:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --bg2: var(--tg-theme-secondary-bg-color, #f3f4f6);
  --text: var(--tg-theme-text-color, #111827);
  --muted: var(--tg-theme-hint-color, #6b7280);
  --link: var(--tg-theme-link-color, #ff5b00);
  --btn: #ff5b00;            /* cam Klook */
  --btn-text: #ffffff;
  --ok: #16a34a;
  --line: color-mix(in srgb, var(--text) 10%, transparent);
  --card: var(--tg-theme-section-bg-color, var(--bg));
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--tg-theme-bg-color, #111318);
    --bg2: var(--tg-theme-secondary-bg-color, #0b0c10);
    --text: var(--tg-theme-text-color, #f3f4f6);
    --muted: var(--tg-theme-hint-color, #9ca3af);
    --card: var(--tg-theme-section-bg-color, #181b22);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg2);
  color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
}
.muted { color: var(--muted); }

.top {
  position: sticky; top: 0; z-index: 5;
  background: var(--bg);
  padding: 12px 16px 8px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.brand h1 { font-size: 17px; margin: 0 0 8px; }
.brand p { margin: 0; font-size: 12px; white-space: nowrap; }

.search {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg2); border-radius: 12px; padding: 0 12px; height: 42px;
}
.search input {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--text);
  font-size: 16px; /* >=16px để iOS không tự phóng to */
}
.search input::-webkit-search-cancel-button { display: none; }
.search button { border: 0; background: none; color: var(--muted); font-size: 16px; padding: 6px; cursor: pointer; }

.filters { display: flex; gap: 8px; margin-top: 8px; }
.country { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.country select {
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
  border-radius: 10px; padding: 6px 8px; font-size: 14px; max-width: 70vw;
}

.chips { display: flex; gap: 6px; overflow-x: auto; padding: 8px 0 2px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none; border: 1px solid var(--line); background: var(--bg); color: var(--text);
  border-radius: 999px; padding: 6px 12px; font-size: 13px; cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--btn); border-color: var(--btn); color: var(--btn-text); }

main { padding: 12px 16px; max-width: 720px; margin: 0 auto; }
.section-title { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 4px 0 8px; }
.status { font-size: 13px; margin: 4px 0 10px; }
.status.warn { color: var(--text); background: color-mix(in srgb, var(--btn) 12%, var(--bg)); padding: 10px 12px; border-radius: 12px; }

.card {
  display: flex; gap: 12px; background: var(--card); border-radius: var(--radius);
  padding: 12px; margin-bottom: 10px; border: 1px solid var(--line);
}
.card.focus { border-color: var(--btn); box-shadow: 0 0 0 2px color-mix(in srgb, var(--btn) 25%, transparent); }
.disc {
  flex: none; width: 76px; border-radius: 10px; padding: 8px 4px; text-align: center;
  background: color-mix(in srgb, var(--btn) 12%, var(--card)); color: var(--btn);
  font-weight: 700; font-size: 14px; line-height: 1.2; display: flex; align-items: center; justify-content: center;
  word-break: break-word; align-self: flex-start; min-height: 72px;
}
.body { flex: 1; min-width: 0; }
.body h3 { font-size: 15px; margin: 0 0 4px; font-weight: 600; overflow-wrap: anywhere; }
.tags { display: flex; flex-wrap: wrap; gap: 4px 6px; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.tags span { background: var(--bg2); border-radius: 6px; padding: 1px 6px; }
.tags .hot { color: #dc2626; }

.code-row { display: flex; align-items: center; gap: 8px; }
.code {
  flex: 1; min-width: 0; font: 600 15px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  border: 1.5px dashed var(--line); border-radius: 10px; padding: 10px; letter-spacing: .04em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; user-select: all;
}
.code.masked { color: var(--muted); user-select: none; }
.code-row.revealed { flex-wrap: wrap; }
.code.real { border-color: var(--ok); color: var(--ok); flex-basis: 100%; white-space: normal; overflow-wrap: anywhere; text-align: center; font-size: 17px; }
.code-row.revealed .btn { flex: 1; }
.btn {
  flex: none; border: 0; border-radius: 10px; padding: 10px 14px; font-weight: 600; font-size: 14px;
  background: var(--btn); color: var(--btn-text); cursor: pointer;
}
.btn.copy { background: var(--ok); }
.btn:disabled { opacity: .6; }
.hint { font-size: 12px; margin: 6px 0 0; color: var(--muted); }
.hint a, .terms a { color: var(--link); }

details.terms { margin-top: 8px; font-size: 12px; color: var(--muted); }
details.terms summary { cursor: pointer; }
details.terms p { white-space: pre-line; margin: 6px 0; overflow-wrap: anywhere; }

.empty { text-align: center; padding: 32px 8px; color: var(--muted); }
.foot { text-align: center; font-size: 12px; padding: 8px 16px 24px; max-width: 720px; margin: 0 auto; }

#toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); transform: translateX(-50%) translateY(20px);
  background: #111827; color: #fff; padding: 10px 16px; border-radius: 999px; font-size: 14px;
  opacity: 0; pointer-events: none; transition: .2s; max-width: calc(100% - 32px); text-align: center;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }