/*
 * dimensions-shared.css
 * Design system + shared UI for all 3D modeling tools
 * (Model Editor, Radial Studio, Sculpt Studio, Shape Forge)
 *
 * NOTE: Requires design-system.css to be loaded first.
 * This file extends design-system.css with dimensions-specific components.
 * Core tokens, reset, base, page-tabs, panel chrome, buttons, sliders,
 * checkboxes, library grid, toast, context menu, and modal/overlay
 * are all defined in design-system.css.
 *
 * TYPOGRAPHY FLOOR: 11px minimum. Nothing smaller.
 */

/* ─────────────────────────────────────────────
   SVG ICON SYSTEM
   ─────────────────────────────────────────────
   All icons use <svg class="icon"><use href="#icon-NAME"/></svg>
   currentColor is inherited so icons automatically match their parent's color.
   .icon-lg / .icon-sm for size overrides.
   ───────────────────────────────────────────── */
.icon {
  width: 1em; height: 1em;
  display: inline-block;
  flex-shrink: 0;
  vertical-align: middle;
  fill: currentColor;
  pointer-events: none;
}
.icon-sm { width: .85em; height: .85em; }
.icon-lg { width: 1.3em; height: 1.3em; }

/* Items that prefix an icon before text */
.ctx-item,
.ed-item,
.arc-mode-btn,
.pbar-menu-btn,
.lib-ctx-header ~ .ctx-item {
  display: flex;
  align-items: center;
  gap: 7px;
}
.ctx-item .icon,
.ed-item .icon { flex-shrink: 0; opacity: .85; }
.ctx-item:hover .icon,
.ed-item:hover:not(.ed-disabled) .icon { opacity: 1; }


/* ─────────────────────────────────────────────
   PAGE TABS — edit menu extension
   Extends .page-tab from design-system.css
   ───────────────────────────────────────────── */
.page-tab .dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: .6;
}
.page-tab .icon  { width: 14px; height: 14px; opacity: .65; }
.page-tab.active .icon { opacity: 1; }

/* Edit menu — right-aligned in the tab bar */
#edit-menu-wrap {
  margin-left: auto;
  position: relative;
  display: flex;
  align-items: stretch;
}
#edit-menu-btn {
  padding: 0 18px;
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  border: none;
  background: transparent;
  border-left: 1px solid var(--border);
  transition: color .15s, background .15s;
  display: flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}
#edit-menu-btn:hover,
#edit-menu-btn.open {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 4%, transparent);
}
#edit-menu-btn .chevron {
  font-size: 11px;
  opacity: .5;
  transition: transform .15s;
}
#edit-menu-btn.open .chevron { transform: rotate(180deg); }
#edit-menu-btn .icon { width: 13px; height: 13px; }

/* Edit dropdown — follows .dropdown pattern from design-system.css */
#edit-dropdown {
  display: none;
  position: absolute;
  top: 100%; right: 0;
  min-width: 240px;
  background: var(--panel2);
  border: 1px solid var(--accent);
  border-top: none;
  border-radius: 0 0 var(--r-md) var(--r-md);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--bg) 40%, transparent);
  z-index: 600;
}
#edit-dropdown.open { display: block; }

/* Edit menu items — follows .dd-item pattern */
.ed-item {
  display: flex;
  align-items: center;
  padding: 9px 16px;
  cursor: pointer;
  transition: background .1s;
  gap: 10px;
}
.ed-item:hover:not(.ed-disabled) {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--text);
}
.ed-item.ed-disabled { opacity: .3; cursor: default; pointer-events: none; }

.ed-icon {
  width: 18px;
  text-align: center;
  font-size: 14px;
  flex-shrink: 0;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ed-icon .icon { width: 14px; height: 14px; }

.ed-label {
  flex: 1;
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text);
}
.ed-item:hover:not(.ed-disabled) .ed-label { color: var(--accent); }

.ed-kbd {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  background: color-mix(in srgb, var(--text) 6%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 1px 6px;
  white-space: nowrap;
  flex-shrink: 0;
}
.ed-sep   { height: 1px; background: var(--border); margin: 3px 0; }
.ed-section {
  padding: 5px 16px 3px;
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
}


/* ─────────────────────────────────────────────
   SHARED PANEL CHROME
   Extends .panel-title from design-system.css
   ───────────────────────────────────────────── */
.panel-title .icon { width: 14px; height: 14px; opacity: .85; }

/* Purple variant — alias for .panel-title.purple */
.right-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--purple);
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.right-title .icon { width: 14px; height: 14px; opacity: .85; }


/* ─────────────────────────────────────────────
   SHARED CONTROLS
   Extends .panel-section / .panel-row from design-system.css
   ───────────────────────────────────────────── */
.param-sec {
  border-bottom: 1px solid var(--border);
  padding: 10px 10px;
}
.param-sec-title {
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 9px;
}
.ctrl {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.ctrl-lbl {
  font-size: 11px;
  color: var(--muted);
  width: 62px;
  flex-shrink: 0;
}
.ctrl input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 11px; height: 11px;
  background: var(--purple);
  border-radius: 50%;
}
.ctrl-val {
  font-size: 11px;
  color: var(--purple);
  width: 38px;
  text-align: right;
  font-family: var(--mono);
  flex-shrink: 0;
}
.toggle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 7px;
}
.toggle-lbl {
  font-size: 11px;
  color: var(--text);
  flex: 1;
}


