/* 3Q bug portal: light, mobile-first, big tap targets. */
:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --text: #1a2233;
  --muted: #5b6577;
  --line: #d9dee8;
  --primary: #1d4ed8;
  --primary-dark: #1e3fae;
  --primary-soft: #e8efff;
  --danger: #b42318;
  --danger-soft: #fdecea;
  --warn: #8a5a00;
  --warn-soft: #fff5db;
  --ok: #107a3e;
  --ok-soft: #e5f6ec;
  --radius: 12px;
  --tap: 48px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
h1 { font-size: 1.35rem; margin: 0 0 0.25rem; }
p { margin: 0.25rem 0 0.75rem; }
a { color: var(--primary); }
kbd { font: inherit; font-size: 0.85em; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 4px; background: #fff; }

/* ---------- top bar ---------- */
.topbar { background: var(--primary); color: #fff; position: sticky; top: 0; z-index: 10; }
.topbar-inner {
  max-width: 760px; margin: 0 auto; padding: 8px 12px;
  display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap;
}
body.wide .topbar-inner, body.wide .page { max-width: 1180px; }
.brand { font-weight: 700; font-size: 1rem; white-space: nowrap; }
.nav { display: flex; flex-wrap: wrap; gap: 4px; }
.nav-link {
  color: #fff; text-decoration: none; padding: 8px 12px; border-radius: 999px;
  min-height: 40px; display: inline-flex; align-items: center; font-size: 0.95rem;
}
.nav-link:hover { background: rgba(255, 255, 255, 0.15); }
.nav-link.is-active { background: #fff; color: var(--primary); font-weight: 600; }
/* Điện thoại: menu 2 dòng chiếm ~1/6 màn hình nếu dính đầu trang -> để menu cuộn theo trang, nút gọn hơn. */
@media (max-width: 639px) {
  .topbar { position: static; }
  .topbar-inner { padding: 6px 8px; }
  .brand { font-size: 0.9rem; width: 100%; }
  .nav { gap: 2px; }
  .nav-link { padding: 6px 10px; min-height: 36px; font-size: 0.9rem; }
}
.show-more { margin: 4px 0 16px; }

/* ---------- layout ---------- */
.page { max-width: 760px; margin: 0 auto; padding: 12px 12px 48px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; }
.card.narrow { max-width: 460px; margin: 24px auto; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.tiny { font-size: 0.75rem; word-break: break-all; }
.center { text-align: center; }
.req { color: var(--danger); font-weight: 700; }
.opt { color: var(--muted); font-weight: 400; font-size: 0.875rem; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- fields ---------- */
.field { margin: 0 0 16px; border: 0; padding: 0; min-width: 0; }
.field > label, .field > legend, .field > .label { display: block; font-weight: 600; margin-bottom: 6px; padding: 0; }
.help { font-size: 0.85rem; color: var(--muted); margin: 4px 0 0; }
input[type=text], input[type=search], input[type=password], select, textarea {
  width: 100%; font: inherit; font-size: 16px; /* 16px stops phone zoom on focus */
  color: var(--text); background: #fff; border: 1px solid #b9c1cf; border-radius: 10px;
  padding: 10px 12px; min-height: var(--tap);
}
textarea { resize: vertical; min-height: 88px; }
input:focus, select:focus, textarea:focus, button:focus-visible, .btn:focus-visible {
  outline: 3px solid rgba(29, 78, 216, 0.35); outline-offset: 1px; border-color: var(--primary);
}
.field.invalid input, .field.invalid textarea, .field.invalid .dropzone { border-color: var(--danger); background: var(--danger-soft); }
.field.invalid > label, .field.invalid > .label { color: var(--danger); }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 0 16px; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.check { display: flex; align-items: center; gap: 8px; min-height: var(--tap); margin-bottom: 8px; }
.check input { width: 22px; height: 22px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: var(--tap); padding: 10px 18px; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; text-align: center;
}
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.secondary { background: var(--primary-soft); color: var(--primary); border-color: #c7d6fb; }
.btn.block { display: flex; width: 100%; margin-top: 8px; }
.btn.big { min-height: 56px; font-size: 1.1rem; }
.btn:disabled { opacity: 0.6; cursor: wait; }
.link-btn { background: none; border: 0; color: var(--primary); font: inherit; font-weight: 600; cursor: pointer; padding: 8px; min-height: 40px; text-decoration: underline; }

