/* Thông Ngữ - giao diện theo tông UEH (teal #005F69), font Be Vietnam Pro */

@font-face { font-family: "Be Vietnam Pro"; font-weight: 400; src: url("../fonts/BeVietnamPro-Regular.ttf") format("truetype"); }
@font-face { font-family: "Be Vietnam Pro"; font-weight: 500; src: url("../fonts/BeVietnamPro-Medium.ttf") format("truetype"); }
@font-face { font-family: "Be Vietnam Pro"; font-weight: 600; src: url("../fonts/BeVietnamPro-SemiBold.ttf") format("truetype"); }
@font-face { font-family: "Be Vietnam Pro"; font-weight: 700; src: url("../fonts/BeVietnamPro-Bold.ttf") format("truetype"); }

:root {
  --teal: #005f69;
  --teal-700: #004a52;
  --teal-600: #00545d;
  --teal-100: #d7e9ea;
  --teal-50: #eef5f5;
  --accent: #f26f33;
  --accent-50: #fdf0ea;
  --ink: #1d2b30;
  --ink-2: #4b5a60;
  --muted: #7a888d;
  --line: #e2e8ea;
  --line-2: #eef2f3;
  --bg: #f6f8f8;
  --card: #ffffff;
  --danger: #c4372b;
  --danger-50: #fbecea;
  --ok: #1f8a5b;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(16, 40, 44, .04), 0 4px 16px rgba(16, 40, 44, .05);
  --shadow-lg: 0 12px 40px rgba(16, 40, 44, .16);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  user-select: none;
  -webkit-user-select: none;
}
input, textarea, select, button { font: inherit; color: inherit; }
.selectable, input, textarea, .term-text, .def-text, td { user-select: text; -webkit-user-select: text; }
[hidden] { display: none !important; }

/* ---------- Khung app ---------- */
.app { display: grid; grid-template-columns: 232px 1fr; height: 100vh; }
.sidebar {
  background: var(--card);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  padding: 22px 14px 16px;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 0 8px 22px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--teal); color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 20px; position: relative;
}
.brand-mark::after {
  content: ""; position: absolute; right: -3px; top: -3px;
  width: 10px; height: 10px; border-radius: 50%; background: var(--accent);
  border: 2px solid #fff;
}
.brand-name { font-weight: 600; font-size: 17px; line-height: 1.2; }
.brand-sub { font-size: 11.5px; color: var(--muted); }

.nav { display: flex; flex-direction: column; gap: 4px; }
.nav button {
  display: flex; align-items: center; gap: 12px;
  border: 0; background: transparent; cursor: pointer;
  padding: 10px 12px; border-radius: var(--radius-sm);
  color: var(--ink-2); font-weight: 500; text-align: left;
  transition: background .15s, color .15s;
}
.nav button svg { width: 19px; height: 19px; flex: none; }
.nav button:hover { background: var(--line-2); color: var(--ink); }
.nav button.active { background: var(--teal-50); color: var(--teal); font-weight: 600; }
.nav .count {
  margin-left: auto; font-size: 11.5px; font-weight: 600;
  background: var(--line-2); color: var(--ink-2);
  padding: 1px 8px; border-radius: 999px;
}
.nav button.active .count { background: var(--teal); color: #fff; }

.sidebar-foot { margin-top: auto; padding: 14px 10px 0; border-top: 1px solid var(--line-2); }
.hotkey-hint { font-size: 12px; color: var(--muted); line-height: 1.5; }
kbd {
  display: inline-block; font-family: inherit; font-size: 11px; font-weight: 600;
  padding: 1px 7px; border-radius: 6px; border: 1px solid var(--line);
  border-bottom-width: 2px; background: #fff; color: var(--ink-2);
}

.main { overflow-y: auto; }
.page { max-width: 920px; margin: 0 auto; padding: 34px 40px 60px; }
.page-head { margin-bottom: 22px; }
.page-head h1 { font-size: 26px; font-weight: 600; margin: 0; letter-spacing: -.01em; }
.page-head p { margin: 4px 0 0; color: var(--ink-2); }
.eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 4px;
}

