/* Longitude base tokens and elements. Theme colors are set on :root by
   js/ui/theme.js; the values below are the Signal theme so the page looks
   right before JavaScript runs. */

@font-face {
  font-family: "Manrope";
  src: url("../fonts/ui/manrope.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
}
@font-face {
  font-family: "Syne";
  src: url("../fonts/ui/syne.woff2") format("woff2");
  font-weight: 400 800;
  font-display: swap;
}
@font-face {
  font-family: "Space Mono";
  src: url("../fonts/ui/spacemono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Space Mono";
  src: url("../fonts/ui/spacemono-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #090b0d;
  --panel: #111517;
  --panel2: #1b2023;
  --line: #30383d;
  --text: #eef1ec;
  --muted: #a8b3b3;
  --faint: #8d9a9a;
  --accent: #d1ff4a;
  --highlight: #ffc56b;
  --ink: #16200d;
  --green: #a7d9a0;
  --red: #ff8f98;
  --amber: #eed09a;
  --workspace: #07080a;
  --glass: rgba(17, 21, 23, 0.78);
  --glass-strong: rgba(17, 21, 23, 0.96);
  --line-soft: rgba(48, 56, 61, 0.7);
  --hover: rgba(238, 241, 236, 0.06);
  --active: rgba(238, 241, 236, 0.1);
  --accent-soft: rgba(209, 255, 74, 0.14);
  --accent-line: rgba(209, 255, 74, 0.45);
  --highlight-soft: rgba(255, 197, 107, 0.16);
  --red-soft: rgba(255, 143, 152, 0.14);
  --shadow: rgba(0, 0, 0, 0.55);
  --dot: rgba(238, 241, 236, 0.07);
  --grain-op: 0.07;
  --grain-blend: screen;
  --scan-op: 0;

  /* Fixed tokens */
  --guide: #d1ff4a;        /* snap guides stay lime in every theme */
  --guide-halo: rgba(0, 0, 0, 0.6);
  --space-guide: #ffc56b;  /* spacing indicators */
  --f-body: "Manrope", "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-display: "Syne", "Manrope", system-ui, sans-serif;
  --f-mono: "Space Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --r-lg: 18px;   /* islands */
  --r: 12px;      /* cards, popovers */
  --r-s: 9px;     /* controls */
  --r-xs: 6px;
  --gap: 10px;    /* gap between floating islands and the window edge */
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast: 120ms;
  --t: 200ms;
  --island-shadow: 0 18px 50px -18px var(--shadow), 0 2px 8px -2px var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  --pop-shadow: 0 28px 70px -20px var(--shadow), 0 0 0 1px var(--line-soft), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --focus: 0 0 0 2px var(--panel), 0 0 0 4px var(--accent);

  font-family: var(--f-body);
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

html,
body {
  margin: 0;
  height: 100%;
  background: var(--workspace);
  color: var(--text);
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  user-select: none;
  -webkit-user-select: none;
}

input,
textarea,
[contenteditable] {
  user-select: text;
  -webkit-user-select: text;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
  outline: none;
}

:focus {
  outline: none;
}

:focus-visible {
  box-shadow: var(--focus);
  border-radius: var(--r-s);
}

[hidden] {
  display: none !important;
}

::selection {
  background: var(--accent-soft);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--line);
  border: 2px solid transparent;
  background-clip: padding-box;
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--line), var(--faint));
  background-clip: padding-box;
}
::-webkit-scrollbar-corner {
  background: transparent;
}
/* Firefox has no ::-webkit-scrollbar (Chromium would drop it if these applied). */
@supports not selector(::-webkit-scrollbar) {
  * {
    scrollbar-width: thin;
    scrollbar-color: var(--line) transparent;
  }
}

svg.i {
  width: 18px;
  height: 18px;
  flex: none;
  display: block;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}
svg.i.sm {
  width: 15px;
  height: 15px;
}
svg.i.lg {
  width: 22px;
  height: 22px;
}

kbd,
.kbd {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-family: var(--f-body);
  font-size: 10.5px;
  font-weight: 600;
  line-height: 1;
  color: var(--muted);
  background: var(--panel2);
  border: 1px solid var(--line-soft);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 3px 5px;
  min-width: 18px;
  justify-content: center;
}

.mono,
.num {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.micro {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--faint);
}

.muted {
  color: var(--muted);
}

/* Floating island surface */
.island {
  background: var(--glass);
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
  backdrop-filter: blur(22px) saturate(1.25);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  box-shadow: var(--island-shadow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 34px;
  padding: 7px 13px;
  border-radius: var(--r-s);
  border: 1px solid var(--line-soft);
  background: var(--panel2);
  color: var(--text);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast), color var(--t-fast);
}
.btn:hover {
  background: color-mix(in srgb, var(--panel2) 92%, var(--text));
  border-color: var(--line);
}
.btn:active:not(:disabled) {
  transform: translateY(1px) scale(0.99);
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
  font-weight: 700;
  box-shadow: 0 6px 22px -8px var(--accent-line);
}
.btn.primary:hover {
  background: color-mix(in srgb, var(--accent) 88%, var(--text));
  box-shadow: 0 8px 28px -8px var(--accent-line);
}
/* The glow above would replace the global focus ring: keep both. */
.btn.primary:focus-visible,
.btn.primary:focus-visible:hover {
  box-shadow: var(--focus), 0 6px 22px -8px var(--accent-line);
}
.btn.ghost {
  background: transparent;
  border-color: transparent;
}
.btn.ghost:hover {
  background: var(--hover);
}
.btn.danger {
  color: var(--red);
}
.btn.danger:hover {
  background: var(--red-soft);
  border-color: transparent;
}
.btn.wide {
  width: 100%;
}
.btn.big {
  min-height: 42px;
  font-size: 13.5px;
  border-radius: 11px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r-s);
  color: var(--muted);
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.icon-btn:hover {
  background: var(--hover);
  color: var(--text);
}
.icon-btn:active:not(:disabled) {
  transform: scale(0.94);
}
.icon-btn.active,
.icon-btn[aria-pressed="true"] {
  background: var(--accent-soft);
  color: var(--accent);
}
.icon-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.icon-btn.sm {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border-radius: 99px;
  background: var(--panel2);
  border: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}
.chip.accent {
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--accent);
}

/* Text fields */
.input,
input[type="text"],
input[type="search"],
input[type="number"],
input[type="url"],
textarea,
select {
  background: var(--panel2);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-s);
  padding: 7px 10px;
  min-height: 32px;
  color: var(--text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.input:hover,
input[type="text"]:hover,
input[type="search"]:hover,
input[type="number"]:hover,
input[type="url"]:hover,
textarea:hover,
select:hover {
  border-color: var(--line);
}
::placeholder {
  color: var(--muted);
  opacity: 1;
}
.input:disabled,
input:is([type="text"], [type="search"], [type="number"], [type="url"]):disabled:not(.ctl-num-input),
textarea:disabled,
select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  border-color: var(--line-soft);
}
.input:focus,
input[type="text"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
textarea:focus,
select:focus {
  border-color: var(--accent-line);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
input[type="number"] {
  -moz-appearance: textfield;
}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
select {
  cursor: pointer;
  appearance: none;
  padding-right: 28px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 15px) 50%, calc(100% - 10px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}

/* Textures. Add class "grain" to a positioned element to overlay film grain. */
.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: var(--grain-op);
  mix-blend-mode: var(--grain-blend);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  z-index: 0;
}
.scan::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: var(--scan-op);
  background: repeating-linear-gradient(0deg, currentColor 0 1px, transparent 1px 3px);
  z-index: 0;
}

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