/* ==========================================================================
   dedugan.dev — Visual Form Designer
   Two themes: body.theme-classic (Win98) and body.theme-modern (Dark Indigo)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. THEME TOKENS — Classic
   -------------------------------------------------------------------------- */

body.theme-classic {
  /* Surfaces */
  --bg-body:          #c0c0c0;
  --bg-panel:         #c0c0c0;
  --bg-sidebar:       #c0c0c0;
  --bg-canvas:        #ffffff;
  --bg-toolbar:       #c0c0c0;
  --bg-statusbar:     #c0c0c0;
  --bg-menubar:       #c0c0c0;
  --bg-dropdown:      #c0c0c0;
  --bg-input:         #ffffff;
  --bg-input-focus:   #ffffff;
  --bg-selection:     #000080;
  --bg-header-row:    #d4d0c8;
  --bg-mdi-area:      #008080;

  /* Titlebar gradient */
  --titlebar-from:    #000080;
  --titlebar-to:      #1084d0;
  --titlebar-text:    #ffffff;
  --titlebar-inactive-from: #7b7b7b;
  --titlebar-inactive-to:   #b0b0b0;

  /* Text */
  --text-primary:     #000000;
  --text-secondary:   #444444;
  --text-muted:       #808080;
  --text-on-accent:   #ffffff;
  --text-disabled:    #808080;
  --text-selected:    #ffffff;
  --text-label:       #000000;

  /* Borders */
  --border-color:     #808080;
  --border-light:     #ffffff;
  --border-dark:      #0a0a0a;
  --border-mid:       #808080;

  /* Accent */
  --accent:           #000080;
  --accent-hover:     #1084d0;
  --accent-ring:      #0000ff;

  /* Shadows — classic 3-D bevel */
  --shadow-raised:    inset -1px -1px #0a0a0a,
                      inset  1px  1px #ffffff,
                      inset -2px -2px #808080,
                      inset  2px  2px #c0c0c0;
  --shadow-pressed:   inset  1px  1px #0a0a0a,
                      inset -1px -1px #ffffff,
                      inset  2px  2px #808080,
                      inset -2px -2px #c0c0c0;
  --shadow-sunken:    inset  1px  1px #808080,
                      inset -1px -1px #ffffff,
                      inset  2px  2px #0a0a0a,
                      inset -2px -2px #dfdfdf;
  --shadow-group:     inset 1px 1px #808080, inset -1px -1px #ffffff;
  --shadow-window:    2px 2px 0 #000000;
  --shadow-dropdown:  2px 2px 4px rgba(0,0,0,0.4);

  /* Radius — none in classic */
  --radius-sm:        0px;
  --radius-md:        0px;
  --radius-lg:        0px;
  --radius-xl:        0px;

  /* Typography */
  --font-ui:          Tahoma, 'MS Sans Serif', Arial, sans-serif;
  --font-size-base:   11px;
  --font-size-sm:     10px;
  --font-size-lg:     12px;

  /* Spacing */
  --space-1:          2px;
  --space-2:          4px;
  --space-3:          6px;
  --space-4:          8px;
  --space-5:          12px;
  --space-6:          16px;

  /* Dot grid */
  --grid-dot-color:   rgba(0,0,0,0.25);
  --grid-dot-size:    8px;

  /* Transitions — instant in classic */
  --transition-fast:  none;
  --transition-std:   none;

  /* Control chrome */
  --ctrl-bg:          #c0c0c0;
  --ctrl-border:      #808080;
  --ctrl-text:        #000000;
  --ctrl-select-outline: 1px dashed #0000ff;
  --ctrl-select-glow: none;
}

/* --------------------------------------------------------------------------
   2. THEME TOKENS — Modern
   -------------------------------------------------------------------------- */

body.theme-modern {
  /* Surfaces */
  --bg-body:          #0f0f1a;
  --bg-panel:         #1a1a2e;
  --bg-sidebar:       #16213e;
  --bg-canvas:        #1e1e2e;
  --bg-toolbar:       #12122a;
  --bg-statusbar:     #0d0d1a;
  --bg-menubar:       #12122a;
  --bg-dropdown:      #1f1f38;
  --bg-input:         #0f0f24;
  --bg-input-focus:   #141428;
  --bg-selection:     #6366f1;
  --bg-header-row:    #1e1e3a;
  --bg-mdi-area:      #0c0c18;

  /* Titlebar */
  --titlebar-from:    #6366f1;
  --titlebar-to:      #4f46e5;
  --titlebar-text:    #ffffff;
  --titlebar-inactive-from: #2a2a4a;
  --titlebar-inactive-to:   #1e1e38;

  /* Text */
  --text-primary:     #e2e2f0;
  --text-secondary:   #a0a0c0;
  --text-muted:       #606080;
  --text-on-accent:   #ffffff;
  --text-disabled:    #404060;
  --text-selected:    #ffffff;
  --text-label:       #a0a0c0;

  /* Borders */
  --border-color:     #2a2a4a;
  --border-light:     #3a3a5a;
  --border-dark:      #0a0a18;
  --border-mid:       #2e2e50;

  /* Accent */
  --accent:           #6366f1;
  --accent-hover:     #818cf8;
  --accent-ring:      #6366f1;

  /* Shadows */
  --shadow-raised:    0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-pressed:   inset 0 1px 3px rgba(0,0,0,0.5);
  --shadow-sunken:    inset 0 1px 4px rgba(0,0,0,0.6);
  --shadow-group:     0 0 0 1px var(--border-color);
  --shadow-window:    0 8px 32px rgba(0,0,0,0.6), 0 2px 8px rgba(0,0,0,0.4);
  --shadow-dropdown:  0 8px 24px rgba(0,0,0,0.5);

  /* Radius */
  --radius-sm:        4px;
  --radius-md:        6px;
  --radius-lg:        8px;
  --radius-xl:        12px;

  /* Typography */
  --font-ui:          Inter, system-ui, -apple-system, sans-serif;
  --font-size-base:   13px;
  --font-size-sm:     11px;
  --font-size-lg:     14px;