/* ---------- Thành phần chung ---------- */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.card-pad { padding: 22px 24px; }
.card-title { font-size: 13px; font-weight: 600; color: var(--ink-2); margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.card-title svg { width: 16px; height: 16px; color: var(--teal); flex: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  padding: 10px 18px; font-weight: 500; cursor: pointer; white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-700); }
.btn-primary:disabled { background: #9db9bc; cursor: default; }
.btn-ghost { background: transparent; color: var(--ink-2); }
.btn-ghost:hover { background: var(--line-2); color: var(--ink); }
.btn-outline { background: #fff; color: var(--ink-2); border-color: #b9c4c7; }
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-danger { background: #fff; color: var(--danger); border-color: #efc9c5; }
.btn-danger:hover { background: var(--danger-50); }
.icon-btn {
  width: 34px; height: 34px; border-radius: 9px; border: 0; background: transparent;
  display: inline-grid; place-items: center; cursor: pointer; color: var(--muted);
}
.icon-btn:hover { background: var(--line-2); color: var(--ink); }
.icon-btn svg { width: 17px; height: 17px; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 12.5px; font-weight: 500; color: var(--ink-2); }
.input, .textarea, .select {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; padding: 10px 13px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.textarea { resize: vertical; min-height: 64px; }
.input:focus, .textarea:focus, .select:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0, 95, 105, .12); }
.input::placeholder, .textarea::placeholder { color: #a5b0b3; }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 600; letter-spacing: .02em;
  padding: 2px 9px; border-radius: 999px; white-space: nowrap;
  background: var(--line-2); color: var(--ink-2);
}
.badge-teal { background: var(--teal-50); color: var(--teal); }
.badge-accent { background: var(--accent-50); color: #c2531f; }
.badge-solid { background: var(--teal); color: #fff; }

.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.row { display: flex; align-items: center; gap: 10px; }
.grow { flex: 1; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ---------- Tra cứu ---------- */
.search-box {
  display: flex; align-items: center; gap: 10px;
  background: #fff; border: 1.5px solid var(--line); border-radius: 18px;
  padding: 8px 8px 8px 18px; box-shadow: var(--shadow);
  transition: border-color .15s, box-shadow .15s;
}
.search-box:focus-within { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(0, 95, 105, .10); }
.search-box > svg { width: 20px; height: 20px; color: var(--muted); flex: none; }
.search-box input {
  flex: 1; border: 0; outline: none; background: transparent;
  font-size: 17px; padding: 8px 0; min-width: 0;
}
.dir-toggle {
  display: inline-flex; align-items: center; gap: 6px; flex: none;
  border: 1px solid var(--line); background: var(--teal-50); color: var(--teal);
  border-radius: 999px; padding: 6px 12px; font-size: 12.5px; font-weight: 600; cursor: pointer;
}
.dir-toggle:hover { border-color: var(--teal); }
.dir-toggle svg { width: 14px; height: 14px; }
.dir-toggle.auto::before { content: "Tự nhận · "; font-weight: 500; opacity: .75; }

.recent { margin-top: 26px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--line); background: #fff; border-radius: 999px;
  padding: 6px 14px; cursor: pointer; font-size: 13px; color: var(--ink-2);
}
.chip:hover { border-color: var(--teal); color: var(--teal); }

.empty-hero { margin-top: 30px; padding: 26px 28px; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.tip h3 { font-size: 14px; font-weight: 600; margin: 10px 0 4px; }
.tip p { margin: 0; color: var(--ink-2); font-size: 13px; }
.tip-num {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: var(--teal-50); color: var(--teal); font-weight: 700; font-size: 13px;
}

.result { margin-top: 24px; display: grid; grid-template-columns: 1.35fr 1fr; gap: 18px; align-items: start; }
.result-term { font-size: 28px; font-weight: 600; letter-spacing: -.01em; line-height: 1.25; word-break: break-word; }
.result-meta { display: flex; align-items: center; gap: 8px; margin-top: 6px; flex-wrap: wrap; }
.phonetic { color: var(--muted); font-size: 14px; }

.saved-banner {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--teal-50); border: 1px solid var(--teal-100);
  border-radius: 14px; padding: 14px 16px; margin-top: 16px;
}
.saved-banner svg { width: 20px; height: 20px; color: var(--teal); flex: none; margin-top: 2px; }
.saved-banner .term-text { font-weight: 600; color: var(--teal); font-size: 16px; }

