/* Zyper shared components. The best version of each component found across the
   Zyper apps, on the --zf-* tokens. Source per component:
   scrollbar, toast deck, joined rows, switch press, tooltip warm-up: AIO desktop
   buttons, inputs, menus, modals, empty states, skeletons: Fleet
   motion curves: Ranger (the kit's --zf-ease-*)   tables: Docs   checkbox: Admin (neutral fill)
   segmented control: homepage track + Ranger glide   focus ring: one rule for every app
   Apps map the tokens onto their own names, as with frame.css. */
:root {
  --zf-r-sm: 6px;
  --zf-r: 9px;
  --zf-r-lg: 14px;
  --zf-field: rgba(255,255,255,.03);
  --zf-fill: rgba(255,255,255,.06);
  --zf-fill-hi: rgba(255,255,255,.1);
  --zf-selected: rgba(255,255,255,.06);
  --zf-primary: #fafafa;
  --zf-primary-text: #0a0a0a;
  --zf-scroll-thumb: rgba(255,255,255,.16);
  --zf-scroll-thumb-hover: rgba(255,255,255,.3);
  --zf-focus: rgba(254,202,154,.75);
  --zf-field-focus: rgba(254,202,154,.46);
  --zf-field-ring: rgba(254,202,154,.11);
  --zf-shadow-menu: 0 24px 60px rgba(0,0,0,.45);
  --zf-shadow-modal: 0 28px 80px rgba(0,0,0,.6);
  --zf-panel: rgba(18,18,22,.72);
}

/* Scrollbars: invisible until the pointer is over the scroll area; a 4px thumb in a 10px gutter
   that widens to 6px when grabbed. Firefox gets the thin native bar with the same colours. */
* { scrollbar-width: thin; scrollbar-color: transparent transparent; }
*:hover { scrollbar-color: var(--zf-scroll-thumb) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track, ::-webkit-scrollbar-corner { background: transparent; }
::-webkit-scrollbar-thumb { background: transparent; border: 3px solid transparent; background-clip: padding-box; border-radius: 999px; }
:hover::-webkit-scrollbar-thumb { background-color: var(--zf-scroll-thumb); }
::-webkit-scrollbar-thumb:hover { background-color: var(--zf-scroll-thumb-hover); border-width: 2px; }
/* Chromium 121+ uses scrollbar-color over ::-webkit-scrollbar when both are set; keep the webkit
   look (gutter + grow) there and let Firefox read the standard properties. */
@supports selector(::-webkit-scrollbar) { * , *:hover { scrollbar-color: auto; scrollbar-width: auto; } }

/* Focus: one ring everywhere, keyboard only. Fields add their own soft ring. */
:focus-visible { outline: 2px solid var(--zf-focus); outline-offset: 2px; }
:focus:not(:focus-visible) { outline: none; }

/* Buttons */
.zf-btn {
  --b-bg: var(--zf-fill); --b-border: var(--zf-border-hi); --b-text: var(--zf-text);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: var(--zf-control-h); padding: 0 14px; border-radius: var(--zf-r);
  border: 1px solid var(--b-border); background: var(--b-bg); color: var(--b-text);
  font: 500 var(--zf-text-body)/1 var(--zf-font); white-space: nowrap; cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
  transition: background-color var(--zf-dur-moderate) var(--zf-ease-fast), border-color var(--zf-dur-moderate) var(--zf-ease-fast),
    color var(--zf-dur-moderate) var(--zf-ease-fast), box-shadow var(--zf-dur-moderate) var(--zf-ease-fast), transform var(--zf-dur-fast) var(--zf-ease-fast);
}
.zf-btn:hover { --b-bg: var(--zf-fill-hi); --b-border: rgba(255,255,255,.22); }
.zf-btn:active { transform: scale(.97); }
.zf-btn[disabled], .zf-btn[aria-disabled="true"] { opacity: .4; pointer-events: none; }
.zf-btn.is-primary { --b-bg: var(--zf-primary); --b-border: transparent; --b-text: var(--zf-primary-text); font-weight: 600; box-shadow: none; }
.zf-btn.is-primary:hover { --b-bg: #fff; box-shadow: 0 6px 28px -10px rgba(255,255,255,.35); }
.zf-btn.is-ghost { --b-bg: transparent; --b-border: transparent; --b-text: var(--zf-dim); box-shadow: none; }
.zf-btn.is-ghost:hover { --b-bg: var(--zf-hover); --b-text: var(--zf-text); }
.zf-btn.is-danger { --b-bg: rgba(255,89,89,.06); --b-border: rgba(255,89,89,.24); --b-text: var(--zf-danger-text, #ff8a8a); }
.zf-btn.is-danger:hover { --b-bg: rgba(255,89,89,.12); --b-border: rgba(255,89,89,.45); }
.zf-btn.is-compact { height: var(--zf-control-h-compact); padding: 0 10px; font-size: var(--zf-text-caption); border-radius: 7px; }
.zf-btn.is-icon { width: var(--zf-control-h); padding: 0; }
.zf-btn.is-icon.is-compact { width: var(--zf-control-h-compact); }
.zf-btn.is-icon:active { transform: scale(.92); }
.zf-btn svg { width: 16px; height: 16px; flex: none; }
/* Busy keeps the button's width: the label fades and a ring spins in its place. */
.zf-btn.is-busy { position: relative; color: transparent; pointer-events: none; }
.zf-btn.is-busy::after { content: ""; position: absolute; width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid currentColor; border-color: var(--b-text) transparent var(--b-text) var(--b-text); opacity: .8; animation: zf-spin .7s linear infinite; }
.zf-btn.is-busy > * { visibility: hidden; }
@keyframes zf-spin { to { transform: rotate(360deg); } }