  /* Spacing */
  --space-1:          2px;
  --space-2:          4px;
  --space-3:          6px;
  --space-4:          8px;
  --space-5:          12px;
  --space-6:          16px;

  /* Dot grid */
  --grid-dot-color:   rgba(255,255,255,0.06);
  --grid-dot-size:    8px;

  /* Transitions */
  --transition-fast:  80ms ease;
  --transition-std:   150ms ease;

  /* Control chrome */
  --ctrl-bg:          #252540;
  --ctrl-border:      #3a3a5e;
  --ctrl-text:        #e2e2f0;
  --ctrl-select-outline: 1px solid #6366f1;
  --ctrl-select-glow: 0 0 0 2px rgba(99,102,241,0.35);
}

/* --------------------------------------------------------------------------
   3. RESET & BASE
   -------------------------------------------------------------------------- */

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

body {
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.4;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------------------------------------
   4. APP SHELL
   -------------------------------------------------------------------------- */

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   5. MENUBAR
   -------------------------------------------------------------------------- */

#menubar {
  display: flex;
  align-items: center;
  background: var(--bg-menubar);
  border-bottom: 1px solid var(--border-dark);
  height: 24px;
  flex-shrink: 0;
  padding: 0 var(--space-2);
  gap: var(--space-1);
}

body.theme-classic #menubar {
  box-shadow: inset 0 -1px #808080;
}

body.theme-modern #menubar {
  border-bottom: 1px solid var(--border-color);
}

.menu-logo {
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--accent);
  padding: 0 var(--space-3);
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

body.theme-modern .menu-logo {
  color: var(--accent-hover);
}

.menu-nav {
  display: flex;
  align-items: stretch;
  height: 100%;
  flex: 1;
}

.menu-group {
  position: relative;
}

.menu-top {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 var(--space-3);
  cursor: default;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  white-space: nowrap;
  transition: background var(--transition-fast);
}

.menu-top:hover,
.menu-group--open > .menu-top {
  background: var(--bg-selection);
  color: var(--text-selected);
}

body.theme-classic .menu-top:hover,
body.theme-classic .menu-group--open > .menu-top {
  background: var(--accent);
  color: #ffffff;
}

.menu-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  background: var(--bg-dropdown);
  border: 1px solid var(--border-dark);
  z-index: 9000;
  box-shadow: var(--shadow-dropdown);
  padding: var(--space-1) 0;
  border-radius: var(--radius-sm);
}

body.theme-classic .menu-dropdown {
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  box-shadow: var(--shadow-dropdown);
}

.menu-group--open > .menu-dropdown {
  display: block;
}

.menu-item {
  display: flex;
  align-items: center;
  padding: var(--space-1) var(--space-5);
  gap: var(--space-3);
  cursor: default;
  color: var(--text-primary);
  font-size: var(--font-size-base);
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.menu-item:hover {
  background: var(--bg-selection);
  color: var(--text-selected);
}

.menu-item--disabled {
  color: var(--text-disabled);
  pointer-events: none;
}

.menu-sep {
  height: 1px;
  background: var(--border-color);
  margin: var(--space-1) 0;
}

body.theme-classic .menu-sep {
  border-top: 1px solid #808080;
  border-bottom: 1px solid #ffffff;
  background: transparent;
}

/* --------------------------------------------------------------------------
   6. LANG SWITCHER
   -------------------------------------------------------------------------- */

.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
  padding: 0 var(--space-2);
}

.lang-switcher button {
  font-family: var(--font-ui);
  font-size: var(--font-size-sm);
  padding: 1px var(--space-2);
  background: var(--bg-panel);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.lang-switcher button:hover,
.lang-switcher button--active {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
}

body.theme-classic .lang-switcher button {
  box-shadow: var(--shadow-raised);
  border: none;
}

body.theme-classic .lang-switcher button:hover {
  box-shadow: var(--shadow-pressed);
  background: var(--bg-panel);
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   7. TOOLBAR
   -------------------------------------------------------------------------- */

#toolbar {
  display: flex;
  align-items: center;
  background: var(--bg-toolbar);
  border-bottom: 1px solid var(--border-dark);
  height: 30px;
  flex-shrink: 0;
  padding: 0 var(--space-2);
  gap: var(--space-1);
}

body.theme-classic #toolbar {
  box-shadow: inset 0 -1px #808080, inset 0 1px #ffffff;
}

body.theme-modern #toolbar {
  border-bottom: 1px solid var(--border-color);
}

.tb-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
  flex-shrink: 0;
}

.tb-btn:hover {
  background: var(--bg-panel);
  border-color: var(--border-color);
}

body.theme-classic .tb-btn:hover {
  box-shadow: var(--shadow-raised);
  border-color: transparent;
  background: var(--bg-panel);
}

.tb-btn:active {
  box-shadow: var(--shadow-pressed);
}

body.theme-modern .tb-btn:hover {
  background: rgba(99,102,241,0.12);
  border-color: rgba(99,102,241,0.3);
}

.tb-btn--active {
  background: var(--bg-panel);
  border-color: var(--border-color);
  box-shadow: var(--shadow-pressed);
}

.tb-sep {
  width: 1px;
  height: 18px;
  background: var(--border-color);
  margin: 0 var(--space-1);
  flex-shrink: 0;
}

body.theme-classic .tb-sep {
  border-left: 1px solid #808080;
  border-right: 1px solid #ffffff;
  background: transparent;
  width: 2px;
}

/* --------------------------------------------------------------------------
   8. WORKSPACE (3-column)
   -------------------------------------------------------------------------- */

#workspace {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

/* --------------------------------------------------------------------------
   9. TOOLBOX (left sidebar)
   -------------------------------------------------------------------------- */