.cands { display: flex; flex-direction: column; gap: 8px; }
.cand {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--line); border-radius: 13px; padding: 11px 12px 11px 16px;
  background: #fff; transition: border-color .15s, background .15s;
}
.cand:hover { border-color: #b6cfd1; }
.cand.chosen { border-color: var(--teal); background: var(--teal-50); }
.cand .term-text { font-size: 15.5px; font-weight: 500; flex: 1; word-break: break-word; }
.cand .src { font-size: 11.5px; color: var(--muted); }

.skeleton {
  height: 46px; border-radius: 13px;
  background: linear-gradient(90deg, var(--line-2) 0%, #f7f9f9 50%, var(--line-2) 100%);
  background-size: 200% 100%; animation: shimmer 1.2s infinite;
}
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

.save-card { position: sticky; top: 20px; }
.save-card .field + .field { margin-top: 12px; }
.save-actions { margin-top: 16px; display: flex; gap: 10px; }
.save-actions .btn-primary { flex: 1; }

.defs { display: flex; flex-direction: column; gap: 14px; }
.def-pos { font-size: 12px; font-weight: 600; color: var(--teal); text-transform: lowercase; font-style: italic; }
.def-text { margin: 2px 0 0; color: var(--ink); }
.def-ex { margin: 3px 0 0; color: var(--muted); font-size: 13px; font-style: italic; }
.wiki-extract { color: var(--ink-2); font-size: 13.5px; margin: 0; }
.link { color: var(--teal); font-weight: 500; cursor: pointer; text-decoration: none; border: 0; background: none; padding: 0; }
.link:hover { text-decoration: underline; }
.note-warn { font-size: 12.5px; color: var(--muted); margin-top: 10px; }

/* ---------- Bảng thuật ngữ ---------- */
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar .search-mini { position: relative; flex: 1; min-width: 220px; }
.toolbar .search-mini svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 17px; height: 17px; color: var(--muted); }
.toolbar .search-mini .input { padding-left: 38px; }
.toolbar .select { width: auto; min-width: 170px; }

.table-wrap { overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-size: 12px; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: .05em;
  padding: 12px 16px; background: #fafbfb; border-bottom: 1px solid var(--line);
}
td { padding: 13px 16px; border-bottom: 1px solid var(--line-2); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #fafcfc; }
td.en { font-weight: 500; }
td.vi { color: var(--teal); font-weight: 600; }
td.note { color: var(--ink-2); font-size: 13px; max-width: 260px; }
td.actions { width: 84px; white-space: nowrap; text-align: right; }
.table-foot { padding: 12px 16px; color: var(--muted); font-size: 12.5px; border-top: 1px solid var(--line-2); }

.empty { text-align: center; padding: 56px 24px; }
.empty-icon {
  width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 16px;
  background: var(--teal-50); color: var(--teal); display: grid; place-items: center;
}
.empty-icon svg { width: 26px; height: 26px; }
.empty h3 { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
.empty p { margin: 0 auto; color: var(--ink-2); max-width: 420px; }

/* ---------- Dịch PDF ---------- */
.dropzone {
  border: 2px dashed #b9cdd0; border-radius: var(--radius); background: #fff;
  padding: 40px 24px; text-align: center; cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone.over { border-color: var(--teal); background: var(--teal-50); }
.dropzone .empty-icon { margin-bottom: 12px; }
.dropzone h3 { margin: 0; font-size: 16px; font-weight: 600; }
.dropzone p { margin: 4px 0 0; color: var(--ink-2); }

.opts { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin-top: 16px; }
.check { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; }
.check input { accent-color: var(--teal); width: 17px; height: 17px; margin-top: 3px; }
.check b { font-weight: 500; display: block; }
.check span { color: var(--muted); font-size: 12.5px; }