/* ─────────────────────────────────────────────
   SHAPE PILLS
   Prefer .btn-pill from design-system.css; .spill kept for legacy markup
   ───────────────────────────────────────────── */
.shape-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}
.spill {
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  cursor: pointer;
  border-radius: var(--r-sm);
  transition: all .12s;
}
.spill:hover { border-color: var(--accent); color: var(--accent); }
.spill.active {
  border-color: var(--purple);
  color: var(--purple);
  background: color-mix(in srgb, var(--purple) 10%, transparent);
}


/* ─────────────────────────────────────────────
   LEGACY .btn
   Prefer .btn-action / .btn-ghost / .btn-pill from design-system.css.
   .btn kept for existing markup that hasn't migrated.
   ───────────────────────────────────────────── */
.btn {
  width: 100%;
  padding: 8px 10px;
  background: transparent;
  border: 1px solid var(--btn-c,--border);
  color: var(--btn-c,--muted);
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: var(--r-sm);
  margin: 3px 0;
  transition: all .15s;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}
.btn .icon { width: 13px; height: 13px; opacity: .8; }
.btn:hover .icon { opacity: 1; }
.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}
.btn.accent {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.btn.accent:hover { background: color-mix(in srgb, var(--accent) 18%, transparent); }

.btn.accent2 {
  border-color: var(--accent2);
  color: var(--accent2);
  background: color-mix(in srgb, var(--accent2) 8%, transparent);
}
.btn.accent2:hover { background: color-mix(in srgb, var(--accent2) 18%, transparent); }
.btn.green {
  border-color: var(--green);
  color: var(--green);
  background: color-mix(in srgb, var(--green) 6%, transparent);
}
.btn.green:hover { background: color-mix(in srgb, var(--green) 16%, transparent); }
.btn.purple {
  border-color: var(--purple);
  color: var(--purple);
  background: color-mix(in srgb, var(--purple) 6%, transparent);
}
.btn.purple:hover { background: color-mix(in srgb, var(--purple) 16%, transparent); }


/* ─────────────────────────────────────────────
   LIBRARY PANEL — icon extensions
   .lib-section, .lib-title, .lib-grid, .lib-item, .lib-item-name,
   .lib-item-footer, .lib-source-badge, .lib-item-del, .lib-empty
   are defined in design-system.css
   ───────────────────────────────────────────── */
.lib-item-del .icon { width: 11px; height: 11px; }


/* ─────────────────────────────────────────────
   TOAST — legacy ID selector
   Prefer .toast from design-system.css.
   #sf-toast kept for existing markup.
   ───────────────────────────────────────────── */
#sf-toast {
  position: fixed;
  bottom: 40px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--panel2);
  border: 1px solid var(--accent);
  color: var(--text);
  font-size: 11px;
  padding: 7px 16px;
  border-radius: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 999;
  letter-spacing: .5px;
}
#sf-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#sf-toast.error { border-color: var(--red); color: var(--red); }


/* ─────────────────────────────────────────────
   CONTEXT MENU — legacy ID selector
   Prefer .ctx-menu from design-system.css.
   #sf-ctx kept for existing markup.
   ───────────────────────────────────────────── */
#sf-ctx {
  display: none;
  position: fixed;
  z-index: 900;
  background: var(--panel2);
  border: 1px solid var(--accent);
  border-radius: var(--r-md);
  min-width: 160px;
  box-shadow: 0 4px 20px color-mix(in srgb, var(--bg) 70%, transparent);
}
#sf-ctx.open { display: block; }


/* ─────────────────────────────────────────────
   LIBRARY CONTEXT MENU — legacy ID selector
   Prefer .ctx-menu / .ctx-menu-header from design-system.css.
   ───────────────────────────────────────────── */
#lib-ctx {
  display: none;
  position: fixed;
  z-index: 910;
  background: var(--panel2);
  border: 1px solid var(--accent);
  border-radius: var(--r-md);
  min-width: 180px;
  box-shadow: 0 8px 32px color-mix(in srgb, var(--bg) 70%, transparent);
  overflow: hidden;
}
#lib-ctx.open { display: block; }
.lib-ctx-header {
  padding: 8px 14px 6px;
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}


/* ─────────────────────────────────────────────
   LIBRARY DELETE CONFIRM — legacy ID selector
   Prefer .modal-overlay / .modal-box from design-system.css.
   ───────────────────────────────────────────── */
#lib-confirm-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  align-items: center;
  justify-content: center;
}
#lib-confirm-overlay.open { display: flex; }
#lib-confirm-box {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 26px;
  max-width: 340px;
  box-shadow: 0 12px 40px color-mix(in srgb, var(--bg) 70%, transparent);
}
#lib-confirm-title {
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
#lib-confirm-title .icon { width: 14px; height: 14px; }
#lib-confirm-msg {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 18px;
}
#lib-confirm-btns { display: flex; gap: 8px; justify-content: flex-end; }
#lib-confirm-cancel,
#lib-confirm-ok {
  padding: 7px 18px;
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all .15s;
  border: 1px solid;
  background: transparent;
}
#lib-confirm-cancel { border-color: var(--border); color: var(--muted); }
#lib-confirm-cancel:hover { border-color: var(--text-dim); color: var(--text); }
#lib-confirm-ok { border-color: var(--red); color: var(--red); }
#lib-confirm-ok:hover { background: color-mix(in srgb, var(--red) 15%, transparent); }