/* Fields */
.zf-input, .zf-select, .zf-textarea {
  width: 100%; height: var(--zf-control-h); padding: 0 11px; border-radius: var(--zf-r);
  border: 1px solid var(--zf-border); background: var(--zf-field); color: var(--zf-text);
  font: var(--zf-text-body)/var(--zf-leading-body) var(--zf-font);
  transition: border-color var(--zf-dur-moderate) var(--zf-ease-fast), box-shadow var(--zf-dur-moderate) var(--zf-ease-fast), background-color var(--zf-dur-moderate) var(--zf-ease-fast);
}
.zf-textarea { height: auto; min-height: 76px; padding: 8px 11px; resize: vertical; }
.zf-input::placeholder, .zf-textarea::placeholder { color: var(--zf-muted); opacity: .8; }
.zf-input:hover, .zf-select:hover, .zf-textarea:hover { border-color: var(--zf-border-hi); }
.zf-input:focus, .zf-select:focus, .zf-textarea:focus { outline: none; border-color: var(--zf-field-focus); box-shadow: 0 0 0 3px var(--zf-field-ring); }
.zf-input[disabled], .zf-select[disabled] { opacity: .5; cursor: not-allowed; }
.zf-input[aria-invalid="true"] { border-color: rgba(255,89,89,.5); box-shadow: 0 0 0 3px rgba(255,89,89,.1); }
.zf-select { appearance: none; padding-right: 32px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23a1a1aa' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m3 4.5 3 3 3-3'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 11px center; }
.zf-select option { background: var(--zf-menu-bg); color: var(--zf-text); }
.zf-label { display: block; margin-bottom: 6px; font-size: var(--zf-text-caption); color: var(--zf-dim); }
.zf-hint { margin-top: 6px; font-size: var(--zf-text-micro); color: var(--zf-muted); }

/* Styled select: components.js wraps each select.zf-select in .zf-selectbox, hides the native
   control and shows a button + listbox. The button keeps the field look above. */
.zf-selectbox { position: relative; width: 100%; }
.zf-selectbox.is-open { z-index: 45; }
.zf-select-native { position: absolute !important; inset: 0; width: 100% !important; height: 100% !important; opacity: 0; pointer-events: none; }
button.zf-select { display: flex; align-items: center; text-align: left; }
.zf-select-value { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zf-select-value.is-placeholder { color: var(--zf-muted); }
.zf-selectbox.is-open button.zf-select { border-color: var(--zf-field-focus); box-shadow: 0 0 0 3px var(--zf-field-ring); }
.zf-selectbox button.zf-select { background-size: 12px; transition: border-color var(--zf-dur-moderate) var(--zf-ease-fast), box-shadow var(--zf-dur-moderate) var(--zf-ease-fast); }
.zf-listbox { top: calc(100% + 6px); left: 0; right: 0; min-width: 0; max-height: 280px; overflow: auto; overscroll-behavior: contain; --zf-origin: top center; }
.zf-selectbox.is-up .zf-listbox { top: auto; bottom: calc(100% + 6px); --zf-origin: bottom center; }
.zf-option { cursor: default; }
.zf-option span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zf-option svg { width: 14px; height: 14px; color: var(--zf-text); opacity: 0; transform: scale(.6); transition: opacity var(--zf-dur-fast), transform var(--zf-dur-moderate) var(--zf-ease-spring); }
.zf-option[aria-selected="true"] { font-weight: 500; }
.zf-option[aria-selected="true"] svg { opacity: 1; transform: none; }
.zf-option:hover { background: none; }
.zf-option.is-active { background: var(--zf-hover); }
.zf-option[aria-disabled="true"] { opacity: .4; }
.zf-menu-label { padding: 8px 10px 4px; color: var(--zf-muted); font: 500 var(--zf-text-micro)/1 var(--zf-font); letter-spacing: .08em; text-transform: uppercase; }

