/* =========================================================================
   Redactor Service — design system
   Tokens + Bootstrap overrides. Keeps all BS class names (JS binds to them).
   ========================================================================= */

:root {
  --nav-h: 58px;

  --c-bg:            #f6f7fa;
  --c-surface:       #ffffff;
  --c-surface-muted: #f1f3f7;
  --c-border:        #e5e7eb;
  --c-border-strong: #d0d5dd;

  --c-text:        #0f172a;
  --c-text-muted:  #475569;
  --c-text-subtle: #94a3b8;

  --c-accent:       #4f46e5;
  --c-accent-hover: #4338ca;
  --c-accent-soft:  #eef2ff;

  --c-success: #059669;  --c-success-soft: #ecfdf5;
  --c-danger:  #dc2626;  --c-danger-soft:  #fef2f2;
  --c-warning: #d97706;  --c-warning-soft: #fffbeb;

  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;

  --sh-xs: 0 1px 2px rgba(15, 23, 42, .05);
  --sh-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);
  --sh-md: 0 4px 8px rgba(15, 23, 42, .08), 0 2px 4px rgba(15, 23, 42, .04);
  --sh-lg: 0 16px 40px rgba(15, 23, 42, .12), 0 4px 8px rgba(15, 23, 42, .04);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
               Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, Consolas, 'Roboto Mono', monospace;
}

/* Dark theme — same token names, different values.
   Trigger via [data-bs-theme="dark"] on <html> (Bootstrap стандарт). */
[data-bs-theme="dark"] {
  --c-bg:            #0b0e12;
  --c-surface:       #12161c;
  --c-surface-muted: #1a1f27;
  --c-border:        #242933;
  --c-border-strong: #323847;

  --c-text:        #e5e7eb;
  --c-text-muted:  #9aa3b2;
  --c-text-subtle: #6b7380;

  --c-accent:       #6366f1;
  --c-accent-hover: #818cf8;
  --c-accent-soft:  rgba(99, 102, 241, .18);

  --c-success: #34d399;  --c-success-soft: rgba(16, 185, 129, .16);
  --c-danger:  #f87171;  --c-danger-soft:  rgba(239, 68, 68, .16);
  --c-warning: #fbbf24;  --c-warning-soft: rgba(217, 119, 6, .18);

  --sh-xs: 0 1px 2px rgba(0, 0, 0, .35);
  --sh-sm: 0 1px 3px rgba(0, 0, 0, .4), 0 1px 2px rgba(0, 0, 0, .3);
  --sh-md: 0 4px 10px rgba(0, 0, 0, .45), 0 2px 4px rgba(0, 0, 0, .3);
  --sh-lg: 0 20px 48px rgba(0, 0, 0, .55), 0 4px 10px rgba(0, 0, 0, .35);

  color-scheme: dark;
}

@media (max-width: 575.98px) { :root { --nav-h: 72px; } }

/* ---------- base ---------- */
html, body { height: 100%; }
body {
  overflow: hidden;
  font-family: var(--font-sans);
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.005em;
}

.pt-nav { padding-top: var(--nav-h); }

/* ---------- navbar ---------- */
.navbar.bg-body-tertiary {
  background: rgba(255, 255, 255, .86) !important;
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--c-border) !important;
  box-shadow: 0 1px 0 rgba(15, 23, 42, .02) !important;
  padding: .5rem 1rem;
  min-height: var(--nav-h);
}
[data-bs-theme="dark"] .navbar.bg-body-tertiary {
  background: rgba(18, 22, 28, .82) !important;
  box-shadow: 0 1px 0 rgba(0, 0, 0, .3) !important;
}
.navbar .collapse.navbar-collapse { gap: .75rem; }

.navbar-brand {
  font-weight: 600;
  font-size: .98rem;
  letter-spacing: -0.015em;
  color: var(--c-text) !important;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin-right: .75rem;
}
.navbar-brand::before {
  content: '';
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 4px var(--c-accent-soft);
}

.navbar label.form-label,
.navbar label.form-label.small {
  font-size: .78rem;
  font-weight: 500;
  color: var(--c-text-muted);
  margin-bottom: 0;
  letter-spacing: 0;
}