.jobs { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.job { padding: 16px 18px; }
.job-head { display: flex; align-items: center; gap: 12px; }
.job-icon { width: 38px; height: 38px; border-radius: 10px; background: var(--accent-50); color: #c2531f; display: grid; place-items: center; flex: none; }
.job-icon svg { width: 19px; height: 19px; }
.job-name { font-weight: 500; word-break: break-all; }
.job-status { font-size: 12.5px; color: var(--muted); }
.progress { height: 6px; border-radius: 99px; background: var(--line-2); margin-top: 12px; overflow: hidden; }
.progress > div { height: 100%; background: var(--teal); border-radius: 99px; width: 0; transition: width .3s; }
.progress.indet > div { width: 30%; animation: indet 1.3s infinite ease-in-out; }
@keyframes indet { from { margin-left: -30%; } to { margin-left: 100%; } }
.job-log {
  margin-top: 10px; max-height: 120px; overflow: auto; font-family: ui-monospace, monospace;
  font-size: 11.5px; background: #fafbfb; border: 1px solid var(--line-2); border-radius: 8px; padding: 8px 10px; color: var(--ink-2);
  white-space: pre-wrap;
}

/* ---------- Cài đặt ---------- */
.setting { display: flex; gap: 18px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line-2); }
.setting:last-child { border-bottom: 0; }
.setting-text { flex: 1; }
.setting-text b { font-weight: 600; display: block; }
.setting-text span { color: var(--ink-2); font-size: 13px; }
.code {
  font-family: ui-monospace, monospace; font-size: 12px; background: var(--line-2);
  padding: 2px 7px; border-radius: 6px; word-break: break-all; user-select: text; -webkit-user-select: text;
}

/* ---------- Modal + toast ---------- */
.modal-back {
  position: fixed; inset: 0; background: rgba(15, 35, 38, .38);
  display: grid; place-items: center; z-index: 40; padding: 20px;
  animation: fade .15s;
}
.modal { width: min(520px, 100%); padding: 26px 28px; box-shadow: var(--shadow-lg); animation: pop .18s ease-out; }
.modal h2 { margin: 0 0 18px; font-size: 19px; font-weight: 600; }
.modal .field + .field { margin-top: 12px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.98); } }

.toasts { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 60; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 12px;
  font-size: 13.5px; box-shadow: var(--shadow-lg); animation: pop .18s ease-out;
  display: flex; align-items: center; gap: 10px;
}
.toast.ok::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #5fd3a0; }
.toast.err::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #ff8a7a; }

/* ---------- Cửa sổ tra nhanh (popup) ---------- */
body.popup { background: #fff; }
.pop { display: flex; flex-direction: column; height: 100vh; }
.pop-head {
  display: flex; align-items: center; gap: 10px; padding: 12px 14px 12px 16px;
  border-bottom: 1px solid var(--line-2);
}
.pop-head .brand-mark { width: 30px; height: 30px; border-radius: 9px; font-size: 15px; }
.pop-head .brand-mark::after { width: 8px; height: 8px; right: -2px; top: -2px; }
.pop-head input { flex: 1; border: 0; outline: none; font-size: 15px; font-weight: 500; min-width: 0; background: transparent; }
.pop-body { flex: 1; overflow-y: auto; padding: 16px; }
.pop-term { font-size: 21px; font-weight: 600; line-height: 1.3; word-break: break-word; }
.pop .cand { padding: 9px 10px 9px 14px; }
.pop .cand .term-text { font-size: 14.5px; }
.pop-section { margin-top: 16px; }
.pop-foot {
  display: flex; gap: 8px; align-items: center; padding: 10px 14px;
  border-top: 1px solid var(--line-2); background: #fafbfb;
}
.pop-foot .select { width: auto; flex: 1; padding: 7px 10px; font-size: 13px; }

/* ---------- Cửa sổ hẹp ---------- */
@media (max-width: 960px) {
  .app { grid-template-columns: 76px 1fr; }
  .brand > div:last-child, .nav button { font-size: 0; }
  .brand { justify-content: center; padding-left: 0; padding-right: 0; }
  .nav button { justify-content: center; padding: 11px 0; }
  .nav button svg { width: 21px; height: 21px; }
  .nav .count, .sidebar-foot { display: none; }
  .page { padding: 26px 24px 50px; }
  .result { grid-template-columns: 1fr; }
  .save-card { position: static; }
  .empty-hero, .opts { grid-template-columns: 1fr; }
}