/* Date picker: components.js swaps type=date / datetime-local for a text field + calendar button,
   and opens this calendar instead of the browser's. */
.zf-datebox { position: relative; width: 100%; }
.zf-datebox.is-open { z-index: 45; }
.zf-date-field { padding-right: 38px; font-family: var(--zf-mono); }
.zf-datebox.is-open .zf-date-field { border-color: var(--zf-field-focus); box-shadow: 0 0 0 3px var(--zf-field-ring); }
.zf-date-btn { position: absolute; top: 50%; right: 4px; display: grid; place-items: center; width: 28px; height: 26px; transform: translateY(-50%); border: 0; border-radius: 6px;
  background: none; color: var(--zf-dim); cursor: pointer; transition: background-color var(--zf-dur-fast) var(--zf-ease-fast), color var(--zf-dur-fast) var(--zf-ease-fast); }
.zf-date-btn:hover, .zf-datebox.is-open .zf-date-btn { background: var(--zf-hover); color: var(--zf-text); }
.zf-date-btn:active { transform: translateY(-50%) scale(.92); }
.zf-date-btn svg { width: 15px; height: 15px; }
.zf-date-btn[disabled] { opacity: .4; pointer-events: none; }
.zf-cal { top: calc(100% + 6px); left: 0; width: 284px; min-width: 0; padding: 10px; --zf-origin: top left; }
.zf-datebox.is-right .zf-cal { left: auto; right: 0; --zf-origin: top right; }
.zf-datebox.is-up .zf-cal { top: auto; bottom: calc(100% + 6px); --zf-origin: bottom left; }
.zf-datebox.is-up.is-right .zf-cal { --zf-origin: bottom right; }
.zf-cal-head { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
.zf-cal-title { flex: 1; text-align: center; font: 600 var(--zf-text-body)/1 var(--zf-font); }
.zf-cal-nav { display: grid; place-items: center; width: 28px; height: 28px; border: 0; border-radius: 7px; background: none; color: var(--zf-dim); cursor: pointer;
  transition: background-color var(--zf-dur-fast) var(--zf-ease-fast), color var(--zf-dur-fast) var(--zf-ease-fast), transform var(--zf-dur-fast) var(--zf-ease-fast); }
.zf-cal-nav:hover { background: var(--zf-hover); color: var(--zf-text); }
.zf-cal-nav:active { transform: scale(.9); }
.zf-cal-nav svg { width: 14px; height: 14px; }
.zf-cal-row { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.zf-cal-grid { display: grid; gap: 2px; }
.zf-cal-dow span { display: grid; place-items: center; height: 26px; color: var(--zf-muted); font: 500 var(--zf-text-micro)/1 var(--zf-font); }
.zf-cal-day { position: relative; height: 34px; border: 0; border-radius: 8px; background: none; color: var(--zf-text); font: var(--zf-text-body)/1 var(--zf-mono); cursor: pointer;
  transition: background-color var(--zf-dur-fast) var(--zf-ease-fast), color var(--zf-dur-fast) var(--zf-ease-fast), transform var(--zf-dur-fast) var(--zf-ease-fast); }
.zf-cal-day:hover { background: var(--zf-hover); }
.zf-cal-day:active { transform: scale(.92); }
.zf-cal-day.is-out { color: var(--zf-muted); opacity: .55; }
.zf-cal-day.is-today::after { content: ""; position: absolute; left: 50%; bottom: 5px; width: 4px; height: 4px; margin-left: -2px; border-radius: 50%; background: var(--zf-accent); }
.zf-cal-day[aria-selected="true"] { background: var(--zf-primary); color: var(--zf-primary-text); font-weight: 600; }
.zf-cal-day[aria-selected="true"].is-today::after { background: var(--zf-primary-text); }
.zf-cal-day[aria-disabled="true"] { opacity: .28; cursor: not-allowed; }
.zf-cal-day[aria-disabled="true"]:hover { background: none; }
.zf-cal-day:focus-visible { outline-offset: 0; }
.zf-cal-time { display: flex; align-items: center; gap: 6px; margin-top: 8px; padding-top: 10px; border-top: 1px solid var(--zf-border); }
.zf-cal-time span { flex: 1; color: var(--zf-dim); font-size: var(--zf-text-caption); }
.zf-cal-time .zf-input { width: 46px; height: var(--zf-control-h-compact); padding: 0; text-align: center; }
.zf-cal-time b { color: var(--zf-muted); font-weight: 500; }
.zf-cal.is-time { width: auto; min-width: 210px; }
.zf-cal.is-time .zf-cal-head, .zf-cal.is-time .zf-cal-grid { display: none; }
.zf-cal.is-time .zf-cal-time { margin-top: 0; padding-top: 0; border-top: 0; }
.zf-cal-foot { display: flex; justify-content: space-between; margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--zf-border); }