#toolbox {
  width: 72px;
  flex-shrink: 0;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-dark);
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-2);
}

body.theme-classic #toolbox {
  box-shadow: inset -1px 0 #808080;
  border-right: none;
}

body.theme-modern #toolbox {
  border-right: 1px solid var(--border-color);
}

#toolbox::-webkit-scrollbar { width: 6px; }
#toolbox::-webkit-scrollbar-track { background: var(--bg-sidebar); }
#toolbox::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }

.toolbox-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-1);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  border: 1px solid transparent;
}

.toolbox-item:hover {
  background: var(--bg-panel);
  border-color: var(--border-color);
}

body.theme-classic .toolbox-item:hover {
  box-shadow: var(--shadow-raised);
  border-color: transparent;
}

body.theme-modern .toolbox-item:hover {
  background: rgba(99,102,241,0.1);
  border-color: rgba(99,102,241,0.25);
}

.toolbox-item--active {
  background: var(--bg-selection);
  color: var(--text-selected);
  border-color: var(--accent);
}

body.theme-classic .toolbox-item--active {
  box-shadow: var(--shadow-pressed);
  background: var(--bg-panel);
  border-color: transparent;
}

.toolbox-icon {
  font-size: 18px;
  line-height: 1;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
}

.toolbox-item--active .toolbox-icon,
.toolbox-item:hover .toolbox-icon {
  color: var(--text-primary);
}

body.theme-modern .toolbox-item--active .toolbox-icon {
  color: var(--accent-hover);
}

.toolbox-label {
  font-size: 9px;
  text-align: center;
  color: var(--text-muted);
  line-height: 1.1;
  max-width: 56px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toolbox-item--active .toolbox-label {
  color: var(--text-selected);
}

body.theme-classic .toolbox-item--active .toolbox-label {
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   10. DESIGNER AREA (center)
   -------------------------------------------------------------------------- */

#designer-area {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-mdi-area);
  overflow: hidden;
  position: relative;
}

/* MDI area — teal in classic, very dark in modern */

.mdi-area {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--bg-mdi-area);
}

#form-title-bar {
  display: flex;
  align-items: center;
  height: 22px;
  background: linear-gradient(to right, var(--titlebar-from), var(--titlebar-to));
  padding: 0 var(--space-2);
  gap: var(--space-2);
  flex-shrink: 0;
  color: var(--titlebar-text);
  font-size: var(--font-size-base);
  font-weight: 600;
}

body.theme-classic #form-title-bar {
  font-size: 11px;
  font-weight: bold;
}

.form-title-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.form-title-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#form-canvas {
  flex: 1;
  background-color: var(--bg-canvas);
  background-image: radial-gradient(circle, var(--grid-dot-color) 1px, transparent 1px);
  background-size: var(--grid-dot-size) var(--grid-dot-size);
  position: relative;
  overflow: hidden;
  cursor: default;
}

body.theme-classic #form-canvas {
  border: 2px inset;
  border-color: #808080 #ffffff #ffffff #808080;
}

/* --------------------------------------------------------------------------
   11. PROPERTIES PANEL (right)
   -------------------------------------------------------------------------- */

#properties {
  width: 220px;
  flex-shrink: 0;
  background: var(--bg-panel);
  border-left: 1px solid var(--border-dark);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body.theme-classic #properties {
  box-shadow: inset 1px 0 #808080;
  border-left: none;
}

body.theme-modern #properties {
  border-left: 1px solid var(--border-color);
}

.panel-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-header-row);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

body.theme-classic .panel-title {
  background: var(--accent);
  color: #ffffff;
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0;
  text-transform: none;
  border-bottom: none;
}

#prop-grid {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

#prop-grid::-webkit-scrollbar { width: 8px; }
#prop-grid::-webkit-scrollbar-track { background: var(--bg-panel); }
#prop-grid::-webkit-scrollbar-thumb { background: var(--border-color); }
body.theme-modern #prop-grid::-webkit-scrollbar-thumb { border-radius: 4px; }

.pg-table {
  width: 100%;
  border-collapse: collapse;
}

.pg-header {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: 700;
  background: var(--bg-header-row);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

body.theme-classic .pg-header {
  background: #d4d0c8;
  color: #000000;
}

.pg-row {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  min-height: 20px;
}

.pg-row:hover {
  background: rgba(128,128,255,0.06);
}

body.theme-classic .pg-row:hover {
  background: rgba(0,0,128,0.06);
}

.pg-label {
  width: 50%;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--text-label);
  border-right: 1px solid var(--border-color);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.pg-value {
  flex: 1;
  display: flex;
  align-items: center;
  min-width: 0;
}

.pg-input {
  width: 100%;
  height: 100%;
  min-height: 19px;
  padding: 0 var(--space-2);
  background: var(--bg-input);
  color: var(--text-primary);
  border: none;
  outline: none;
  font-family: var(--font-ui);
  font-size: var(--font-size-sm);
  transition: background var(--transition-fast);
}

.pg-input:focus {
  background: var(--bg-input-focus);
  outline: 1px solid var(--accent);
  outline-offset: -1px;
}

body.theme-classic .pg-input:focus {
  outline: 1px dotted #000080;
}

.pg-input--bool {
  width: 14px;
  height: 14px;
  margin: 0 var(--space-2);
  accent-color: var(--accent);
  cursor: pointer;
}

.pg-input--color {
  width: 28px;
  height: 16px;
  margin: 0 var(--space-2);
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.pg-empty {
  padding: var(--space-4);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  font-style: italic;
  text-align: center;
}

/* --------------------------------------------------------------------------
   12. STATUSBAR
   -------------------------------------------------------------------------- */

#statusbar {
  display: flex;
  align-items: center;
  background: var(--bg-statusbar);
  border-top: 1px solid var(--border-dark);
  height: 22px;
  flex-shrink: 0;
  padding: 0 var(--space-2);
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

body.theme-classic #statusbar {
  box-shadow: inset 0 1px #808080;
  border-top: none;
}

#statusbar span {
  padding: 0 var(--space-3);
  border-right: 1px solid var(--border-color);
  line-height: 20px;
  white-space: nowrap;
}

body.theme-classic #statusbar span {
  box-shadow: var(--shadow-sunken);
  border-right: none;
  padding: 1px var(--space-3);
}

