/* ============================================================
   CALICO KIT — flat OSX UI primitives (Yosemite / El Capitan era)
   One stylesheet: design variables, window chrome, form pieces.
   Drop into any page:  <link rel="stylesheet" href="calico-kit.css">
   ============================================================ */

:root {
  /* ---- Selection / accent ---- */
  --cal-select:             rgba(197, 64, 113, 0.22);

  /* ---- Cool greys / chrome ---- */
  --cal-ink:         #26303b;
  --cal-ink-soft:    #5a616b;
  --cal-ink-faint:   #90969d;
  --cal-line:        #97a1ad;
  --cal-line-soft:   #cfd6de;

  --cal-font: 'Lucida Grande','Lucida Sans Unicode','Segoe UI',sans-serif;

  /* ---- Flat surfaces ---- */
  --cal-flat-titlebar-bg:     #f6f6f6;
  --cal-flat-toolbar-bg:      #f5f5f7;
  --cal-flat-sidebar-bg:      #ececee;
  --cal-flat-line:            #d1d1d6;
  --cal-flat-line-soft:       #e5e5ea;
  --cal-flat-title-ink:       #1d1d1f;
  --cal-flat-title-muted:     #8e8e93;
  --cal-flat-close:           #ff5f57;
  --cal-flat-min:             #febc2e;
  --cal-flat-zoom:            #28c840;
  --cal-flat-light-border:    rgba(0, 0, 0, 0.18);
  --cal-flat-light-size:      11px;
  --cal-flat-light-gap:       6px;
  --cal-flat-control-bg:      #fff;
  --cal-flat-control-border:  #c7c7cc;
  --cal-flat-control-inset:   inset 0 1px 0 rgba(255, 255, 255, 0.85),
                              inset 0 -1px 0 rgba(0, 0, 0, 0.05);
  --cal-flat-control-height:  24px;
  --cal-flat-toolbar-height:  40px;
  --cal-flat-body-font:       'Helvetica Neue', Helvetica, 'Segoe UI', sans-serif;
  --cal-flat-body-size:       18px;
  --cal-flat-body-ink:        #000;
  --cal-flat-inactive-titlebar: #ececee;
  --cal-flat-inactive-light:  #d1d1d6;
  --cal-flat-inactive-title:  #aeaeb2;
  --cal-flat-shadow-win:      0 22px 56px rgba(0, 0, 0, 0.38),
                              0 6px 16px rgba(0, 0, 0, 0.22);
  --cal-flat-radius-win:      8px;
  --cal-flat-radius:          4px;
  --cal-flat-radius-lg:       6px;
  --cal-flat-hover:           #ececef;
  --cal-flat-active-fill:     linear-gradient(180deg, #dfe1e6, #c7c7cc);
  --cal-flat-disabled-op:     0.4;

  /* Berry accent */
  --cal-flat-accent:          #c54071;
  --cal-flat-accent-hi:       #d66690;
  --cal-flat-highlight-wash:  rgba(197, 64, 113, 0.16);
  --cal-flat-focus-ring:      0 0 0 3px rgba(197, 64, 113, 0.35);

  /* Dialog accents */
  --cal-flat-dialog-info-bg:  #e7f7f2;
  --cal-flat-dialog-info-ink: #3f9a7f;
  --cal-flat-dialog-warn-bg:  #faf1e0;
  --cal-flat-dialog-warn-ink: #b8842a;
  --cal-flat-dialog-error-bg: #fbeae5;
  --cal-flat-dialog-error-ink:#c9714f;
}

::selection { background: rgba(197, 64, 113, 0.25); }
::-moz-selection { background: rgba(197, 64, 113, 0.25); }

* { scrollbar-width: thin; scrollbar-color: rgba(0,0,0,0.28) transparent; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background-color: rgba(0,0,0,0.28); border-radius: 8px;
  border: 2px solid transparent; background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background-color: rgba(0,0,0,0.45); background-clip: padding-box; }
::-webkit-scrollbar-corner { background: transparent; }