/* Chế độ câu: không có khung lưu bên phải thì cho kết quả rộng hết */
.result:has(> #save-card[hidden]) { grid-template-columns: 1fr; }

/* Bản web và bản app dùng chung một trang; phần nào chỉ có ở bản nào thì ẩn ở bản kia */
html:not(.web) [data-only="web"], html.web [data-only="app"] { display: none !important; }

/* Viền focus theo tông teal, chỉ hiện khi dùng bàn phím (Tab) */
button:focus, .cand:focus, .chip:focus { outline: none; }
button:focus-visible, .cand:focus-visible, .chip:focus-visible, a:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

/* ---------- Điện thoại (bản web) ---------- */
@media (max-width: 960px) {
  .brand > div:last-child { display: none; }
}
@media (max-width: 640px) {
  .app { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .sidebar { flex-direction: row; align-items: center; padding: 10px 14px; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand { padding: 0; }
  .brand-mark { width: 34px; height: 34px; font-size: 17px; border-radius: 10px; }
  .nav { flex-direction: row; margin-left: auto; gap: 2px; }
  .nav button { padding: 9px 11px; }
  .page { padding: 20px 16px 48px; }
  .page-head h1 { font-size: 22px; }
  .page-head.row { flex-wrap: wrap; }
  .search-box { padding: 6px 6px 6px 14px; gap: 6px; border-radius: 16px; }
  .search-box > svg { display: none; }
  .search-box input { font-size: 16px; }
  .dir-toggle { padding: 6px 9px; }
  .dir-toggle.auto::before { content: none; }
  .search-box .btn { padding: 10px 14px; }
  .result-term { font-size: 24px; }
  .cand { flex-wrap: wrap; row-gap: 4px; }
  .toolbar .search-mini { min-width: 100%; }
  .toolbar .select { flex: 1; }
  .table-wrap { overflow-x: auto; }
  .table-wrap table { min-width: 600px; }
  .card-pad { padding: 18px; }
}

/* Khung kéo thả là <label> (bấm vào để mở hộp chọn file) nên phải ép thành khối */
label.dropzone { display: block; }
/* Nút dạng link (Xem/Tải bản dịch) không gạch chân */
a.btn { text-decoration: none; }

/* =====================================================================
   Trình đọc song song: bản gốc | bản dịch, bấm từ để xem nghĩa
   ===================================================================== */
.reader {
  position: fixed; inset: 0; z-index: 50; background: #e9eeef;
  display: grid; grid-template-rows: auto 1fr;
  animation: fade .15s;
}
.reader-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(16, 40, 44, .02);
}
.reader-title { min-width: 0; flex: 1; display: flex; align-items: center; gap: 12px; }
.reader-title .brand-mark { width: 34px; height: 34px; font-size: 17px; border-radius: 10px; }
.reader-title .brand-mark::after { width: 8px; height: 8px; right: -2px; top: -2px; }
.reader-name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.reader-sub { font-size: 12px; color: var(--muted); }
.seg { display: inline-flex; background: var(--line-2); border-radius: 10px; padding: 3px; gap: 2px; }
.seg button {
  border: 0; background: transparent; padding: 6px 12px; border-radius: 8px; cursor: pointer;
  font-size: 13px; font-weight: 500; color: var(--ink-2);
}
.seg button.on { background: #fff; color: var(--teal); box-shadow: 0 1px 2px rgba(16,40,44,.12); }
.zoom { display: inline-flex; align-items: center; gap: 2px; background: var(--line-2); border-radius: 10px; padding: 3px; }
.zoom .icon-btn { width: 30px; height: 30px; }
.zoom span { min-width: 48px; text-align: center; font-size: 12.5px; font-weight: 600; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.reader-page-no { font-size: 13px; color: var(--ink-2); font-variant-numeric: tabular-nums; white-space: nowrap; }
.reader-tabs { display: none; }