#statusbar span:last-child {
  border-right: none;
}

/* --------------------------------------------------------------------------
   13. CONTROLS ON CANVAS — shared base
   -------------------------------------------------------------------------- */

.ctrl {
  position: absolute;
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  color: var(--ctrl-text);
  background: var(--ctrl-bg);
}

.ctrl--design {
  cursor: move;
}

.ctrl--selected {
  outline: var(--ctrl-select-outline);
  outline-offset: 1px;
  box-shadow: var(--ctrl-select-glow);
}

/* Selection handles — 8 points */
body.theme-classic .ctrl--selected::before,
body.theme-classic .ctrl--selected::after {
  content: '';
  display: block;
  position: absolute;
  width: 5px;
  height: 5px;
  background: #000080;
  border: 1px solid #ffffff;
  z-index: 1;
}
body.theme-classic .ctrl--selected::before {
  top: -3px;
  left: -3px;
  box-shadow:
    calc(50% + 1.5px) 0 0 #000080,
    calc(100% + 3px)  0 0 #000080,
    0   calc(50% + 1.5px) 0 #000080,
    calc(100% + 3px) calc(50% + 1.5px) 0 #000080,
    0   calc(100% + 3px)  0 #000080,
    calc(50% + 1.5px) calc(100% + 3px) 0 #000080,
    calc(100% + 3px) calc(100% + 3px) 0 #000080;
}
body.theme-modern .ctrl--selected::before,
body.theme-modern .ctrl--selected::after {
  content: '';
  display: block;
  position: absolute;
  width: 6px;
  height: 6px;
  background: #6366f1;
  border-radius: 50%;
  z-index: 1;
}
body.theme-modern .ctrl--selected::before {
  top: -4px;
  left: -4px;
  box-shadow:
    calc(50% + 2px) 0 0 #6366f1,
    calc(100% + 4px)  0 0 #6366f1,
    0   calc(50% + 2px) 0 #6366f1,
    calc(100% + 4px) calc(50% + 2px) 0 #6366f1,
    0   calc(100% + 4px)  0 #6366f1,
    calc(50% + 2px) calc(100% + 4px) 0 #6366f1,
    calc(100% + 4px) calc(100% + 4px) 0 #6366f1;
}

/* --- Button --- */
.ctrl-button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px var(--space-5);
  background: var(--ctrl-bg);
  border: 1px solid var(--ctrl-border);
  cursor: default;
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  color: var(--ctrl-text);
  border-radius: var(--radius-sm);
}

body.theme-classic .ctrl-button {
  box-shadow: var(--shadow-raised);
  border: none;
  background: var(--bg-panel);
}

/* --- Label --- */
.ctrl-label {
  background: transparent;
  border: none;
  color: var(--ctrl-text);
  padding: 1px 2px;
  white-space: nowrap;
  overflow: hidden;
}

/* --- Textfield --- */
.ctrl-textfield {
  border: 1px solid var(--ctrl-border);
  background: var(--bg-input);
  color: var(--ctrl-text);
  padding: 2px var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  border-radius: var(--radius-sm);
}

body.theme-classic .ctrl-textfield {
  box-shadow: var(--shadow-sunken);
  border-color: transparent;
}

/* --- Textarea --- */
.ctrl-textarea {
  border: 1px solid var(--ctrl-border);
  background: var(--bg-input);
  color: var(--ctrl-text);
  padding: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  resize: none;
  border-radius: var(--radius-sm);
}

body.theme-classic .ctrl-textarea {
  box-shadow: var(--shadow-sunken);
  border-color: transparent;
}

/* --- Checkbox --- */
.ctrl-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  color: var(--ctrl-text);
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  cursor: default;
}

.ctrl-checkbox input[type="checkbox"] {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  accent-color: var(--accent);
}

/* --- RadioButton --- */
.ctrl-radiobutton {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  color: var(--ctrl-text);
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  cursor: default;
}

.ctrl-radiobutton input[type="radio"] {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  accent-color: var(--accent);
}

/* --- ComboBox --- */
.ctrl-combobox {
  display: flex;
  align-items: center;
  border: 1px solid var(--ctrl-border);
  background: var(--bg-input);
  color: var(--ctrl-text);
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

body.theme-classic .ctrl-combobox {
  box-shadow: var(--shadow-sunken);
  border-color: transparent;
}

.ctrl-combobox select {
  flex: 1;
  border: none;
  background: transparent;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  padding: 2px var(--space-2);
  outline: none;
  -webkit-appearance: none;
}

/* --- ListBox --- */
.ctrl-listbox {
  border: 1px solid var(--ctrl-border);
  background: var(--bg-input);
  color: var(--ctrl-text);
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  overflow-y: auto;
  border-radius: var(--radius-sm);
}

body.theme-classic .ctrl-listbox {
  box-shadow: var(--shadow-sunken);
  border-color: transparent;
}

.ctrl-listbox li {
  padding: 1px var(--space-3);
  cursor: default;
  list-style: none;
}

.ctrl-listbox li:hover,
.ctrl-listbox li.selected {
  background: var(--bg-selection);
  color: var(--text-selected);
}

/* --- GroupBox --- */
.ctrl-groupbox {
  border: 1px solid var(--ctrl-border);
  position: relative;
  padding: var(--space-4);
  padding-top: var(--space-5);
  background: transparent;
  border-radius: var(--radius-sm);
}

body.theme-classic .ctrl-groupbox {
  box-shadow: var(--shadow-group);
  border-color: transparent;
}

.ctrl-groupbox legend {
  position: absolute;
  top: -var(--font-size-base);
  left: var(--space-3);
  padding: 0 var(--space-2);
  background: var(--bg-canvas);
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  color: var(--ctrl-text);
}