/* ============================================================ WINDOW ============================================================ */
.cal-window {
  font-family: var(--cal-flat-body-font);
  -webkit-font-smoothing: antialiased;
  color: var(--cal-ink);
  border-radius: var(--cal-flat-radius-win);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,.22);
  box-shadow: var(--cal-flat-shadow-win);
  background: #fff;
}

.cal-titlebar {
  position: relative;
  height: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  background: var(--cal-flat-titlebar-bg);
  border-bottom: 1px solid var(--cal-flat-line);
}

.cal-lights {
  display: flex;
  gap: var(--cal-flat-light-gap);
}

.cal-light {
  width: var(--cal-flat-light-size);
  height: var(--cal-flat-light-size);
  border-radius: 50%;
  box-shadow: none;
  border: 0.5px solid var(--cal-flat-light-border);
}
.cal-light.close { background: var(--cal-flat-close); }
.cal-light.min   { background: var(--cal-flat-min);   }
.cal-light.zoom  { background: var(--cal-flat-zoom);  }

.cal-lights--minimal .cal-light.min,
.cal-lights--minimal .cal-light.zoom {
  background: #e8d4dc;
  border-color: rgba(0, 0, 0, 0.08);
}
.cal-lights--minimal .cal-light:disabled {
  opacity: 1;
  cursor: default;
}

.cal-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  flex: none;
  width: max-content;
  max-width: calc(100% - 72px);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--cal-flat-title-ink);
  pointer-events: none;
}

.cal-title__suffix {
  font-weight: 400;
  color: var(--cal-flat-title-muted);
}

.cal-window.is-inactive { box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28); }
.cal-window.is-inactive .cal-titlebar {
  background: var(--cal-flat-inactive-titlebar);
  border-bottom-color: var(--cal-flat-line);
}
.cal-window.is-inactive .cal-title { color: var(--cal-flat-inactive-title); }
.cal-window.is-inactive .cal-title__suffix { color: #c7c7cc; }
.cal-window.is-inactive .cal-light {
  background: var(--cal-flat-inactive-light);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: none;
}

.cal-toolbar {
  min-height: var(--cal-flat-toolbar-height);
  height: var(--cal-flat-toolbar-height);
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 8px;
  background: var(--cal-flat-toolbar-bg);
  border-bottom: 1px solid var(--cal-flat-line);
  overflow-x: auto;
  overflow-y: hidden;
}

.cal-toolbar__inner {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: min-content;
  height: 100%;
}

.cal-toolbar__group {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.cal-toolbar__divider {
  width: 1px;
  height: 20px;
  margin: 0 2px;
  background: var(--cal-flat-line-soft);
  flex-shrink: 0;
}

.cal-body { background: #fff; padding: 0; }
.cal-body.plain { background: #fff; }

.cal-sidebar {
  background: var(--cal-flat-sidebar-bg);
  border-right: 1px solid var(--cal-flat-line);
  padding: 9px 0;
}
.cal-sidebar-label {
  font-size: 9.5px;
  font-weight: 700;
  color: #7c8694;
  padding: 0 11px 3px;
}
.cal-sidebar-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 3px 11px;
  font-size: 11.5px;
  color: var(--cal-ink);
  cursor: default;
}
.cal-sidebar-item.is-selected {
  background: var(--cal-select);
  color: var(--cal-ink);
  font-weight: 600;
}

/* ============================================================ BUTTONS ============================================================ */
.cal-btn, .cal-flat-btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 28px; padding: 0 16px;
  font-family: var(--cal-flat-body-font); font-size: 13px; font-weight: 400;
  color: var(--cal-flat-title-ink);
  background: var(--cal-flat-control-bg);
  border: 1px solid var(--cal-flat-control-border);
  border-radius: var(--cal-flat-radius);
  box-shadow: var(--cal-flat-control-inset);
  cursor: default; user-select: none; white-space: nowrap;
}
.cal-btn:hover, .cal-flat-btn:hover { background: var(--cal-flat-hover); }
.cal-btn:active, .cal-flat-btn:active { background: var(--cal-flat-active-fill); }
.cal-btn:focus-visible, .cal-flat-btn:focus-visible {
  outline: none; box-shadow: var(--cal-flat-control-inset), var(--cal-flat-focus-ring);
}
.cal-btn:disabled, .cal-btn.is-disabled,
.cal-flat-btn:disabled, .cal-flat-btn.is-disabled { opacity: var(--cal-flat-disabled-op); pointer-events: none; }