.reader-scroll { overflow: auto; position: relative; }
.reader-cols-head {
  position: sticky; top: 0; z-index: 5;
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 10px 24px;
  background: rgba(233, 238, 239, .92); backdrop-filter: blur(6px);
}
.reader-cols-head > div { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.reader-cols-head .badge { font-size: 11px; }
.reader-rows { padding: 6px 24px 60px; display: flex; flex-direction: column; gap: 22px; }
.reader-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; justify-items: center; }
.reader-row .row-label {
  grid-column: 1 / -1; justify-self: center; font-size: 11.5px; font-weight: 600; color: var(--muted);
  letter-spacing: .04em; margin-bottom: -12px;
}
.pdf-page {
  position: relative; background: #fff; border-radius: 4px; overflow: hidden;
  box-shadow: 0 1px 3px rgba(16, 40, 44, .10), 0 8px 24px rgba(16, 40, 44, .08);
}
.pdf-page canvas { display: block; width: 100%; height: 100%; }
.pdf-page .textLayer span { cursor: pointer; }
.pdf-page .textLayer ::selection { background: rgba(0, 95, 105, .22); }
.pdf-page.loading::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, #f3f6f6 0%, #fbfcfc 50%, #f3f6f6 100%); background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
}
.word-mark {
  position: absolute; z-index: 2; pointer-events: none; border-radius: 3px;
  background: rgba(0, 95, 105, .18); box-shadow: 0 0 0 1.5px rgba(0, 95, 105, .55);
  animation: fade .12s;
}
.reader-loading { display: grid; place-items: center; padding: 80px 20px; color: var(--ink-2); text-align: center; }
.reader-loading .progress { width: 260px; margin: 14px auto 0; }
.reader-hint {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 55;
  display: flex; align-items: center; gap: 12px; background: var(--ink); color: #fff;
  padding: 10px 10px 10px 18px; border-radius: 14px; font-size: 13.5px; box-shadow: var(--shadow-lg);
  animation: pop .18s ease-out; max-width: calc(100vw - 32px);
}
.reader-hint .icon-btn { color: #cfd8da; width: 30px; height: 30px; }
.reader-hint .icon-btn:hover { background: rgba(255,255,255,.1); color: #fff; }

/* Thẻ nghĩa hiện cạnh từ vừa bấm */
.word-pop {
  position: fixed; z-index: 60; width: 340px; max-width: calc(100vw - 24px);
  background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-lg);
  animation: pop .14s ease-out; overflow: hidden;
}
.word-pop-head { padding: 14px 16px 10px; border-bottom: 1px solid var(--line-2); }
.word-pop-term { font-size: 18px; font-weight: 600; line-height: 1.3; word-break: break-word; }
.word-pop-meta { display: flex; gap: 8px; align-items: center; margin-top: 4px; flex-wrap: wrap; }
.word-pop-body { padding: 12px 16px; max-height: 320px; overflow: auto; }
.word-pop .cands { gap: 6px; }
.word-pop .cand { padding: 8px 10px 8px 12px; border-radius: 11px; cursor: pointer; }
.word-pop .cand .term-text { font-size: 14.5px; }
.word-pop .cand .src { font-size: 11px; }
.word-pop .saved-banner { margin: 0 0 10px; padding: 10px 12px; }
.word-pop-def { margin-top: 10px; font-size: 12.5px; color: var(--ink-2); }
.word-pop-def b { color: var(--teal); font-weight: 600; font-style: italic; }
.word-pop-foot { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--line-2); background: #fafbfb; }
.word-pop-foot .input { padding: 7px 10px; font-size: 13px; flex: 1; min-width: 0; }

@media (max-width: 860px) {
  .reader-bar { padding: 8px 12px; gap: 8px; }
  .reader-tabs { display: inline-flex; }
  .reader-cols-head { display: none; }
  .reader-rows { padding: 12px 10px 60px; gap: 16px; }
  .reader-row { grid-template-columns: 1fr; }
  .reader[data-show="original"] .pdf-page.tr, .reader[data-show="translated"] .pdf-page.orig { display: none; }
  .reader .zoom, .reader-sub { display: none; }
  .word-pop { left: 8px !important; right: 8px; bottom: 8px; top: auto !important; width: auto; max-width: none; border-radius: 18px; }
}
/* Luôn chừa chỗ cho thanh cuộn dọc để tính độ rộng trang không bị tràn ngang khi thanh cuộn xuất hiện */
.reader-scroll { scrollbar-gutter: stable; overflow-x: hidden; }
.reader-scroll.zoomed { overflow-x: auto; }