/* Every other native control, so nothing shows the browser's own look. */
:root { color-scheme: dark; accent-color: var(--zf-text); }
::selection { background: rgba(254,202,154,.28); color: var(--zf-text); }
.zf-input[type="number"] { -moz-appearance: textfield; appearance: textfield; }
.zf-input[type="number"]::-webkit-inner-spin-button, .zf-input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.zf-input[type="search"]::-webkit-search-decoration { -webkit-appearance: none; }
.zf-input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; width: 14px; height: 14px; cursor: pointer; opacity: .6;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23a1a1aa' stroke-width='1.6' stroke-linecap='round'%3E%3Cpath d='M4 4l8 8M12 4l-8 8'/%3E%3C/svg%3E") center / 14px no-repeat; }
.zf-input[type="search"]::-webkit-search-cancel-button:hover { opacity: 1; }
.zf-input[type="date"], .zf-input[type="time"], .zf-input[type="datetime-local"] { font-family: var(--zf-mono); }
.zf-input::-webkit-calendar-picker-indicator { cursor: pointer; opacity: .55; filter: invert(1); transition: opacity var(--zf-dur-fast); }
.zf-input::-webkit-calendar-picker-indicator:hover { opacity: 1; }
.zf-input::-webkit-datetime-edit-fields-wrapper { padding: 0; }
.zf-input::-webkit-datetime-edit-text { color: var(--zf-muted); }
/* Autofill: keep the field colours instead of the browser's yellow/blue. */
.zf-input:-webkit-autofill, .zf-input:-webkit-autofill:hover, .zf-input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--zf-text); caret-color: var(--zf-text);
  -webkit-box-shadow: 0 0 0 40px var(--zf-autofill, #141417) inset; transition: background-color 9999s; }
.zf-input:-webkit-autofill:focus { -webkit-box-shadow: 0 0 0 40px var(--zf-autofill, #141417) inset, 0 0 0 3px var(--zf-field-ring); }
/* File picker */
.zf-input[type="file"] { height: auto; padding: 4px; color: var(--zf-dim); cursor: pointer; }
.zf-input[type="file"]::file-selector-button { height: calc(var(--zf-control-h) - 10px); margin-right: 10px; padding: 0 12px; border-radius: 7px;
  border: 1px solid var(--zf-border-hi); background: var(--zf-fill); color: var(--zf-text); font: 500 var(--zf-text-caption)/1 var(--zf-font); cursor: pointer;
  transition: background-color var(--zf-dur-moderate) var(--zf-ease-fast); }
.zf-input[type="file"]::file-selector-button:hover { background: var(--zf-fill-hi); }
/* Range slider */
.zf-range { -webkit-appearance: none; appearance: none; width: 100%; height: 18px; margin: 0; background: transparent; cursor: pointer; --p: 50%; }
.zf-range::-webkit-slider-runnable-track { height: 4px; border-radius: 999px; background: linear-gradient(90deg, var(--zf-primary) var(--p), var(--zf-border-hi) var(--p)); }
.zf-range::-moz-range-track { height: 4px; border-radius: 999px; background: rgba(255,255,255,.14); }
.zf-range::-moz-range-progress { height: 4px; border-radius: 999px; background: var(--zf-text); }
.zf-range::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; margin-top: -5px; border-radius: 50%; background: var(--zf-primary); border: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,.4), 0 0 0 0 var(--zf-field-ring); transition: transform var(--zf-dur-moderate) var(--zf-ease-spring), box-shadow var(--zf-dur-moderate); }
.zf-range::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--zf-primary); border: 0; box-shadow: 0 1px 3px rgba(0,0,0,.4); }
.zf-range:hover::-webkit-slider-thumb { box-shadow: 0 1px 3px rgba(0,0,0,.4), 0 0 0 5px var(--zf-field-ring); }
.zf-range:active::-webkit-slider-thumb { transform: scale(1.15); }
.zf-range:focus-visible { outline: none; }
.zf-range:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 2px var(--zf-bg), 0 0 0 4px var(--zf-focus); }
/* Progress and meter */
.zf-progress { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border: 0; border-radius: 999px; overflow: hidden; background: rgba(255,255,255,.08); }
.zf-progress::-webkit-progress-bar { background: rgba(255,255,255,.08); border-radius: 999px; }
.zf-progress::-webkit-progress-value { background: var(--zf-text); border-radius: 999px; transition: width var(--zf-dur-slow) var(--zf-ease-moderate); }
.zf-progress::-moz-progress-bar { background: var(--zf-text); border-radius: 999px; }
.zf-progress:indeterminate { background: linear-gradient(90deg, transparent, var(--zf-text), transparent) rgba(255,255,255,.08); background-size: 40% 100%; background-repeat: no-repeat; animation: zf-indet 1.2s var(--zf-ease-moderate) infinite; }
.zf-progress:indeterminate::-webkit-progress-bar { background: transparent; }
@keyframes zf-indet { from { background-position: -40% 0; } to { background-position: 140% 0; } }
/* Disclosure (details/summary): own chevron, no browser triangle. */
.zf-details { border-radius: var(--zf-r); border: 1px solid var(--zf-border); }
.zf-details > summary { display: flex; align-items: center; gap: 8px; height: var(--zf-control-h); padding: 0 12px; list-style: none; cursor: pointer; color: var(--zf-text); font-weight: 500; }
.zf-details > summary::-webkit-details-marker { display: none; }
.zf-details > summary::after { content: ""; width: 7px; height: 7px; margin-left: auto; border-right: 1.5px solid var(--zf-dim); border-bottom: 1.5px solid var(--zf-dim); transform: translateY(-2px) rotate(45deg); transition: transform var(--zf-dur-moderate) var(--zf-ease-fast); }
.zf-details[open] > summary::after { transform: translateY(1px) rotate(-135deg); }
.zf-details > :not(summary) { padding: 0 12px 12px; color: var(--zf-dim); }