.navbar .input-group-sm > .form-control,
.navbar .input-group-sm > .input-group-text {
  padding-top: .25rem;
  padding-bottom: .25rem;
}

/* ---------- buttons ---------- */
.btn {
  font-weight: 500;
  border-radius: var(--r-sm);
  transition: background-color .15s ease, color .15s ease,
              border-color .15s ease, box-shadow .15s ease;
  letter-spacing: -0.005em;
}
.btn-sm { padding: .32rem .72rem; font-size: .82rem; }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--c-accent-soft); }

.btn-primary {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
  background: var(--c-accent-hover) !important;
  border-color: var(--c-accent-hover) !important;
  color: #fff;
}

.btn-outline-primary {
  color: var(--c-accent);
  background: var(--c-surface);
  border-color: var(--c-border-strong);
}
.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--c-accent-soft);
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.btn-outline-secondary {
  color: var(--c-text-muted);
  background: var(--c-surface);
  border-color: var(--c-border-strong);
}
.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  background: var(--c-surface-muted);
  border-color: var(--c-border-strong);
  color: var(--c-text);
}

.btn-outline-success {
  color: var(--c-success);
  background: var(--c-surface);
  border-color: var(--c-border-strong);
}
.btn-outline-success:hover,
.btn-outline-success:focus {
  background: var(--c-success-soft);
  border-color: var(--c-success);
  color: var(--c-success);
}

.btn-outline-danger {
  color: var(--c-danger);
  background: var(--c-surface);
  border-color: var(--c-border-strong);
}
.btn-outline-danger:hover,
.btn-outline-danger:focus {
  background: var(--c-danger-soft);
  border-color: var(--c-danger);
  color: var(--c-danger);
}

.btn-outline-dark {
  color: var(--c-text);
  background: var(--c-surface);
  border-color: var(--c-border-strong);
}
.btn-outline-dark:hover,
.btn-outline-dark:focus {
  background: var(--c-surface-muted);
  color: var(--c-text);
}

.btn-success {
  background: var(--c-success);
  border-color: var(--c-success);
  color: #fff;
}
.btn-success:hover, .btn-success:focus { background: #047857; border-color: #047857; color: #fff; }

.btn-warning {
  background: var(--c-warning);
  border-color: var(--c-warning);
  color: #fff;
}
.btn-warning:hover, .btn-warning:focus { background: #b45309; border-color: #b45309; color: #fff; }

.btn-secondary,
.btn-light {
  background: var(--c-surface);
  border-color: var(--c-border-strong);
  color: var(--c-text);
}
.btn-secondary:hover, .btn-light:hover {
  background: var(--c-surface-muted);
  border-color: var(--c-border-strong);
  color: var(--c-text);
}

.btn-group-sm > .btn { border-color: var(--c-border-strong); }

/* Tool buttons — active state shows ring, not fill */
.tool-btn.is-active,
.tool-btn.is-active:hover,
.tool-btn.is-active:focus {
  background-color: transparent !important;
  box-shadow: 0 0 0 2.5px currentColor;
  z-index: 2;
}

/* ---------- inputs ---------- */
.form-control, .form-select {
  border-color: var(--c-border-strong);
  border-radius: var(--r-sm);
  font-size: .88rem;
  color: var(--c-text);
  background: var(--c-surface);
  transition: border-color .12s ease, box-shadow .12s ease;
}
.form-control::placeholder { color: var(--c-text-subtle); }
.form-control:focus, .form-select:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-soft);
}
.form-label { font-weight: 500; font-size: .83rem; color: var(--c-text); margin-bottom: .3rem; }
.form-text  { font-size: .77rem; color: var(--c-text-subtle); }

.input-group-text {
  background: var(--c-surface-muted);
  border-color: var(--c-border-strong);
  color: var(--c-text-muted);
  font-size: .82rem;
}

.form-range { accent-color: var(--c-accent); }
.form-range-narrow { max-width: 140px; }
.form-range-medium { max-width: 160px; }

.form-check-input {
  border-color: var(--c-border-strong);
}
.form-check-input:checked {
  background-color: var(--c-accent);
  border-color: var(--c-accent);
}
.form-switch .form-check-input {
  background-color: var(--c-border-strong);
  border-color: var(--c-border-strong);
}
.form-switch .form-check-input:checked {
  background-color: var(--c-accent);
  border-color: var(--c-accent);
}
.form-check-label { font-size: .87rem; color: var(--c-text); }