/* Trình đọc theo tông UEH: nền teal rất nhạt, nhãn và nút điểm teal */
.reader { background: #e6efef; }
.reader-cols-head { background: rgba(230, 239, 239, .94); border-bottom: 1px solid rgba(0, 95, 105, .08); }
.reader-cols-head > div { color: var(--teal); font-weight: 600; }
.reader-row .row-label { color: var(--teal); opacity: .75; }
.reader-bar .btn-outline { color: var(--teal); border-color: var(--teal-100); background: #fff; }
.reader-bar .btn-outline:hover { border-color: var(--teal); background: var(--teal-50); }
.reader-bar .zoom, .reader-bar .seg { background: var(--teal-50); }
.reader-bar .zoom span { color: var(--teal); }
.reader-bar .zoom .icon-btn { color: var(--teal); }
.reader-bar .zoom .icon-btn:hover { background: #fff; }
.reader-page-no { color: var(--teal); font-weight: 600; background: var(--teal-50); padding: 6px 12px; border-radius: 999px; }
.reader-sub { color: var(--ink-2); }
.pdf-page { box-shadow: 0 1px 3px rgba(0, 60, 66, .10), 0 10px 28px rgba(0, 60, 66, .10); }
.word-pop { border-color: var(--teal-100); box-shadow: 0 14px 44px rgba(0, 60, 66, .20); }
.word-pop-head { background: linear-gradient(180deg, var(--teal-50), #fff); }
.word-pop-term { color: var(--teal); }

/* =====================================================================
   Chọn đoạn -> nút "Dịch" nổi (kiểu Trancy), hiệu ứng "Đang dịch...",
   màn hình chờ dịch PDF ("Vui lòng chờ trong giây lát")
   ===================================================================== */
.sel-pill {
  position: fixed; z-index: 61; display: inline-flex; align-items: center; gap: 2px;
  background: var(--teal); color: #fff; border-radius: 999px; padding: 3px;
  box-shadow: 0 6px 20px rgba(0, 60, 66, .28); animation: pop .12s ease-out;
}
.sel-pill button {
  display: inline-flex; align-items: center; gap: 6px; border: 0; background: transparent; color: #fff;
  font-weight: 600; font-size: 13px; padding: 6px 12px; border-radius: 999px; cursor: pointer;
}
.sel-pill button:hover { background: rgba(255, 255, 255, .14); }
.sel-pill button svg { width: 15px; height: 15px; }
.sel-pill .mini-mark {
  width: 22px; height: 22px; border-radius: 7px; background: #fff; color: var(--teal);
  display: grid; place-items: center; font-weight: 700; font-size: 12px;
}
.sel-pill .sep { width: 1px; height: 18px; background: rgba(255,255,255,.25); }

/* Đang dịch... */
.tl-loading { padding: 4px 0 2px; }
.tl-loading-row { display: flex; align-items: center; gap: 10px; color: var(--teal); font-weight: 600; font-size: 13.5px; }
.tl-dots { display: inline-flex; gap: 4px; }
.tl-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); opacity: .25; animation: tl-dot 1s infinite ease-in-out; }
.tl-dots i:nth-child(2) { animation-delay: .15s; }
.tl-dots i:nth-child(3) { animation-delay: .3s; }
@keyframes tl-dot { 0%, 80%, 100% { opacity: .25; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }
.tl-lines { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.tl-lines span {
  display: block; height: 11px; border-radius: 6px;
  background: linear-gradient(90deg, var(--teal-50) 0%, #f7fbfb 50%, var(--teal-50) 100%); background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
}
.tl-lines span:nth-child(2) { width: 88%; }
.tl-lines span:nth-child(3) { width: 64%; }