/* --- ProgressBar --- */
.ctrl-progressbar {
  border: 1px solid var(--ctrl-border);
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 16px;
  position: relative;
}

body.theme-classic .ctrl-progressbar {
  box-shadow: var(--shadow-sunken);
  border-color: transparent;
}

.ctrl-progressbar__fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s ease;
}

body.theme-classic .ctrl-progressbar__fill {
  background: repeating-linear-gradient(
    90deg,
    #000080 0px,
    #000080 8px,
    #1084d0 8px,
    #1084d0 16px
  );
}

/* --- TreeView --- */
.ctrl-treeview {
  border: 1px solid var(--ctrl-border);
  background: var(--bg-input);
  color: var(--ctrl-text);
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  overflow: auto;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
}

body.theme-classic .ctrl-treeview {
  box-shadow: var(--shadow-sunken);
  border-color: transparent;
}

.tree-item {
  padding: 1px 0 1px var(--space-5);
  cursor: default;
  position: relative;
  list-style: none;
}

.tree-item::before {
  content: '▶';
  position: absolute;
  left: var(--space-1);
  font-size: 8px;
  color: var(--text-muted);
  top: 3px;
}

.tree-item--open::before {
  content: '▼';
}

.tree-item:hover {
  background: rgba(128,128,255,0.1);
}

body.theme-classic .tree-item:hover {
  background: rgba(0,0,128,0.08);
}

/* --- ListView --- */
.ctrl-listview {
  border: 1px solid var(--ctrl-border);
  background: var(--bg-input);
  color: var(--ctrl-text);
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  overflow: auto;
  border-radius: var(--radius-sm);
}

body.theme-classic .ctrl-listview {
  box-shadow: var(--shadow-sunken);
  border-color: transparent;
}

.lv-header {
  display: flex;
  background: var(--bg-header-row);
  border-bottom: 1px solid var(--border-color);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-secondary);
  position: sticky;
  top: 0;
}

body.theme-classic .lv-header {
  background: var(--bg-panel);
}

.lv-header > span {
  padding: 2px var(--space-3);
  border-right: 1px solid var(--border-color);
  flex: 1;
}

body.theme-classic .lv-header > span {
  box-shadow: var(--shadow-raised);
  border-right: none;
}

.lv-row {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}

.lv-row > span {
  padding: 1px var(--space-3);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lv-row:hover {
  background: rgba(128,128,255,0.08);
}

.lv-row--selected {
  background: var(--bg-selection) !important;
  color: var(--text-selected);
}

/* --- TabControl --- */
.ctrl-tabcontrol {
  display: flex;
  flex-direction: column;
  background: var(--ctrl-bg);
  border: 1px solid var(--ctrl-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

body.theme-classic .ctrl-tabcontrol {
  box-shadow: var(--shadow-group);
  border-color: transparent;
}

.tab-strip {
  display: flex;
  background: var(--bg-header-row);
  border-bottom: 1px solid var(--ctrl-border);
  flex-wrap: wrap;
}

.tab-btn {
  padding: 3px var(--space-4);
  font-family: var(--font-ui);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-right: 1px solid var(--border-color);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.tab-btn:hover {
  background: var(--bg-panel);
  color: var(--text-primary);
}

body.theme-classic .tab-btn {
  box-shadow: inset -1px 0 #808080;
  border-right: none;
}

.tab-btn--active {
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-weight: 600;
}

body.theme-classic .tab-btn--active {
  background: var(--bg-panel);
  box-shadow: inset -1px 0 #808080, inset 1px 0 #ffffff, inset 0 2px var(--accent);
}

body.theme-modern .tab-btn--active {
  background: var(--bg-canvas);
  border-bottom: 2px solid var(--accent);
  color: var(--accent-hover);
}

.tab-content {
  flex: 1;
  padding: var(--space-3);
  background: var(--bg-canvas);
  overflow: auto;
}

/* --- Panel --- */
.ctrl-panel {
  background: var(--ctrl-bg);
  border: 1px solid var(--ctrl-border);
  border-radius: var(--radius-sm);
}

body.theme-classic .ctrl-panel {
  box-shadow: var(--shadow-raised);
  border-color: transparent;
}

/* --- PictureBox --- */
.ctrl-picturebox {
  border: 1px solid var(--ctrl-border);
  background: var(--bg-input);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

body.theme-classic .ctrl-picturebox {
  box-shadow: var(--shadow-sunken);
  border-color: transparent;
}

.picturebox-placeholder {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  text-align: center;
  padding: var(--space-2);
}

/* --- Splitter --- */
.ctrl-splitter {
  background: var(--border-color);
  cursor: col-resize;
}

.ctrl-splitter--horizontal {
  cursor: row-resize;
}

/* --------------------------------------------------------------------------
   14. MDI WINDOWS
   -------------------------------------------------------------------------- */

.mdi-window {
  position: absolute;
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-window);
  min-width: 120px;
  min-height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

body.theme-classic .mdi-window {
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  border-radius: 0;
}

.mdi-window--active {
  z-index: 100;
}

body.theme-modern .mdi-window--active {
  box-shadow: 0 12px 40px rgba(0,0,0,0.7), 0 0 0 1px rgba(99,102,241,0.3);
}

.mdi-window--minimized {
  min-height: 0;
  height: auto !important;
}

.mdi-window--minimized .mdi-window__body {
  display: none;
}

.mdi-window--maximized {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  border-radius: 0;
}

.mdi-window__bar {
  display: flex;
  align-items: center;
  height: 22px;
  background: linear-gradient(to right, var(--titlebar-inactive-from), var(--titlebar-inactive-to));
  padding: 0 var(--space-2);
  gap: var(--space-2);
  flex-shrink: 0;
  cursor: move;
  color: var(--titlebar-text);
}

.mdi-window--active .mdi-window__bar {
  background: linear-gradient(to right, var(--titlebar-from), var(--titlebar-to));
}

body.theme-classic .mdi-window__bar {
  font-weight: bold;
  font-size: 11px;
}

.mdi-window__icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.mdi-window__title {
  flex: 1;
  font-size: var(--font-size-base);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--titlebar-text);
}