/* ---------- canvas area ---------- */
#canvasWrap { background: #1a1d23 !important; }
#canvas { background: #0f1115; cursor: crosshair; }
[data-bs-theme="dark"] #canvasWrap { background: #05070b !important; }
[data-bs-theme="dark"] #canvas     { background: #05070b; }

/* ---------- modal ---------- */
.modal-content {
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
  background: var(--c-surface);
}
.modal-header {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--c-border);
}
.modal-title { font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; }
.modal-body  { padding: 1.25rem 1.5rem; }
.modal-footer {
  padding: .85rem 1.5rem;
  border-top: 1px solid var(--c-border);
  gap: .5rem;
}
.btn-close { opacity: .55; }
.btn-close:hover { opacity: .85; }

/* ---------- offcanvas ---------- */
.offcanvas {
  border-left: 1px solid var(--c-border);
  box-shadow: var(--sh-lg);
}
.offcanvas-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--c-border);
}
.offcanvas-title { font-weight: 600; font-size: 1rem; letter-spacing: -0.01em; }
.offcanvas-body { padding: 1rem 1.25rem; }

/* ---------- list group ---------- */
.list-group { border-radius: var(--r-md); }
.list-group-item {
  border-color: var(--c-border);
  font-size: .88rem;
  color: var(--c-text);
  padding: .6rem .85rem;
}
.list-group-item + .list-group-item { border-top-color: var(--c-border); }
.layers-scrollable { max-height: 50vh; overflow: auto; }

/* ---------- badge ---------- */
.badge {
  font-weight: 500;
  font-size: .72rem;
  letter-spacing: .02em;
  border-radius: var(--r-xs);
  padding: .32em .55em;
}
.badge.text-bg-danger { background: var(--c-danger) !important; }

/* ---------- toast ---------- */
#toast.toast, .toast {
  border-radius: var(--r-md);
  box-shadow: var(--sh-lg);
  border: 1px solid rgba(255, 255, 255, .08);
}
.toast.text-bg-dark { background: #1a1d23 !important; }
[data-bs-theme="dark"] .toast.text-bg-dark { background: #242933 !important; color: var(--c-text) !important; }
.toast-body { font-size: .85rem; padding: .7rem .85rem; }

/* ---------- alert ---------- */
.alert {
  border-radius: var(--r-md);
  border-width: 1px;
  padding: .7rem .9rem;
  font-size: .88rem;
}
.alert-danger  { background: var(--c-danger-soft);  border-color: #fecaca; color: #991b1b; }
.alert-success { background: var(--c-success-soft); border-color: #a7f3d0; color: #065f46; }
.alert-info    { background: var(--c-accent-soft);  border-color: #c7d2fe; color: #3730a3; }
.alert-warning { background: var(--c-warning-soft); border-color: #fde68a; color: #92400e; }

/* ---------- kbd ---------- */
kbd {
  font-family: var(--font-mono);
  font-size: .76rem;
  background: var(--c-surface-muted);
  color: var(--c-text);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-xs);
  padding: 1px 6px;
  box-shadow: inset 0 -1px 0 var(--c-border);
}

/* ---------- table ---------- */
.table { color: var(--c-text); border-color: var(--c-border); }
.table > :not(caption) > * > * {
  border-bottom-color: var(--c-border);
  background: transparent;
}
.table-sm > :not(caption) > * > * { padding: .5rem .75rem; font-size: .83rem; }
.table thead th {
  font-weight: 600;
  color: var(--c-text-muted);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--c-border);
}

/* ---------- progress ---------- */
.progress {
  background: var(--c-surface-muted);
  border-radius: var(--r-sm);
  height: 8px;
}
.progress-bar { background: var(--c-accent); }

/* ---------- divider ---------- */
hr { border-color: var(--c-border); opacity: 1; }

/* ---------- utility classes referenced from HTML ---------- */
.z-above     { z-index: 1080 !important; }
.z-overlay   { z-index: 2000 !important; }
.min-w-280   { min-width: 280px; }
.text-subtle { color: var(--c-text-subtle) !important; }
.text-dim    { color: var(--c-text-muted) !important; }

