danger:hover {
  background-color: #f87171 !important;
  color: #fff !important;
}
[data-theme="dark"] .btn-outline-success {
  color: #4ade80 !important;
  border-color: #4ade80 !important;
}
[data-theme="dark"] .btn-outline-warning {
  color: #fbbf24 !important;
  border-color: #fbbf24 !important;
}
[data-theme="dark"] .navbar-brand { color: #8b949e !important; }
[data-theme="dark"] .impersonation-bar { background-color: #78350f !important; }
[data-theme="dark"] .bg-warning.text-dark { color: #fff !important; }
[data-theme="dark"] .alert-warning {
  background-color: rgba(251,191,36,.12) !important;
  border-color: rgba(251,191,36,.35) !important;
  color: #fef3c7 !important;
}
[data-theme="dark"] .alert-danger {
  background-color: rgba(248,113,113,.12) !important;
  border-color: rgba(248,113,113,.35) !important;
  color: #fee2e2 !important;
}
[data-theme="dark"] .alert-success {
  background-color: rgba(74,222,128,.12) !important;
  border-color: rgba(74,222,128,.35) !important;
  color: #dcfce7 !important;
}
[data-theme="dark"] .alert-info {
  background-color: rgba(var(--sh-accent-rgb),.12) !important;
  border-color: rgba(var(--sh-accent-rgb),.35) !important;
  color: var(--sh-text) !important;
}
[data-theme="dark"] .bg-success-subtle { background-color: rgba(74,222,128,.12) !important; }
[data-theme="dark"] .bg-danger-subtle  { background-color: rgba(248,113,113,.12) !important; }
[data-theme="dark"] .bg-warning-subtle { background-color: rgba(251,191,36,.12) !important; }
[data-theme="dark"] .bg-info-subtle    { background-color: rgba(var(--sh-accent-rgb),.12) !important; }
[data-theme="dark"] .text-success-emphasis { color: #4ade80 !important; }
[data-theme="dark"] .text-danger-emphasis  { color: #f87171 !important; }
[data-theme="dark"] .text-success { color: #4ade80 !important; }
[data-theme="dark"] .text-danger  { color: #f87171 !important; }
[data-theme="dark"] .text-warning { color: #fbbf24 !important; }
[data-theme="dark"] .text-info    { color: #38bdf8 !important; }
[data-theme="dark"] .bg-secondary { background-color: #21262d !important; }

/* Same dark fixes also apply under system-dark preference */
@media (prefers-color-scheme: dark) {
  [data-theme="default"] .shadow-sm { box-shadow: 0 .125rem .25rem rgba(0,0,0,.5) !important; }
  [data-theme="default"] .btn-close { filter: invert(1) grayscale(1); }
  [data-theme="default"] .border-secondary { border-color: #30363d !important; }
  [data-theme="default"] .text-white-50 { color: rgba(201,209,217,.55) !important; }
  [data-theme="default"] .btn-outline-danger { color: #f87171 !important; border-color: #f87171 !important; }
  [data-theme="default"] .text-success { color: #4ade80 !important; }
  [data-theme="default"] .text-danger  { color: #f87171 !important; }
  [data-theme="default"] .text-warning { color: #fbbf24 !important; }
}

/* ── 8. Smooth transitions ────────────────────────────────────────── */
body, .card, .navbar, .sidebar, .offcanvas,
.list-group-item, .dropdown-menu, .modal-content,
.form-control, .form-select, .table, footer {
  transition: background-color .25s ease, color .15s ease, border-color .2s ease !important;
}

/* ── 9. Theme FAB button ──────────────────────────────────────────── */
#theme-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--sh-accent);
  color: #fff;
  border: none;
  box-shadow: 0 4px 18px rgba(var(--sh-accent-rgb), .5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  cursor: pointer;
  z-index: 1050;
  transition: transform .2s ease, background-color .25s ease, box-shadow .2s ease;
  -webkit-tap-highlight-color: transparent;
}
#theme-fab:hover  { transform: scale(1.1); }
#theme-fab:active { transform: scale(.93); }

/* Nudge toast container up so it doesn't overlap FAB */
.toast-container { bottom: 84px !important; }

/* ── 10. Theme panel internals ────────────────────────────────────── */
#theme-panel { max-width: 310px; }

.sh-panel-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--sh-text-muted);
  margin-bottom: 10px;
  margin-top: 18px;
}
.sh-panel-label:first-child { margin-top: 4px; }

/* Mode cards */
.sh-mode-btn {
  flex: 1;
  padding: 10px 6px 8px;
  border: 2px solid var(--sh-border);
  border-radius: 10px;
  background: var(--sh-surface-alt);
  color: var(--sh-text-muted);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 500;
  transition: border-color .15s, background .15s, color .15s;
  -webkit-tap-highlight-color: transparent;
}
.sh-mode-btn i { font-size: 1.1rem; }
.sh-mode-btn:hover  { border-color: var(--sh-accent); color: var(--sh-accent); }
.sh-mode-btn.active {
  border-color: var(--sh-accent) !important;
  background: var(--sh-accent-light) !important;
  color: var(--sh-accent) !important;
  font-weight: 700;
}

/* Accent swatches */
.sh-swatch {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: transform .15s, border-color .15s;
  position: relative;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}
.sh-swatch:hover { transform: scale(1.18); }
.sh-swatch.active {
  border-color: var(--sh-text) !important;
  transform: scale(1.15);
}
.sh-swatch.active::after {
  content: '✓';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  text-shadow: 0 1px 3px rgba(0,0,0,.5);
  pointer-events: none;
}

/* Zoom buttons */
.sh-zoom-btn {
  flex: 1;
  padding: 9px 4px;
  border: 2px solid var(--sh-border);
  border-radius: 8px;
  background: var(--sh-surface-alt);
  color: var(--sh-text-muted);
  cursor: pointer;
  text-align: center;
  font-weight: 700;
  transition: border-color .15s, background .15s, color .15s;
  -webkit-tap-highlight-color: transparent;
}
.sh-zoom-btn:hover { border-color: var(--sh-accent); color: var(--sh-accent); }
.sh-zoom-btn.active {
  border-color: var(--sh-accent) !important;
  background: var(--sh-accent) !important;
  color: #fff !important;
}

/* ── 11. Mobile / PWA responsive ─────────────────────────────────── */
@media (max-width: 576px) {
  #theme-fab      { bottom: 16px; right: 16px; width: 44px; height: 44px; font-size: 1rem; }
  .toast-container { bottom: 72px !important; }
  #theme-panel    { max-width: 100%; width: 100% !important; }
}
@media (max-width: 992px) {
  #theme-panel { max-width: 280px; }
}