.cal-btn.primary, .cal-flat-btn--primary {
  color: #fff; font-weight: 500; border-color: transparent;
  background: linear-gradient(180deg, var(--cal-flat-accent-hi), var(--cal-flat-accent));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 1px 1px rgba(0,0,0,.12);
}
.cal-btn.primary:hover, .cal-flat-btn--primary:hover { background: linear-gradient(180deg, #d66690, #a8355f); }
.cal-btn.primary:active, .cal-flat-btn--primary:active { background: linear-gradient(180deg, #c54071, #8f2d52); }

/* ============================================================ FORM FIELDS ============================================================ */
.cal-field { display: flex; flex-direction: column; gap: 4px; }
.cal-field > label { font-size: 11px; font-weight: 600; color: var(--cal-ink-soft); }

.cal-input, .cal-select, .cal-textarea {
  font-family: var(--cal-flat-body-font); font-size: 13px; color: var(--cal-ink);
  background: var(--cal-flat-control-bg);
  border: 1px solid var(--cal-flat-control-border);
  box-shadow: var(--cal-flat-control-inset);
  border-radius: var(--cal-flat-radius);
  outline: none;
}
.cal-input, .cal-select {
  height: var(--cal-flat-control-height);
  padding: 0 10px;
}
.cal-textarea { padding: 8px 10px; resize: vertical; }
.cal-input::placeholder, .cal-textarea::placeholder { color: #a8adb4; }
.cal-input:focus, .cal-select:focus, .cal-textarea:focus {
  border-color: var(--cal-flat-accent);
  box-shadow: var(--cal-flat-control-inset), var(--cal-flat-focus-ring);
}

.cal-search {
  height: var(--cal-flat-control-height);
  border-radius: var(--cal-flat-radius);
  padding: 0 9px 0 24px;
  position: relative;
  border: 1px solid var(--cal-flat-control-border);
  background:
    radial-gradient(circle at 9px 50%, transparent 3.5px, #a0a6ad 3.5px, #a0a6ad 5px, transparent 5px),
    var(--cal-flat-control-bg);
  box-shadow: var(--cal-flat-control-inset);
}
.cal-search:focus {
  border-color: var(--cal-flat-accent);
  box-shadow: var(--cal-flat-control-inset), var(--cal-flat-focus-ring);
  outline: none;
}

.cal-check { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; color: var(--cal-ink); cursor: pointer; }
.cal-check input { position: absolute; opacity: 0; }
.cal-check .box {
  width: 14px; height: 14px; border-radius: var(--cal-flat-radius);
  border: 1px solid var(--cal-flat-control-border);
  background: var(--cal-flat-control-bg);
  box-shadow: var(--cal-flat-control-inset);
  display: inline-flex; align-items: center; justify-content: center;
}
.cal-check input:checked + .box {
  background: var(--cal-flat-accent);
  border-color: var(--cal-flat-accent);
  color: #fff; font-size: 10px;
}
.cal-check .box::after { content: "✓"; opacity: 0; }
.cal-check input:checked + .box::after { opacity: 1; }

.cal-toggle {
  width: 40px; height: 20px; border-radius: 10px;
  background: #c6ccd3;
  box-shadow: var(--cal-flat-control-inset);
  position: relative; cursor: pointer; transition: background .15s;
}
.cal-toggle .knob {
  position: absolute; top: 1px; left: 1px; width: 18px; height: 18px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.25);
  transition: left .15s;
}
.cal-toggle.is-on { background: var(--cal-flat-accent); }
.cal-toggle.is-on .knob { left: 21px; }