/* Offcanvas hint line */
.ghost-note {
  color: var(--c-text-muted);
  font-size: .82rem;
  line-height: 1.45;
}

/* Section label inside offcanvas/modal */
.section-label {
  font-size: .74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--c-text-subtle);
  margin: .25rem 0 .4rem;
}

/* Dense toggle row */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  flex-wrap: wrap;
}

/* ROI overlay card */
.floating-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
  padding: .9rem 1rem;
}

/* Theme toggle button (sun/moon) */
.theme-toggle {
  width: 36px; height: 36px;
  padding: 0;
  border-radius: var(--r-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  line-height: 1;
  background: transparent;
  border: 1px solid var(--c-border-strong);
  color: var(--c-text-muted);
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.theme-toggle:hover, .theme-toggle:focus {
  background: var(--c-surface-muted);
  color: var(--c-text);
  border-color: var(--c-border-strong);
}
.theme-toggle .ico-sun,
.theme-toggle .ico-moon { display: none; }
[data-bs-theme="light"] .theme-toggle .ico-moon,
html:not([data-bs-theme="dark"]) .theme-toggle .ico-moon { display: inline; }
[data-bs-theme="dark"] .theme-toggle .ico-sun { display: inline; }

/* Bootstrap form-control in dark: clean darker input */
[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
  background: var(--c-surface-muted);
  border-color: var(--c-border-strong);
  color: var(--c-text);
}
[data-bs-theme="dark"] .form-control::placeholder { color: var(--c-text-subtle); }
[data-bs-theme="dark"] .input-group-text {
  background: var(--c-surface);
  color: var(--c-text-muted);
  border-color: var(--c-border-strong);
}

/* Dark-theme buttons tuned */
[data-bs-theme="dark"] .btn-outline-secondary { background: var(--c-surface-muted); color: var(--c-text-muted); }
[data-bs-theme="dark"] .btn-outline-secondary:hover { background: var(--c-surface); color: var(--c-text); }
[data-bs-theme="dark"] .btn-outline-primary   { background: var(--c-surface-muted); color: var(--c-accent-hover); }
[data-bs-theme="dark"] .btn-outline-success   { background: var(--c-surface-muted); color: var(--c-success); }
[data-bs-theme="dark"] .btn-outline-danger    { background: var(--c-surface-muted); color: var(--c-danger); }
[data-bs-theme="dark"] .btn-outline-dark      { background: var(--c-surface-muted); color: var(--c-text); }
[data-bs-theme="dark"] .btn-secondary,
[data-bs-theme="dark"] .btn-light {
  background: var(--c-surface-muted);
  border-color: var(--c-border-strong);
  color: var(--c-text);
}
[data-bs-theme="dark"] .btn-primary { color: #fff; }
[data-bs-theme="dark"] .btn-primary:hover { background: var(--c-accent-hover); border-color: var(--c-accent-hover); }

/* Dark modal/offcanvas surfaces */
[data-bs-theme="dark"] .modal-content,
[data-bs-theme="dark"] .offcanvas {
  background: var(--c-surface);
  color: var(--c-text);
}
[data-bs-theme="dark"] .btn-close {
  filter: invert(1) grayscale(100%) brightness(1.6);
}

/* Dark alerts */
[data-bs-theme="dark"] .alert-danger  { background: var(--c-danger-soft);  border-color: rgba(248, 113, 113, .35); color: #fecaca; }
[data-bs-theme="dark"] .alert-success { background: var(--c-success-soft); border-color: rgba(52, 211, 153, .35); color: #a7f3d0; }
[data-bs-theme="dark"] .alert-info    { background: var(--c-accent-soft);  border-color: rgba(99, 102, 241, .35); color: #c7d2fe; }
[data-bs-theme="dark"] .alert-warning { background: var(--c-warning-soft); border-color: rgba(251, 191, 36, .35); color: #fde68a; }

/* Dark kbd */
[data-bs-theme="dark"] kbd {
  background: var(--c-surface-muted);
  color: var(--c-text);
  border-color: var(--c-border-strong);
  box-shadow: inset 0 -1px 0 rgba(0,0,0,.4);
}
