/* yyb public-code — figma-aligned single-page styles */
:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel-hi: #1f2530;
  --line: #262d3a;
  --text: #e6edf3;
  --muted: #8b96a7;
  --accent: #2dd4bf;
  --accent-hi: #5ee7d8;
  --warn: #f5a524;
  --danger: #f87171;
  --ok: #34d399;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); }

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  height: 52px; padding: 0 20px;
  background: rgba(14, 17, 22, 0.85);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-hi));
  box-shadow: 0 0 12px rgba(45, 212, 191, .55);
}
.health {
  font-size: 12px; color: var(--muted);
  padding: 4px 8px; border: 1px solid var(--line); border-radius: 999px;
}
.health.ok { color: var(--ok); border-color: rgba(52, 211, 153, 0.4); }
.health.bad { color: var(--danger); border-color: rgba(248, 113, 113, 0.4); }

.app {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

.intro h1 {
  font-size: 22px;
  margin: 12px 0 6px;
}
.intro-sub { color: var(--muted); margin: 0 0 24px; }

.slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}

.slot {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  display: flex; flex-direction: column;
  min-height: 180px;
  position: relative;
}
.slot.empty {
  border-style: dashed;
  align-items: center; justify-content: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.slot.empty:hover { border-color: var(--accent); background: var(--panel-hi); }
.slot.empty .plus {
  font-size: 28px; color: var(--muted); margin-bottom: 6px;
}
.slot.empty .add-text { color: var(--muted); }

.slot .head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.slot .avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--panel-hi); border: 1px solid var(--line);
  object-fit: cover;
}
.slot .nick {
  flex: 1; min-width: 0;
  font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.slot .badge {
  font-size: 11px; padding: 2px 6px; border-radius: 4px;
  background: rgba(45, 212, 191, .12); color: var(--accent);
}
.slot .badge.pending { background: rgba(245, 165, 36, .12); color: var(--warn); }
.slot .badge.expired { background: rgba(248, 113, 113, .12); color: var(--danger); }

.slot .meta {
  font-size: 12px; color: var(--muted); margin-bottom: 12px;
  display: flex; gap: 8px; flex-wrap: wrap;
}
.slot .meta span { padding: 2px 6px; background: var(--panel-hi); border-radius: 4px; }

.slot .form { display: flex; gap: 6px; margin-top: auto; }
.slot input.appid {
  flex: 1; min-width: 0;
  background: var(--panel-hi);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 13px;
}
.slot input.appid:focus { outline: none; border-color: var(--accent); }
.slot button {
  border: 0; border-radius: 6px;
  padding: 8px 12px;
  background: var(--accent); color: #03252b;
  font-weight: 600;
  cursor: pointer;
}
.slot button:disabled {
  background: var(--panel-hi); color: var(--muted); cursor: not-allowed;
}
.slot button.ghost {
  background: transparent; color: var(--muted); border: 1px solid var(--line);
  font-weight: 400;
}
.slot .row { display: flex; gap: 6px; margin-top: 8px; }

.slot .code-result {
  margin-top: 10px; padding: 8px 10px;
  background: var(--panel-hi); border: 1px solid var(--line);
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px; word-break: break-all;
  display: flex; align-items: center; gap: 8px;
}
.slot .code-result .copy-btn {
  flex: 0 0 auto;
  padding: 4px 8px; font-size: 11px;
  background: var(--panel); border: 1px solid var(--line); color: var(--muted);
  border-radius: 4px; cursor: pointer;
}

.usage {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  color: var(--muted);
}
.usage h2 { color: var(--text); font-size: 15px; margin: 0 0 8px; }
.usage ol { padding-left: 20px; margin: 0 0 12px; }
.usage code {
  background: var(--panel-hi); padding: 1px 6px; border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}
.usage .warn { color: var(--warn); margin: 0; font-size: 12px; }

/* modal */
.modal-mask {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0, 0, 0, 0.65);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  width: min(360px, 100%);
  box-shadow: var(--shadow);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--line);
}
.modal-title { font-weight: 600; }
.modal-close {
  background: transparent; border: 0; color: var(--muted);
  font-size: 22px; line-height: 1; cursor: pointer; padding: 0 4px;
}
.modal-body { padding: 18px; text-align: center; }
.qr-wrap {
  width: 240px; height: 240px; margin: 0 auto 12px;
  background: #fff; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: #555;
}
.qr-wrap img { width: 100%; height: 100%; image-rendering: pixelated; }
.qr-loading { color: #555; font-size: 13px; }
.qr-tips { color: var(--muted); font-size: 12px; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 32px; transform: translateX(-50%);
  background: rgba(20, 25, 33, 0.96);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 14px; border-radius: 6px;
  z-index: 99;
  font-size: 13px;
  box-shadow: var(--shadow);
}
.toast.warn { border-color: rgba(245, 165, 36, 0.6); }
.toast.err { border-color: rgba(248, 113, 113, 0.6); }
.toast.ok { border-color: rgba(52, 211, 153, 0.6); }