/* Checkbox and radio: neutral (white tick on dark, never an apricot fill). */
.zf-checkbox, .zf-radio {
  appearance: none; flex: none; width: 16px; height: 16px; margin: 0; display: inline-grid; place-content: center;
  border: 1.5px solid rgba(255,255,255,.28); background: rgba(255,255,255,.02); cursor: pointer;
  transition: background-color var(--zf-dur-fast) var(--zf-ease-fast), border-color var(--zf-dur-fast) var(--zf-ease-fast), transform var(--zf-dur-fast) var(--zf-ease-fast);
}
.zf-checkbox { border-radius: 4px; }
.zf-radio { border-radius: 50%; }
.zf-checkbox:hover, .zf-radio:hover { border-color: rgba(255,255,255,.5); }
.zf-checkbox:active, .zf-radio:active { transform: scale(.88); }
.zf-checkbox:checked, .zf-checkbox:indeterminate { background: var(--zf-primary); border-color: var(--zf-primary); }
.zf-checkbox::before { content: ""; width: 10px; height: 10px; transform: scale(0); transition: transform var(--zf-dur-moderate) var(--zf-ease-spring);
  background: var(--zf-primary-text);
  clip-path: polygon(14% 50%, 0 64%, 38% 100%, 100% 24%, 86% 10%, 38% 72%); }
.zf-checkbox:checked::before { transform: scale(1); }
.zf-checkbox:indeterminate::before { clip-path: inset(40% 10% 40% 10% round 2px); transform: scale(1); }
.zf-radio::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--zf-primary-text); transform: scale(0); transition: transform var(--zf-dur-moderate) var(--zf-ease-spring); }
.zf-radio:checked { background: var(--zf-primary); border-color: var(--zf-primary); }
.zf-radio:checked::before { transform: scale(1); }
.zf-checkbox[disabled], .zf-radio[disabled] { opacity: .38; cursor: not-allowed; }
.zf-choice { display: inline-flex; align-items: center; gap: 9px; font-size: var(--zf-text-body); color: var(--zf-text); cursor: pointer; }

/* Switch: the knob stretches while pressed (anywhere on its row), toward the side it's heading. */
.zf-toggle-switch { appearance: none; position: relative; flex: none; width: 32px; height: 18px; margin: 0; border-radius: 999px; cursor: pointer;
  background: rgba(255,255,255,.14); transition: background-color var(--zf-dur-moderate) var(--zf-ease-fast); }
.zf-toggle-switch::before { content: ""; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 999px; background: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,.35); transform-origin: left center;
  transition: transform var(--zf-dur-slow) var(--zf-ease-spring), width var(--zf-dur-moderate) var(--zf-ease-fast); }
.zf-toggle-switch:checked { background: var(--zf-success); }
.zf-toggle-switch:checked::before { transform: translateX(14px); transform-origin: right center; }
.zf-toggle-switch:active::before, .zf-choice:active .zf-toggle-switch::before { width: 18px; }
.zf-toggle-switch:checked:active::before, .zf-choice:active .zf-toggle-switch:checked::before { transform: translateX(10px); }
.zf-toggle-switch[disabled] { opacity: .4; cursor: not-allowed; }