.mdi-window__controls {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.win-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 14px;
  font-size: 9px;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  cursor: pointer;
  color: var(--text-primary);
  line-height: 1;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

body.theme-classic .win-btn {
  width: 16px;
  height: 14px;
  border-radius: 0;
  box-shadow: var(--shadow-raised);
  border: none;
  background: #c0c0c0;
  color: #000000;
  font-size: 8px;
  font-weight: bold;
}

.win-btn:hover {
  background: var(--bg-selection);
  color: var(--text-selected);
}

body.theme-classic .win-btn:hover {
  box-shadow: var(--shadow-pressed);
  background: #c0c0c0;
  color: #000000;
}

.win-btn--min,
.win-btn--max {
  /* inherits .win-btn base; no override needed by default */
}

.win-btn--close:hover {
  background: #c0392b;
  color: #ffffff;
}

body.theme-classic .win-btn--close:hover {
  background: #c0c0c0;
  color: #000000;
}

.mdi-window__body {
  flex: 1;
  overflow: auto;
  background: var(--bg-canvas);
  padding: var(--space-3);
  font-size: var(--font-size-base);
  color: var(--text-primary);
}

body.theme-classic .mdi-window__body {
  border-top: 1px solid #808080;
}

.mdi-window__resize-handle {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 12px;
  height: 12px;
  cursor: se-resize;
  opacity: 0.4;
}

.mdi-window__resize-handle::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  border-right: 3px solid var(--border-color);
  border-bottom: 3px solid var(--border-color);
  border-radius: 0 0 var(--radius-sm) 0;
}

/* --------------------------------------------------------------------------
   15. MESSAGEBOX / INPUTBOX
   -------------------------------------------------------------------------- */

.msgbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
}

body.theme-classic .msgbox-overlay {
  background: rgba(0,0,0,0.3);
}

.msgbox {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-window);
  min-width: 280px;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

body.theme-classic .msgbox {
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  border-radius: 0;
  box-shadow: 3px 3px 0 #000000;
}

.msgbox__titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 22px;
  background: linear-gradient(to right, var(--titlebar-from), var(--titlebar-to));
  padding: 0 var(--space-2);
  color: var(--titlebar-text);
  flex-shrink: 0;
}

.msgbox__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.theme-classic .msgbox__title {
  font-weight: bold;
}

.msgbox__close {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 16px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

body.theme-classic .msgbox__close {
  border-radius: 0;
  box-shadow: var(--shadow-raised);
  border: none;
  background: #c0c0c0;
  color: #000000;
  font-weight: bold;
}

.msgbox__close:hover {
  background: #c0392b;
  color: #ffffff;
}

.msgbox__body {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
}

.msgbox__icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: bold;
}

.msgbox__icon--info    { background: #3b82f6; color: #fff; }
.msgbox__icon--warning { background: #f59e0b; color: #000; }
.msgbox__icon--error   { background: #ef4444; color: #fff; }
.msgbox__icon--question{ background: #6366f1; color: #fff; }

body.theme-classic .msgbox__icon {
  border-radius: 0;
  width: 32px;
  height: 32px;
  font-size: 20px;
}

.msgbox__message {
  flex: 1;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  line-height: 1.5;
  word-break: break-word;
  padding-top: var(--space-1);
}

.msgbox__buttons {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5) var(--space-5);
}

.msgbox__btn {
  padding: 3px var(--space-6);
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  background: var(--bg-panel);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  border-radius: var(--radius-sm);
  min-width: 64px;
  transition: background var(--transition-fast);
}

body.theme-classic .msgbox__btn {
  box-shadow: var(--shadow-raised);
  border: none;
  border-radius: 0;
  background: #c0c0c0;
}

.msgbox__btn:hover {
  background: var(--bg-header-row);
}

body.theme-classic .msgbox__btn:hover,
body.theme-classic .msgbox__btn:active {
  box-shadow: var(--shadow-pressed);
}

.msgbox__btn--default {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
  font-weight: 600;
}

body.theme-classic .msgbox__btn--default {
  box-shadow: var(--shadow-raised);
  background: #c0c0c0;
  color: #000000;
  font-weight: bold;
  border: 2px solid #000000;
  border-radius: 0;
}

.msgbox__btn--default:hover {
  background: var(--accent-hover);
}

/* InputBox */
.inputbox {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-window);
  min-width: 280px;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

body.theme-classic .inputbox {
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  border-radius: 0;
  box-shadow: 3px 3px 0 #000000;
}

.inputbox__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.inputbox__prompt {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  line-height: 1.4;
}

.inputbox__input {
  width: 100%;
  padding: 4px var(--space-3);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  outline: none;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.inputbox__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(99,102,241,0.2);
}

body.theme-classic .inputbox__input {
  box-shadow: var(--shadow-sunken);
  border-color: transparent;
  border-radius: 0;
}

body.theme-classic .inputbox__input:focus {
  box-shadow: var(--shadow-sunken);
}

/* --------------------------------------------------------------------------
   16. DEMO OVERLAYS
   -------------------------------------------------------------------------- */

.demo-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0,0,0,0.6);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 0;
}

body.theme-classic .demo-overlay {
  background: rgba(0,0,0,0.4);
}

.demo-overlay__header {
  flex-shrink: 0;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(to right, var(--titlebar-from), var(--titlebar-to));
  border-radius: 0;
}

body.theme-classic .demo-overlay__header {
  border-radius: 0;
  font-size: 12px;
}

.demo-overlay__header .tb-btn {
  width: auto;
  height: 26px;
  padding: 0 var(--space-3);
  white-space: nowrap;
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   17. MODELESS DIALOG
   -------------------------------------------------------------------------- */

.modeless-dialog {
  position: absolute;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-window);
  min-width: 240px;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  z-index: 200;
}

body.theme-classic .modeless-dialog {
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  border-radius: 0;
  box-shadow: 2px 2px 0 #000000;
}