/* ============================================================ FLAT TOOLBAR CONTROLS ============================================================ */
.cal-flat-control {
  display: inline-flex;
  align-items: center;
  height: var(--cal-flat-control-height);
  border: 1px solid var(--cal-flat-control-border);
  border-radius: var(--cal-flat-radius);
  background: var(--cal-flat-control-bg);
  box-shadow: var(--cal-flat-control-inset);
  color: var(--cal-flat-title-ink);
  font-family: var(--cal-flat-body-font);
  font-size: 11px;
  line-height: 1;
  white-space: nowrap;
  user-select: none;
}

.cal-flat-dropdown,
.cal-flat-select {
  gap: 4px;
  padding: 0 6px 0 8px;
  cursor: default;
}

.cal-flat-dropdown__label,
.cal-flat-select__label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.cal-flat-dropdown__chevron,
.cal-flat-select__chevron {
  flex-shrink: 0;
  font-size: 8px;
  color: #636366;
  line-height: 1;
}

.cal-flat-dropdown--icon {
  min-width: 28px;
  justify-content: center;
  padding: 0;
}

.cal-flat-dropdown--icon .cal-flat-dropdown__glyph {
  font-size: 12px;
  color: #3a3a3c;
  line-height: 1;
}

.cal-flat-stepper {
  padding: 0;
  overflow: hidden;
}

.cal-flat-stepper__value {
  min-width: 24px;
  padding: 0 6px;
  text-align: center;
  border-right: 1px solid var(--cal-flat-line-soft);
}

.cal-flat-stepper__btns {
  display: flex;
  flex-direction: column;
  width: 16px;
  height: 100%;
  border-left: 1px solid var(--cal-flat-line-soft);
}

.cal-flat-stepper__btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  background: linear-gradient(180deg, #fafafa, #ececef);
  color: #636366;
  font-size: 7px;
  line-height: 1;
  cursor: default;
}

.cal-flat-stepper__btn + .cal-flat-stepper__btn {
  border-top: 1px solid var(--cal-flat-line-soft);
}

.cal-flat-stepper__btn:active {
  background: #dfe1e6;
}

.cal-flat-swatch {
  width: 28px;
  min-width: 28px;
  padding: 0;
  justify-content: center;
  cursor: default;
}

.cal-flat-swatch__chip {
  width: 14px;
  height: 14px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 2px;
  background: #000;
}

.cal-flat-swatch--highlight {
  position: relative;
}

.cal-flat-swatch--highlight .cal-flat-swatch__chip {
  background: #fff;
}

.cal-flat-swatch--highlight .cal-flat-swatch__chip::after {
  content: "A";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: #000;
}

.cal-flat-swatch--highlight .cal-flat-swatch__underline {
  position: absolute;
  left: 7px;
  right: 7px;
  bottom: 5px;
  height: 2px;
  background: #ff3b30;
  border-radius: 1px;
}

.cal-flat-segment {
  display: inline-flex;
  align-items: stretch;
  height: var(--cal-flat-control-height);
  border: 1px solid var(--cal-flat-control-border);
  border-radius: var(--cal-flat-radius);
  overflow: hidden;
  background: var(--cal-flat-control-bg);
  box-shadow: var(--cal-flat-control-inset);
}

.cal-flat-segment__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 100%;
  padding: 0 6px;
  border: none;
  border-right: 1px solid var(--cal-flat-line-soft);
  background: transparent;
  color: #3a3a3c;
  font-family: var(--cal-flat-body-font);
  font-size: 12px;
  line-height: 1;
  cursor: default;
}

.cal-flat-segment__btn:last-child {
  border-right: none;
}

.cal-flat-segment__btn.is-active,
.cal-flat-segment__btn:active {
  background: var(--cal-flat-active-fill);
}