/* Segmented control: a padded track; the selected pill glides between options. */
.zf-seg { position: relative; display: inline-flex; padding: 3px; gap: 2px; border-radius: var(--zf-r); border: 1px solid var(--zf-border); background: rgba(255,255,255,.02); }
.zf-seg button { position: relative; z-index: 1; height: calc(var(--zf-control-h) - 8px); padding: 0 12px; border: 0; border-radius: 6px; background: none;
  color: var(--zf-dim); font: 500 var(--zf-text-caption)/1 var(--zf-font); cursor: pointer; transition: color var(--zf-dur-moderate) var(--zf-ease-fast); }
.zf-seg button:hover { color: var(--zf-text); }
.zf-seg button[aria-pressed="true"] { color: var(--zf-text); }
.zf-seg-pill { position: absolute; top: 3px; left: 0; height: calc(100% - 6px); border-radius: 6px; background: var(--zf-fill-hi);
  box-shadow: 0 1px 0 rgba(255,255,255,.06) inset, 0 4px 14px rgba(0,0,0,.25); transition: transform var(--zf-dur-slow) var(--zf-ease-spring), width var(--zf-dur-slow) var(--zf-ease-spring); }
.zf-seg-pill.jump { transition: none; }

/* Tabs: underline; the 2px apricot line glides. */
.zf-tabs { position: relative; display: flex; gap: 4px; border-bottom: 1px solid var(--zf-border); }
.zf-tabs button { height: 36px; padding: 0 10px; border: 0; background: none; color: var(--zf-dim); font: 500 var(--zf-text-body)/1 var(--zf-font); cursor: pointer; transition: color var(--zf-dur-moderate) var(--zf-ease-fast); }
.zf-tabs button:hover, .zf-tabs button[aria-selected="true"] { color: var(--zf-text); }
.zf-tabs-line { position: absolute; bottom: -1px; left: 0; height: 2px; border-radius: 2px; background: var(--zf-accent); transition: transform var(--zf-dur-slow) var(--zf-ease-spring), width var(--zf-dur-slow) var(--zf-ease-spring); }

/* Menus and popovers: the switcher's menu, for every dropdown. Opens on the spring, closes one tier faster. */
.zf-menu { position: absolute; z-index: 40; min-width: 200px; padding: 6px; border-radius: 12px; border: 1px solid var(--zf-border-hi);
  background: var(--zf-menu-bg); box-shadow: var(--zf-shadow-menu);
  opacity: 0; visibility: hidden; transform: translateY(-4px) scale(.96); transform-origin: var(--zf-origin, top left);
  transition: opacity var(--zf-dur-fast) var(--zf-ease-fast), transform var(--zf-dur-moderate) var(--zf-ease-fast), visibility 0s linear var(--zf-dur-moderate); }
.zf-menu.is-open { opacity: 1; visibility: visible; transform: none;
  transition: opacity var(--zf-dur-moderate) var(--zf-ease-fast), transform var(--zf-dur-slow) var(--zf-ease-spring), visibility 0s; }
.zf-menu-item { display: flex; align-items: center; gap: 10px; width: 100%; height: 32px; padding: 0 10px; border: 0; border-radius: 7px; background: none;
  color: var(--zf-text); font: var(--zf-text-body)/1 var(--zf-font); text-align: left; cursor: pointer; transition: background-color var(--zf-dur-fast) var(--zf-ease-fast); }
.zf-menu-item:hover, .zf-menu-item:focus-visible { background: var(--zf-hover); outline: none; }
.zf-menu-item svg { width: 15px; height: 15px; color: var(--zf-dim); }
.zf-menu-item kbd { margin-left: auto; font: var(--zf-text-micro)/1 var(--zf-mono); color: var(--zf-muted); }
.zf-menu-item.is-danger { color: var(--zf-danger-text, #ff8a8a); }
.zf-menu-item.is-danger:hover { background: rgba(255,89,89,.1); }
.zf-menu-sep { height: 1px; margin: 5px 4px; background: var(--zf-border); }

/* Tooltip: warm-up timing lives in components.js (350ms cold, instant within 300ms of the last one). */
.zf-tooltip { position: fixed; z-index: 60; max-width: 260px; padding: 5px 8px; border-radius: var(--zf-r-sm); pointer-events: none;
  background: var(--zf-primary); color: var(--zf-primary-text); font: 500 var(--zf-text-micro)/var(--zf-leading-micro) var(--zf-font);
  box-shadow: 0 6px 20px rgba(0,0,0,.35); opacity: 0; transform: translateY(3px) scale(.96);
  transition: opacity var(--zf-dur-fast) var(--zf-ease-fast), transform var(--zf-dur-moderate) var(--zf-ease-fast); }
.zf-tooltip.is-on { opacity: 1; transform: none; }
.zf-tooltip.is-instant { transition: none; }