.modeless-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  color: var(--text-primary);
}

.form-row label {
  min-width: 80px;
  color: var(--text-label);
  font-size: var(--font-size-sm);
}

.form-row input,
.form-row select {
  flex: 1;
  padding: 2px var(--space-2);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: var(--font-size-sm);
  outline: none;
  border-radius: var(--radius-sm);
}

body.theme-classic .form-row input,
body.theme-classic .form-row select {
  box-shadow: var(--shadow-sunken);
  border-color: transparent;
  border-radius: 0;
}

.form-row input:focus,
.form-row select:focus {
  border-color: var(--accent);
}

.modeless-btns {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5) var(--space-5);
  border-top: 1px solid var(--border-color);
}

body.theme-classic .modeless-btns {
  border-top-color: #808080;
}

.modeless-btns button {
  padding: 3px var(--space-5);
  font-family: var(--font-ui);
  font-size: var(--font-size-sm);
  background: var(--bg-panel);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  border-radius: var(--radius-sm);
  min-width: 56px;
  transition: background var(--transition-fast);
}

body.theme-classic .modeless-btns button {
  box-shadow: var(--shadow-raised);
  border: none;
  border-radius: 0;
  background: #c0c0c0;
}

.modeless-btns button:hover {
  background: var(--bg-header-row);
}

body.theme-classic .modeless-btns button:active {
  box-shadow: var(--shadow-pressed);
}

.modeless-btns button.btn-primary {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
  font-weight: 600;
}

body.theme-classic .modeless-btns button.btn-primary {
  background: #c0c0c0;
  color: #000000;
  font-weight: bold;
  border: 2px solid #000000;
  box-shadow: var(--shadow-raised);
}

.modeless-btns button.btn-primary:hover {
  background: var(--accent-hover);
}

/* --------------------------------------------------------------------------
   18. SCROLLBARS — Modern only
   -------------------------------------------------------------------------- */

body.theme-modern ::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

body.theme-modern ::-webkit-scrollbar-track {
  background: var(--bg-panel);
}

body.theme-modern ::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
}

body.theme-modern ::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* --------------------------------------------------------------------------
   19. FOCUS RING — accessibility
   -------------------------------------------------------------------------- */

:focus-visible {
  outline: 2px solid var(--accent-ring);
  outline-offset: 2px;
}

body.theme-classic :focus-visible {
  outline: 1px dotted #000000;
  outline-offset: 0;
}

/* --------------------------------------------------------------------------
   20. SELECTION
   -------------------------------------------------------------------------- */

::selection {
  background: var(--bg-selection);
  color: var(--text-selected);
}

/* ==========================================================================
   18. THEME SELECTOR DROPDOWN
   ========================================================================== */

.theme-selector {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.theme-selector__trigger {
  width: 28px;
  height: 28px;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.theme-selector__dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 220px;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-dialog);
  z-index: 9999;
  overflow: hidden;
}

.theme-selector__item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  text-align: left;
  transition: background var(--transition-fast);
}
.theme-selector__item:hover {
  background: var(--bg-hover);
}
.theme-selector__item--locked {
  opacity: 0.5;
  cursor: default;
}
.theme-selector__item--locked:hover {
  background: transparent;
}

.ts-swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid rgba(0,0,0,0.2);
  flex-shrink: 0;
}
.ts-name {
  flex: 1;
  font-weight: 500;
}
.ts-era {
  font-size: 10px;
  color: var(--text-secondary);
  margin-left: auto;
}
.ts-lock {
  font-size: 11px;
  opacity: 0.7;
  margin-left: 4px;
}
.ts-check {
  color: var(--border-focus, #0078d4);
  font-weight: 700;
  margin-left: 4px;
}

/* Classic theme overrides for selector */
body.theme-classic .theme-selector__dropdown,
body.theme-win3x .theme-selector__dropdown,
body.theme-win9x .theme-selector__dropdown {
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  border-radius: 0;
  box-shadow: 2px 2px 0 #000000;
}

/* ==========================================================================
   19. POWERED BY WATERMARK
   ========================================================================== */

#ddgn-watermark {
  position: fixed;
  bottom: 28px;       /* above statusbar */
  right: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-ui);
  font-size: 10px;
  color: rgba(0,0,0,0.35);
  pointer-events: none;
  user-select: none;
  z-index: 100;
  white-space: nowrap;
}
#ddgn-watermark .wm-logo { font-size: 12px; }
#ddgn-watermark .wm-text b { font-weight: 700; }

body.theme-modern  #ddgn-watermark,
body.theme-win10   #ddgn-watermark,
body.theme-vista   #ddgn-watermark,
body.theme-macos   #ddgn-watermark,
body.theme-qt      #ddgn-watermark,
body.theme-gtk     #ddgn-watermark {
  color: rgba(255,255,255,0.3);
}

/* ==========================================================================
   Resize handles (8-point selection, Delphi-style)
   ========================================================================== */

.resize-handle {
  position: absolute;
  width: 7px;
  height: 7px;
  background: #0078d4;
  border: 1px solid #fff;
  box-sizing: border-box;
  z-index: 1000;
  pointer-events: all;
}

.resize-handle--nw { top: -4px;  left: -4px;  cursor: nw-resize; }
.resize-handle--n  { top: -4px;  left: calc(50% - 3px); cursor: n-resize; }
.resize-handle--ne { top: -4px;  right: -4px; cursor: ne-resize; }
.resize-handle--w  { top: calc(50% - 3px); left: -4px;  cursor: w-resize; }
.resize-handle--e  { top: calc(50% - 3px); right: -4px; cursor: e-resize; }
.resize-handle--sw { bottom: -4px; left: -4px;  cursor: sw-resize; }
.resize-handle--s  { bottom: -4px; left: calc(50% - 3px); cursor: s-resize; }
.resize-handle--se { bottom: -4px; right: -4px; cursor: se-resize; }

/* ==========================================================================
   Property Grid — tabs (Properties / Events)
   ========================================================================== */