.cal-flat-segment__btn--bold {
  font-weight: 700;
}

.cal-flat-segment__btn--italic {
  font-style: italic;
}

.cal-flat-segment__btn--underline {
  text-decoration: underline;
}

.cal-flat-segment__btn--align {
  font-size: 11px;
}

.cal-flat-doc {
  padding: 20px 24px;
  font-family: var(--cal-flat-body-font);
  font-size: var(--cal-flat-body-size);
  line-height: 1.45;
  color: var(--cal-flat-body-ink);
}

.cal-flat-doc p {
  margin: 0 0 0.65em;
}

.cal-flat-doc p:last-child {
  margin-bottom: 0;
}

/* Menubar highlight (kit-level; live site uses .desktop-menubar__item) */
.cal-flat-menubar__item:hover,
.cal-flat-menubar__item.is-active,
.cal-flat-menubar__status:hover {
  background: var(--cal-flat-highlight-wash);
  color: var(--cal-flat-menubar-ink, var(--cal-flat-title-ink));
}

/* ============================================================ DIALOG ============================================================ */
.cal-flat-dialog {
  display: flex; flex-direction: column; gap: 18px; width: min(380px, 100%);
  padding: 24px 24px 20px; background: #fff; border: 1px solid var(--cal-flat-line);
  border-radius: var(--cal-flat-radius-lg); box-shadow: var(--cal-flat-shadow-win);
  font-family: var(--cal-flat-body-font);
}
.cal-flat-dialog__top { display: flex; gap: 14px; align-items: flex-start; }
.cal-flat-dialog__icon {
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--cal-flat-dialog-warn-bg); color: var(--cal-flat-dialog-warn-ink);
  font-size: 18px; font-weight: 700;
}
.cal-flat-dialog__icon--info { background: var(--cal-flat-dialog-info-bg); color: var(--cal-flat-dialog-info-ink); }
.cal-flat-dialog__icon--warning { background: var(--cal-flat-dialog-warn-bg); color: var(--cal-flat-dialog-warn-ink); }
.cal-flat-dialog__icon--error { background: var(--cal-flat-dialog-error-bg); color: var(--cal-flat-dialog-error-ink); }
.cal-flat-dialog__content { min-width: 0; }
.cal-flat-dialog__title { margin: 0 0 4px; font-size: 14px; font-weight: 700; color: var(--cal-flat-title-ink); }
.cal-flat-dialog__message { margin: 0; font-size: 12.5px; line-height: 1.5; color: #5a616b; }
.cal-flat-dialog__actions { display: flex; justify-content: flex-end; gap: 8px; }

/* ============================================================ ABOUT PANEL ============================================================ */
.cal-flat-about {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 8px 4px 4px;
}
.cal-flat-about__icon {
  display: flex; align-items: center; justify-content: center;
  width: 96px; height: 96px; border-radius: var(--cal-flat-radius-lg);
  background: var(--cal-flat-titlebar-bg); color: var(--cal-flat-close);
  font-size: 40px; margin-bottom: 12px;
}
.cal-flat-about__name { margin: 0; font-size: 17px; font-weight: 700; color: var(--cal-flat-title-ink); }
.cal-flat-about__tagline { margin: 2px 0 16px; font-size: 12px; color: var(--cal-flat-title-muted); }
.cal-flat-about__divider { width: 100%; height: 1px; background: var(--cal-flat-line); margin: 0 0 14px; }
.cal-flat-about__specs {
  display: inline-grid;
  grid-template-columns: max-content max-content;
  column-gap: 18px;
  row-gap: 7px;
  margin: 0 auto 16px;
  font-size: 12px;
}
.cal-flat-about__spec { display: contents; }
.cal-flat-about__spec dt {
  text-align: right;
  margin: 0;
  color: var(--cal-flat-title-muted);
  font-weight: 400;
}
.cal-flat-about__spec dd {
  text-align: left;
  margin: 0;
  color: var(--cal-flat-title-ink);
  font-weight: 600;
}
.cal-flat-about__copyright { margin: 0; font-size: 10.5px; color: var(--cal-flat-title-muted); }

/* ============================================================ ICONS ============================================================ */
.bi-icon {
  display: block;
  fill: currentColor;
}