/* Reset, fonts, typography and the shared control primitives. */

/* ---------- Instrument Sans (self-hosted, see assets/fonts/) ---------- */
@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/instrument-sans/instrument-sans-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/instrument-sans/instrument-sans-latin-ext-400-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/instrument-sans/instrument-sans-latin-500-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/instrument-sans/instrument-sans-latin-ext-500-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../assets/fonts/instrument-sans/instrument-sans-latin-600-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../assets/fonts/instrument-sans/instrument-sans-latin-ext-600-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
[hidden] { display: none !important; }
html, body { height: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--page-b);
  background-image:
    radial-gradient(1100px 520px at 12% -12%, #ffffff 0%, rgba(255, 255, 255, 0) 55%),
    radial-gradient(900px 620px at 105% 118%, var(--page-c) 0%, rgba(207, 224, 239, 0) 60%),
    linear-gradient(162deg, var(--page-a) 0%, var(--page-b) 55%, var(--page-c) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden;
}

img { max-width: 100%; }

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: var(--ring); }

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

/* ---------- Form controls ---------- */
input, textarea, select, button { font: inherit; color: inherit; }

.input,
input[type="text"].input,
input[type="email"].input,
input[type="search"].input,
input[type="date"].input,
input[type="time"].input,
textarea.input,
select.input {
  width: 100%;
  min-height: 38px;
  padding: 8px 11px;
  background: var(--surface-sunk);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.input:focus {
  outline: none;
  background: var(--surface);
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--ring);
}
textarea.input { resize: vertical; line-height: 1.5; }
select.input { appearance: none; background-image: none; cursor: pointer; }

label.field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 5px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 38px;
  padding: 0 15px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  background: var(--surface-alt);
  color: var(--ink);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform 0.05s ease;
}
.btn:hover { background: var(--line); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: default; transform: none; }

.btn-primary { background: var(--brand); color: var(--on-brand); }
.btn-primary:hover { background: var(--brand-hover); }

.btn-ghost { background: transparent; }
.btn-ghost:hover { background: var(--surface-alt); }

.btn-danger { background: transparent; color: var(--danger); border-color: var(--line); }
.btn-danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }

.btn-sm { min-height: 30px; padding: 0 10px; font-size: 12px; border-radius: var(--r-sm); }
.btn-block { width: 100%; }

/* Small square icon button (topbar / list headers). */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}
.icon-btn:hover { background: var(--surface-alt); color: var(--ink); }

/* Lucide icons (src/ui/icons.js): inherit colour, default to 1em unless a
   size was passed. Icon-only buttons centre them; label buttons space them. */
.icon { display: inline-block; flex-shrink: 0; vertical-align: middle; pointer-events: none; }
.icon:not([width]) { width: 1em; height: 1em; }
.icon-btn .icon:not([width]) { width: 18px; height: 18px; }
.icon-btn .icon[width="15"] { width: 16px; height: 16px; }

/* Small initials circle — the assignee picker and the card face's assignee
   chips (board.css sizes those down with .avatar-sm). */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--brand-tint);
  color: var(--brand);
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
}

/* ---------- Utility ---------- */
.muted { color: var(--ink-soft); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stack { display: flex; flex-direction: column; }
.spacer { flex: 1; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

kbd {
  display: inline-block;
  min-width: 20px;
  padding: 1px 6px;
  font-family: var(--font-sans);
  font-size: 12px;
  text-align: center;
  color: var(--ink);
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}