.pg-tabbar {
  display: flex;
  border-bottom: 1px solid var(--border, #aaa);
  background: var(--panel-bg, #f0f0f0);
  flex-shrink: 0;
}

.pg-tab {
  flex: 1;
  padding: 5px 4px;
  font-size: 11px;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  cursor: pointer;
  color: var(--text, #000);
  font-family: var(--font-ui, 'Segoe UI', Tahoma, sans-serif);
  white-space: nowrap;
}

.pg-tab:hover { background: var(--item-hover, #e0e0e0); }

.pg-tab--active {
  border-bottom: 2px solid #0078d4;
  font-weight: 600;
  background: var(--panel-bg, #f0f0f0);
}

.pg-ctrl-header {
  padding: 4px 6px;
  font-size: 11px;
  font-weight: 600;
  background: var(--title-bg, #316ac5);
  color: var(--title-fg, #fff);
  font-family: var(--font-ui, 'Segoe UI', Tahoma, sans-serif);
}

.pg-row--event .pg-label {
  font-family: monospace;
  font-size: 11px;
  color: #0050a0;
}

.pg-input--event {
  font-family: monospace;
  font-size: 11px;
  color: #800000;
  background: var(--input-bg, #fff);
  border: 1px solid var(--border, #aaa);
  width: 100%;
  box-sizing: border-box;
}

.pg-events-hint {
  padding: 4px 6px;
  font-size: 10px;
  color: var(--text-muted, #666);
  font-style: italic;
  font-family: var(--font-ui, 'Segoe UI', Tahoma, sans-serif);
}

/* Collection Editor — "..." button */
.pg-btn-dots {
  padding: 0 5px;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  border: 1px solid var(--border, #aaa);
  background: var(--btn-bg, #e1e1e1);
  color: var(--text, #000);
  border-radius: 2px;
  flex-shrink: 0;
}

.pg-btn-dots:hover { background: var(--btn-hover, #ccc); }

.pg-collection-preview {
  font-size: 11px;
  color: var(--text-muted, #666);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pg-color-label {
  font-size: 10px;
  font-family: monospace;
  color: var(--text-muted, #555);
}

/* ==========================================================================
   Collection Editor dialog
   ========================================================================== */

.collection-editor-backdrop {
  background: rgba(0,0,0,0.45);
}

.collection-editor {
  background: var(--panel-bg, #f0f0f0);
  border: 1px solid var(--border, #888);
  border-radius: 4px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
  min-width: 300px;
  max-width: 420px;
  padding: 0;
  overflow: hidden;
}

.collection-editor__title {
  background: var(--title-bg, #316ac5);
  color: var(--title-fg, #fff);
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-ui, 'Segoe UI', Tahoma, sans-serif);
}

.collection-editor__hint {
  padding: 6px 12px 2px;
  font-size: 11px;
  color: var(--text-muted, #666);
  margin: 0;
  font-family: var(--font-ui, 'Segoe UI', Tahoma, sans-serif);
}

.collection-editor__textarea {
  display: block;
  width: calc(100% - 24px);
  margin: 4px 12px;
  font-family: monospace;
  font-size: 12px;
  border: 1px solid var(--border, #aaa);
  padding: 6px;
  resize: vertical;
  background: var(--input-bg, #fff);
  color: var(--text, #000);
  box-sizing: border-box;
}

.collection-editor__btns {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  padding: 8px 12px;
  background: var(--panel-bg, #f0f0f0);
  border-top: 1px solid var(--border, #ccc);
}

/* ==========================================================================
   New Form Dialog (SDI / MDI / Dialog picker)
   ========================================================================== */

.new-form-dialog {
  background: var(--panel-bg, #f0f0f0);
  border: 1px solid var(--border, #888);
  border-radius: 4px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
  min-width: 360px;
  max-width: 460px;
  overflow: hidden;
}

.new-form-dialog__title {
  background: var(--title-bg, #316ac5);
  color: var(--title-fg, #fff);
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-ui, 'Segoe UI', Tahoma, sans-serif);
}

.new-form-dialog__subtitle {
  padding: 10px 14px 4px;
  font-size: 12px;
  color: var(--text, #000);
  font-family: var(--font-ui, 'Segoe UI', Tahoma, sans-serif);
}

.new-form-dialog__types {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 6px 14px 10px;
}

.nfd-card {
  border: 1px solid var(--border, #aaa);
  border-radius: 3px;
  padding: 8px 12px;
  cursor: pointer;
  background: var(--input-bg, #fff);
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: background 0.1s;
}

.nfd-card:hover { background: #e8f0fe; border-color: #90b0e8; }

.nfd-card--active {
  background: #dce8ff;
  border-color: #0078d4;
  box-shadow: 0 0 0 2px rgba(0,120,212,0.25);
}

.nfd-card strong {
  font-size: 13px;
  font-family: var(--font-ui, 'Segoe UI', Tahoma, sans-serif);
  color: var(--text, #000);
}

.nfd-card span {
  font-size: 11px;
  color: var(--text-muted, #666);
  font-family: var(--font-ui, 'Segoe UI', Tahoma, sans-serif);
}

.new-form-dialog__btns {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  padding: 8px 14px;
  background: var(--panel-bg, #f0f0f0);
  border-top: 1px solid var(--border, #ccc);
}

/* ==========================================================================
   Form app-type badge (SDI / MDI / Dialog label in title bar)
   ========================================================================== */

.form-app-type-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 8px;
  background: rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.9);
  margin-left: 8px;
  vertical-align: middle;
  letter-spacing: 0.5px;
  font-family: var(--font-ui, 'Segoe UI', Tahoma, sans-serif);
  text-transform: uppercase;
}

/* ==========================================================================
   Theme selector label in toolbar
   ========================================================================== */
.theme-selector-label {
  font-size: 11px;
  color: var(--text-muted, #666);
  margin-right: 2px;
  vertical-align: middle;
  font-family: var(--font-ui, 'Segoe UI', Tahoma, sans-serif);
}