/* Base elements and shared components. Uses tokens.css only.
   Windows 98 overrides live in win98.css. */

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

html, body, #app { height: 100%; }

body {
  margin: 0;
  background: var(--desk);
  color: var(--text);
  font: var(--weight-normal) var(--text-md) / 1.5 var(--font-ui);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
::selection { background: var(--accent-soft); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- boot screen (shown until the app mounts) ---------- */
.boot {
  display: grid; place-items: center; height: 100%;
  color: var(--text-3); font-size: var(--text-sm);
}

/* ---------- desk background ---------- */
.desk {
  background-color: var(--desk);
  background-image: radial-gradient(var(--desk-dot) 1px, transparent 1.2px);
  background-size: 20px 20px;
}

/* ---------- app header ---------- */
.app-header {
  position: sticky; top: 0; z-index: 20;
  height: var(--header-h);
  display: flex; align-items: center; gap: 12px;
  padding: 0 16px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.app-header .spacer { flex: 1; }

.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); text-decoration: none;
  font-family: var(--font-display); font-weight: var(--weight-strong);
  font-size: var(--text-lg); letter-spacing: -0.01em;
}
.brand-mark { width: 28px; height: 28px; flex: none; }
.brand-sub { color: var(--text-3); font-weight: var(--weight-normal); font-size: var(--text-sm); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 36px; padding: 0 14px;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
  font-size: var(--text-sm); font-weight: var(--weight-medium); white-space: nowrap;
  box-shadow: var(--shadow-1);
  transition: background var(--speed) var(--ease), border-color var(--speed) var(--ease), transform var(--speed) var(--ease);
}
.btn:hover { background: var(--surface-hover); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: default; transform: none; }
.btn svg { width: 16px; height: 16px; flex: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--text-on-accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn-danger:hover { filter: brightness(1.08); background: var(--bad); }
.btn-ghost { background: transparent; border-color: transparent; box-shadow: none; }
.btn-ghost:hover { background: var(--surface-hover); }
.btn-lg { height: 42px; padding: 0 18px; font-size: var(--text-md); }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 34px; height: 34px; padding: 0;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  background: transparent; color: var(--text-2);
  transition: background var(--speed) var(--ease), color var(--speed) var(--ease);
}
.icon-btn:hover { background: var(--surface-hover); color: var(--text); }
.icon-btn svg { width: 18px; height: 18px; }

/* ---------- segmented control (theme switch) ---------- */
.segmented {
  display: inline-flex; padding: 3px; gap: 2px;
  background: var(--surface-sunk); border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.segmented button {
  display: inline-grid; place-items: center;
  width: 30px; height: 26px; padding: 0;
  border: 0; border-radius: calc(var(--radius-sm) - 2px);
  background: transparent; color: var(--text-3);
}
.segmented button svg { width: 16px; height: 16px; }
.segmented button:hover { color: var(--text); }
.segmented button[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow-1); }

/* ---------- form fields ---------- */
.field { display: grid; gap: 6px; }
.field-label { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--text-2); }
.input {
  height: 40px; padding: 0 12px; width: 100%;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
  transition: border-color var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }

/* radio cards: big selectable options */
.radio-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.radio-card {
  position: relative; display: grid; gap: 8px; align-content: start;
  padding: 12px; text-align: left;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  background: var(--surface); cursor: pointer;
  transition: border-color var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}
.radio-card:hover { border-color: var(--border-strong); }
.radio-card:has(input:checked) { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }
.radio-card:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.radio-card input { position: absolute; opacity: 0; pointer-events: none; }
.radio-card-title { font-weight: var(--weight-strong); }
.radio-card-text { color: var(--text-2); font-size: var(--text-sm); line-height: 1.4; }
.radio-card .thumb { border-radius: var(--radius-sm); }

/* ---------- dialog ---------- */
dialog.dialog {
  width: min(520px, calc(100vw - 32px));
  padding: 0; border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); color: var(--text);
  box-shadow: var(--shadow-pop);
}
dialog.dialog::backdrop { background: var(--backdrop); backdrop-filter: blur(2px); }
dialog.dialog[open] { animation: dialog-in 160ms var(--ease); }
@keyframes dialog-in { from { opacity: 0; transform: translateY(6px) scale(0.985); } }
.dialog-head { display: flex; align-items: center; gap: 8px; padding: 18px 20px 0; }
.dialog-title { margin: 0; flex: 1; font: var(--weight-strong) var(--text-lg) / 1.3 var(--font-display); }
.dialog-body { display: grid; gap: 16px; padding: 16px 20px; }
.dialog-body p { margin: 0; color: var(--text-2); }
.dialog-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 0 20px 18px; }

/* ---------- menu ---------- */
.menu-anchor { position: relative; }
.menu {
  position: absolute; z-index: 30; top: calc(100% + 4px); right: 0;
  min-width: 180px; padding: 5px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  animation: menu-in 120ms var(--ease);
}
@keyframes menu-in { from { opacity: 0; transform: translateY(-4px); } }
.menu-item {
  display: flex; align-items: center; gap: 10px; width: 100%;
  height: 34px; padding: 0 10px;
  border: 0; border-radius: calc(var(--radius) - 4px);
  background: transparent; color: var(--text); text-align: left; font-size: var(--text-sm);
}
.menu-item svg { width: 16px; height: 16px; color: var(--text-3); }
.menu-item:hover, .menu-item:focus-visible { background: var(--surface-hover); outline: none; }
.menu-item.danger, .menu-item.danger svg { color: var(--bad); }
.menu-sep { height: 1px; margin: 4px 2px; background: var(--border); }

/* ---------- toast ---------- */
.toasts { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 50; display: grid; gap: 8px; }
.toast {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 10px 10px 16px;
  background: var(--text); color: var(--surface);
  border-radius: var(--radius); box-shadow: var(--shadow-pop);
  font-size: var(--text-sm);
  animation: toast-in 180ms var(--ease);
}
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }
.toast .btn { height: 30px; background: transparent; color: inherit; border-color: color-mix(in srgb, var(--surface) 35%, transparent); box-shadow: none; }

/* ---------- banner ---------- */
.banner {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px 14px; border-radius: var(--radius);
  background: var(--warn-soft); color: var(--text); font-size: var(--text-sm);
  border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent);
}
.banner svg { width: 18px; height: 18px; flex: none; color: var(--warn); margin-top: 1px; }