/* 用 Google 登入 → 選擇電腦 → 驗證碼 (素 Plain §3.13), in the .ob frame of
   screens.css; /computer-signin in the computer's browser; the Google button. */

/* ── Sign-in art: phone and computer joined by a sealed line ── */
.gs-art {
  display: block;
  width: min(208px, 58vw);
  height: auto;
  margin: 0 0 var(--s-8) -4px;
  overflow: visible;
}

.gs-line,
.gs-faint,
.gs-dash,
.gs-lock {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.gs-line {
  stroke: var(--label-2);
  stroke-width: 1.5;
}

.gs-faint {
  stroke: var(--label-3);
  stroke-width: 1.5;
}

.gs-dash {
  stroke: var(--label-3);
  stroke-width: 1.5;
  stroke-dasharray: 2 5;
  animation: gs-flow 2.4s linear infinite;
}

.gs-seal {
  fill: var(--bg-cell);
  stroke: var(--label-2);
  stroke-width: 1.5;
}

.gs-lock {
  stroke: var(--label-2);
  stroke-width: 1.5;
}

@keyframes gs-flow {
  to {
    stroke-dashoffset: -14;
  }
}

/* ── 選擇電腦 ───────────────────────────────────────────────── */
.gs .pc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  min-height: var(--nav-h);
  margin: calc(var(--s-14) * -1 + var(--s-2)) 0 var(--s-2);
}

.gs .pc-top .icon-btn {
  margin-left: calc(var(--s-3) * -1);
  color: var(--accent);
}

.pc-account {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  min-width: 0;
}

.pc-avatar {
  display: grid;
  flex: none;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--fill);
  color: var(--label-2);
  font-size: var(--t-footnote);
  font-weight: 600;
}

.pc-email {
  overflow: hidden;
  min-width: 0;
  color: var(--label-2);
  font-size: var(--t-footnote);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pc-head {
  margin-bottom: var(--s-6);
}

/* A list screen: the grouped-list gutter (16), not the setup screens' 24. */
.gs:has(> .pc-head) {
  padding-right: calc(var(--safe-right) + var(--s-4));
  padding-left: calc(var(--safe-left) + var(--s-4));
}

.pc-head .large-title {
  margin: 0;
  padding: 0;
}

.pc-group {
  margin-bottom: var(--s-4);
}

.pc-list[hidden] {
  display: none;
}

/* Loading: two quiet placeholder rows, no shimmer. */
.pc-list[aria-busy="true"]:empty {
  min-height: calc(var(--row-h-sub, 60px) * 2);
}

.pc-list:empty:not([aria-busy="true"]) {
  display: none;
}

.pc-item[data-online="true"] .pc-state {
  color: var(--success);
}

.pc-item[data-online="false"] .row-title {
  color: var(--label-2);
}

.pc-note {
  text-wrap: pretty;
}

.pc-group > .pc-list:empty + .pc-note,
.pc-note.pc-error {
  margin-top: 0;
}

.pc-note.pc-error {
  color: var(--danger);
}

.pc-refresh {
  display: block;
}

/* ── 驗證碼 ─────────────────────────────────────────────────── */
.gs .sas-top {
  justify-content: flex-start;
}

.sas-cancel {
  margin-left: calc(var(--s-2) * -1);
}

.sas {
  display: flex;
  flex-direction: column;
}

.sas-kicker {
  margin-top: var(--s-2);
}

.sas-frame {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-1);
  margin: var(--s-8) 0 var(--s-5);
  padding: var(--s-6) var(--s-4) var(--s-5);
  border-radius: var(--r-lg);
  background: var(--bg-cell);
}

.sas-num {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--t-large-title);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.sas-num.sas-dim {
  opacity: 0.4;
}

.sas-left {
  margin: 0;
  color: var(--label-2);
  font-size: var(--t-footnote);
  font-variant-numeric: tabular-nums;
}

.sas-status {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  min-height: 24px;
  margin: 0;
  padding: 0;
  color: var(--label-2);
  font-size: var(--t-subhead);
}

.sas-status .sas-fail {
  margin: 0;
  padding: 0;
  font-size: var(--t-subhead);
}

.sas-sub {
  margin-top: var(--s-5);
  font-size: var(--t-subhead);
}

.sas-again[hidden] {
  display: none;
}

/* ── /computer-signin, in the computer's browser ───────────── */
.cs {
  box-sizing: border-box;
}

.cs > * {
  max-width: 440px;
}

.cs-again {
  display: block;
  margin-top: var(--s-6);
}

/* ── Google button: Google's colours and mark, our 50px / --r-lg shape ── */
.g-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  height: 50px;
  padding: 0 var(--s-4);
  border-radius: var(--r-lg);
  border: 1px solid #8e918f;
  background: #131314;
  color: #e3e3e3;
  font-family: var(--font-text);
  font-size: var(--t-callout);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background-color var(--d-instant) linear;
}

.g-btn:active {
  background: #2a2b2c;
}

.g-btn:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent);
}

.g-btn .g-mark {
  flex: none;
  width: 18px;
  height: 18px;
}

:root[data-theme="light"] .g-btn {
  background: #ffffff;
  border-color: #747775;
  color: #1f1f1f;
}

:root[data-theme="light"] .g-btn:active {
  background: #f2f2f2;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .g-btn {
    background: #ffffff;
    border-color: #747775;
    color: #1f1f1f;
  }
  :root:not([data-theme]) .g-btn:active {
    background: #f2f2f2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gs-dash {
    animation: none;
  }
}