/* Toast deck: newest in front, two peek behind (8px, 5% smaller each), the rest hidden; hover opens it to a list. */
.zf-toast-deck { position: fixed; z-index: 70; right: 20px; bottom: 20px; width: 360px; max-width: calc(100vw - 32px); }
.zf-toast-card { position: absolute; right: 0; bottom: 0; width: 100%; display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--zf-border-hi); background: var(--zf-menu-bg); box-shadow: 0 16px 40px rgba(0,0,0,.4);
  color: var(--zf-text); font: var(--zf-text-body)/var(--zf-leading-body) var(--zf-font); transform-origin: bottom center;
  transition: transform var(--zf-dur-slow) var(--zf-ease-spring), opacity var(--zf-dur-moderate) var(--zf-ease-fast); }
.zf-toast-card b { display: block; font-weight: 600; }
.zf-toast-card span { color: var(--zf-dim); font-size: var(--zf-text-caption); }
.zf-toast-card i { flex: none; width: 8px; height: 8px; margin-top: 6px; border-radius: 50%; background: var(--zf-dim); }
.zf-toast-card.is-success i { background: var(--zf-success); box-shadow: 0 0 0 3px rgba(125,211,160,.15); }
.zf-toast-card.is-error i { background: var(--zf-danger); box-shadow: 0 0 0 3px rgba(255,89,89,.15); }
/* Cards behind the front one read as a stack: a touch lighter, contents hidden. */
.zf-toast-card[data-depth] > * { opacity: 0; transition: opacity var(--zf-dur-fast); }
.zf-toast-card[data-depth="1"] { background: color-mix(in srgb, var(--zf-menu-bg), var(--zf-text) 5%); }
.zf-toast-card[data-depth="2"] { background: color-mix(in srgb, var(--zf-menu-bg), var(--zf-text) 9%); }
.zf-toast-card.is-enter { opacity: 0; transform: translateY(16px) scale(.96) !important; }

/* Modal: native <dialog>; rises and fades in, closes faster. */
.zf-dialog { width: min(460px, calc(100vw - 32px)); padding: 0; border-radius: var(--zf-r-lg); border: 1px solid var(--zf-border-hi);
  background: var(--zf-menu-bg); color: var(--zf-text); box-shadow: var(--zf-shadow-modal);
  opacity: 0; transform: translateY(8px) scale(.97);
  transition: opacity var(--zf-dur-moderate) var(--zf-ease-fast), transform var(--zf-dur-moderate) var(--zf-ease-fast), overlay var(--zf-dur-moderate) allow-discrete, display var(--zf-dur-moderate) allow-discrete; }
.zf-dialog[open] { opacity: 1; transform: none; transition: opacity var(--zf-dur-slow) var(--zf-ease-fast), transform var(--zf-dur-slow) var(--zf-ease-spring), overlay var(--zf-dur-slow) allow-discrete, display var(--zf-dur-slow) allow-discrete; }
@starting-style { .zf-dialog[open] { opacity: 0; transform: translateY(8px) scale(.97); } }
.zf-dialog::backdrop { background: rgba(0,0,0,0); backdrop-filter: blur(0); transition: background-color var(--zf-dur-moderate), backdrop-filter var(--zf-dur-moderate), overlay var(--zf-dur-moderate) allow-discrete, display var(--zf-dur-moderate) allow-discrete; }
.zf-dialog[open]::backdrop { background: rgba(0,0,0,.6); backdrop-filter: blur(6px); }
@starting-style { .zf-dialog[open]::backdrop { background: rgba(0,0,0,0); backdrop-filter: blur(0); } }
.zf-modal-head { padding: 18px 20px 0; font: 600 var(--zf-text-title)/var(--zf-leading-title) var(--zf-font); }
.zf-modal-body { padding: 8px 20px 18px; color: var(--zf-dim); font-size: var(--zf-text-body); line-height: var(--zf-leading-body); }
.zf-modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 20px; border-top: 1px solid var(--zf-border); }

/* Card / panel */
.zf-card { border-radius: var(--zf-r-lg); border: 1px solid var(--zf-border); background: var(--zf-panel);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04), 0 1px 2px rgba(0,0,0,.3), 0 12px 32px -12px rgba(0,0,0,.5); }
.zf-card.is-interactive { cursor: pointer; transition: border-color var(--zf-dur-moderate) var(--zf-ease-fast), transform var(--zf-dur-moderate) var(--zf-ease-fast), box-shadow var(--zf-dur-moderate) var(--zf-ease-fast); }
.zf-card.is-interactive:hover { border-color: var(--zf-border-hi); transform: translateY(-2px); }
.zf-card.is-interactive:active { transform: scale(.99); }