/* segmented + chips */
.seg { display: flex; gap: 8px; flex-wrap: wrap; }
.seg label { flex: 1 1 0; min-width: 88px; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label span, .seg-btn {
  display: flex; align-items: center; justify-content: center; min-height: var(--tap); padding: 8px 12px;
  border: 1px solid #b9c1cf; border-radius: 10px; background: #fff; font: inherit; font-weight: 600; cursor: pointer; width: 100%;
}
.seg-btn { flex: 1 1 0; min-width: 88px; width: auto; }
.seg input:checked + span, .seg-btn[aria-pressed=true] { background: var(--primary); color: #fff; border-color: var(--primary); }
.seg input:focus-visible + span { outline: 3px solid rgba(29, 78, 216, 0.35); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  min-height: 44px; padding: 8px 14px; border-radius: 999px; border: 1px solid #b9c1cf; background: #fff;
  font: inherit; font-size: 0.95rem; cursor: pointer; text-align: left;
}
.chip[aria-pressed=true] { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- evidence ---------- */
.dropzone { border: 2px dashed #b9c1cf; border-radius: var(--radius); padding: 12px; background: #fafbfd; }
.dropzone.is-drag { border-color: var(--primary); background: var(--primary-soft); }
.dropzone .btn.block { margin-top: 0; }
.ev-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }
.has-files .ev-list { margin-top: 12px; }
.ev-item { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: #eef1f6; aspect-ratio: 1; }
.ev-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ev-video { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; font-weight: 700; color: var(--muted); text-align: center; }
.ev-remove {
  position: absolute; top: 4px; right: 4px; min-height: 32px; padding: 4px 10px; border-radius: 999px;
  border: 0; background: rgba(20, 24, 33, 0.75); color: #fff; font: inherit; font-size: 0.8rem; cursor: pointer;
}
.ev-bar { position: absolute; left: 0; right: 0; bottom: 0; height: 8px; background: rgba(0, 0, 0, 0.2); }
.ev-bar span { display: block; height: 100%; background: var(--primary); transition: width 0.2s; }
.ev-state { position: absolute; left: 0; right: 0; bottom: 0; font-size: 0.75rem; font-weight: 600; text-align: center; padding: 2px; }
.ev-state.ok { background: var(--ok-soft); color: var(--ok); }
.ev-state.err { background: var(--danger-soft); color: var(--danger); }

/* ---------- alerts ---------- */
.alert { border-radius: 10px; padding: 10px 12px; font-weight: 500; }
.alert.err { background: var(--danger-soft); color: var(--danger); }
.alert.warn { background: var(--warn-soft); color: var(--warn); }
.alert.info { background: var(--primary-soft); color: var(--primary-dark); }

.whoami { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 0 4px 8px; }
.success { text-align: center; padding: 28px 16px; }
.big-code { font-size: 3rem; font-weight: 800; color: var(--primary); letter-spacing: 0.02em; margin: 0 0 8px; }

/* ---------- lists ---------- */
.list-head { margin: 4px 4px 12px; }
.list-head.row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filters { display: flex; flex-wrap: wrap; gap: 0 12px; align-items: flex-end; padding-bottom: 4px; }
.filters .field { flex: 1 1 140px; margin-bottom: 12px; }
.filters .field.grow { flex: 2 1 220px; }
.filters .btn { margin-bottom: 12px; }
.bug-list { display: grid; gap: 12px; }
.bug-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; min-width: 0; }
.bug-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 6px; }
.bug-code { font-weight: 800; font-size: 1.1rem; }
.bug-screen { font-weight: 600; margin: 0 0 4px; }
.bug-actual { margin: 0 0 8px; white-space: pre-wrap; overflow-wrap: anywhere; }
.badge { font-size: 0.8rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.tag { display: inline-block; font-size: 0.78rem; font-weight: 600; padding: 1px 8px; border-radius: 999px; background: #eef1f6; color: #3b4556; }
.tag.soft { background: var(--warn-soft); color: var(--warn); }
.st-new { background: #e8efff; color: #1e3fae; }
.st-ok { background: var(--ok-soft); color: var(--ok); }
.st-info { background: var(--warn-soft); color: var(--warn); }
.st-dup, .st-no { background: #eceef2; color: #4a5263; }
.st-fixed { background: #e6f4f1; color: #0f6b5c; }
.st-progress { background: #efe8ff; color: #5b2bb5; }
.st-closed { background: #dfe3ea; color: #2c3444; }
.st-reopen { background: var(--danger-soft); color: var(--danger); }
.badge.reopen { background: var(--danger); color: #fff; }
.tag.age-stale { background: var(--danger-soft); color: var(--danger); }
.lead-feedback { background: var(--warn-soft); border-radius: 8px; padding: 8px 10px; margin: 0 0 8px; white-space: pre-wrap; overflow-wrap: anywhere; }
details summary { cursor: pointer; color: var(--primary); font-weight: 600; min-height: 36px; display: flex; align-items: center; }
.kv { margin: 4px 0 8px; display: grid; grid-template-columns: 1fr; gap: 2px 12px; }
.kv dt { font-size: 0.8rem; color: var(--muted); font-weight: 600; margin-top: 6px; }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.pre { white-space: pre-wrap; }
.thumbs { display: flex; flex-wrap: wrap; gap: 6px; }
.thumb { width: 72px; height: 72px; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; background: #eef1f6; font-size: 0.8rem; font-weight: 700; text-decoration: none; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.empty { text-align: center; color: var(--muted); }

/* lead */
.status-summary { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 12px; }
.sum-chip { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 6px 12px; min-height: 40px; font: inherit; font-size: 0.9rem; cursor: pointer; }
.lead-card { display: grid; grid-template-columns: 1fr; gap: 12px; }
.lead-edit { background: #f7f9fc; border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.lead-edit .field { margin-bottom: 10px; }
.lead-edit label { font-size: 0.85rem; }
.edit-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.save-state { font-size: 0.875rem; font-weight: 600; }
.save-state.ok { color: var(--ok); }
.save-state.err { color: var(--danger); }
.save-state.warn { color: var(--warn); }
@media (min-width: 900px) {
  .lead-card { grid-template-columns: minmax(0, 1fr) 320px; }
  .kv { grid-template-columns: 140px minmax(0, 1fr); }
  .kv dt { margin-top: 0; }
}