/* Table: the docs table + sticky head + sort heads; selected rows join into one block. */
.zf-table-wrap { overflow: auto; border-radius: 10px; border: 1px solid var(--zf-border); }
.zf-table { width: 100%; border-collapse: collapse; font: var(--zf-text-body)/var(--zf-leading-body) var(--zf-font); }
.zf-table th { position: sticky; top: 0; z-index: 1; height: 34px; padding: 0 12px; text-align: left; white-space: nowrap;
  background: var(--zf-th-bg, #0f0f12); color: var(--zf-muted); font: 500 var(--zf-text-micro)/1 var(--zf-font); letter-spacing: .08em; text-transform: uppercase;
  border-bottom: 1px solid var(--zf-border); }
.zf-table th[aria-sort] { cursor: pointer; transition: color var(--zf-dur-fast) var(--zf-ease-fast); }
.zf-table th[aria-sort]:hover { color: var(--zf-text); }
.zf-table th[aria-sort="ascending"], .zf-table th[aria-sort="descending"] { color: var(--zf-text); }
.zf-table th[aria-sort="ascending"]::after { content: " ↑"; color: var(--zf-accent); }
.zf-table th[aria-sort="descending"]::after { content: " ↓"; color: var(--zf-accent); }
.zf-table td { height: 40px; padding: 0 12px; box-shadow: inset 0 -1px 0 var(--zf-row-line, rgba(255,255,255,.045)); color: var(--zf-text); white-space: nowrap; }
.zf-table tbody tr:last-child td { box-shadow: none; }
.zf-table tbody tr { transition: background-color var(--zf-dur-fast) var(--zf-ease-fast); }
.zf-table tbody tr:hover { background: rgba(255,255,255,.025); }
.zf-table tbody tr[data-selected] { background: var(--zf-selected); }
/* Dividers are inset shadows, not borders, so dropping one between two selected rows leaves no hairline. */
.zf-table tbody tr[data-selected]:has(+ tr[data-selected]) td { box-shadow: none; }
.zf-table .num { font-family: var(--zf-mono); text-align: right; }
.zf-table.is-compact td { height: var(--zf-control-h-compact); }

/* Badges */
.zf-badge { --t: var(--zf-t-neutral, 161,161,170); display: inline-flex; align-items: center; gap: 6px; height: 20px; padding: 0 8px; border-radius: 999px;
  border: 1px solid rgba(var(--t),.3); background: rgba(var(--t),.07); color: rgb(var(--t));
  font: 500 var(--zf-text-micro)/1 var(--zf-font); white-space: nowrap; transition: background-color .22s, border-color .22s, color .22s; }
.zf-badge.is-success { --t: var(--zf-t-success, 125,211,160); }
.zf-badge.is-danger { --t: var(--zf-t-danger, 255,120,120); }
.zf-badge.is-warn { --t: var(--zf-t-warn, 232,198,108); }
.zf-badge.is-accent { --t: var(--zf-t-accent, 254,202,154); }
.zf-badge.has-dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.zf-badge.is-live::before { animation: zf-pulse 2s var(--zf-ease-moderate) infinite; }
@keyframes zf-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(var(--t),.5); } 60% { box-shadow: 0 0 0 4px rgba(var(--t),0); } }

/* Skeleton and empty state */
.zf-skel { position: relative; overflow: hidden; border-radius: var(--zf-r-sm); background: rgba(255,255,255,.05); }
.zf-skel::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.06), transparent); animation: zf-shimmer 1.4s var(--zf-ease-moderate) infinite; }
@keyframes zf-shimmer { to { transform: translateX(100%); } }
.zf-empty { display: grid; place-items: center; gap: 10px; padding: 36px 20px; text-align: center; border-radius: var(--zf-r-lg); border: 1px dashed var(--zf-border-hi); }
.zf-empty-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: rgba(254,202,154,.08); color: var(--zf-accent);
  animation: zf-kit-pop var(--zf-dur-slow) var(--zf-ease-spring) both; }
.zf-empty-icon svg { width: 20px; height: 20px; }
.zf-empty b { font: 600 var(--zf-text-subtitle)/var(--zf-leading-subtitle) var(--zf-font); }
.zf-empty p { margin: 0; max-width: 300px; color: var(--zf-dim); font-size: var(--zf-text-caption); line-height: var(--zf-leading-caption); }
@keyframes zf-kit-pop { from { opacity: 0; transform: scale(.8); } }

/* Copy in place: the icon swaps to a check and the label (if any) says Copied; no toast. */
.zf-copy { position: relative; }
.zf-copy .zf-copy-ok { position: absolute; opacity: 0; transform: scale(.6); color: var(--zf-success); transition: opacity var(--zf-dur-fast), transform var(--zf-dur-slow) var(--zf-ease-spring); }
.zf-copy .zf-copy-ico { transition: opacity var(--zf-dur-fast), transform var(--zf-dur-moderate) var(--zf-ease-fast); }
.zf-copy.is-copied .zf-copy-ok { opacity: 1; transform: none; }
.zf-copy.is-copied .zf-copy-ico { opacity: 0; transform: scale(.6); }
.zf-copy.is-copied { color: var(--zf-success); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
}