/* Thẻ dịch cả đoạn */
.word-pop.wide { width: 460px; }
.word-pop .src-text {
  font-size: 12.5px; color: var(--muted); line-height: 1.55; max-height: 66px; overflow: hidden;
  -webkit-mask-image: linear-gradient(180deg, #000 60%, transparent); mask-image: linear-gradient(180deg, #000 60%, transparent);
}
.word-pop .tr-text { font-size: 15px; line-height: 1.65; color: var(--ink); user-select: text; -webkit-user-select: text; }
.word-pop .tr-label { font-size: 11.5px; font-weight: 600; color: var(--teal); letter-spacing: .04em; text-transform: uppercase; margin: 12px 0 4px; }
.word-pop .tools { display: flex; gap: 4px; }
.word-pop .tools .icon-btn { width: 30px; height: 30px; color: var(--teal); }
.word-pop .tools .icon-btn:hover { background: var(--teal-50); }

/* Màn hình chờ dịch PDF */
.wait-back {
  position: fixed; inset: 0; z-index: 45; background: rgba(0, 40, 44, .42);
  display: grid; place-items: center; padding: 20px; animation: fade .15s;
}
.wait-card { width: min(560px, 100%); padding: 30px 30px 24px; box-shadow: var(--shadow-lg); animation: pop .18s ease-out; }
.wait-head { display: flex; align-items: center; gap: 14px; }
.wait-spinner {
  width: 44px; height: 44px; border-radius: 50%; flex: none;
  border: 4px solid var(--teal-100); border-top-color: var(--teal); animation: spin .9s linear infinite;
}
.wait-card.done .wait-spinner { animation: none; border-color: var(--teal); background: var(--teal); }
@keyframes spin { to { transform: rotate(360deg); } }
.wait-title { font-size: 19px; font-weight: 600; }
.wait-file { font-size: 13px; color: var(--muted); word-break: break-all; }
.wait-total { margin-top: 22px; display: flex; justify-content: space-between; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.wait-total b { color: var(--teal); font-variant-numeric: tabular-nums; }
.wait-card .progress { height: 8px; margin-top: 8px; }
.wait-steps { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.wait-step { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); }
.wait-step .dot {
  width: 24px; height: 24px; border-radius: 50%; flex: none; display: grid; place-items: center;
  border: 2px solid var(--line); background: #fff; font-size: 11px; font-weight: 700; color: var(--muted);
}
.wait-step .dot svg { width: 14px; height: 14px; }
.wait-step .pct { margin-left: auto; font-size: 12.5px; font-variant-numeric: tabular-nums; }
.wait-step.active { color: var(--ink); font-weight: 500; }
.wait-step.active .dot { border-color: var(--teal); color: var(--teal); box-shadow: 0 0 0 4px var(--teal-50); }
.wait-step.done { color: var(--ink-2); }
.wait-step.done .dot { border-color: var(--teal); background: var(--teal); color: #fff; }
.wait-step.done .pct, .wait-step.active .pct { color: var(--teal); font-weight: 600; }
.wait-tip {
  margin-top: 22px; padding: 14px 16px; border-radius: 14px; background: var(--teal-50); border: 1px solid var(--teal-100);
  display: flex; gap: 12px; align-items: flex-start; min-height: 74px;
}
.wait-tip svg { width: 20px; height: 20px; color: var(--teal); flex: none; margin-top: 2px; }
.wait-tip b { display: block; color: var(--teal); font-size: 12.5px; letter-spacing: .03em; text-transform: uppercase; }
.wait-tip span { font-size: 13.5px; color: var(--ink-2); animation: fade .3s; }
.wait-foot { margin-top: 18px; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.wait-foot .note { font-size: 12px; color: var(--muted); }

/* Màn hình chờ theo mẫu user gửi (ghi đè bản trước) */
.wait-card { padding: 30px 32px 22px; border-radius: 22px; }
.wait-title { font-size: 26px; font-weight: 700; letter-spacing: -.01em; color: var(--ink); }
.wait-sub { margin-top: 4px; font-size: 15px; color: var(--ink-2); min-height: 22px; }
.wait-file { margin-top: 12px; display: inline-flex; align-items: center; gap: 8px; max-width: 100%;
  font-size: 12.5px; color: var(--muted); background: var(--line-2); padding: 4px 10px; border-radius: 999px; }
.wait-file svg { width: 14px; height: 14px; flex: none; }
.wait-file span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wait-total-label { margin-top: 22px; font-size: 13px; color: var(--muted); }
.wait-bar-row { margin-top: 8px; display: flex; align-items: center; gap: 14px; }
.wait-bar-row .progress { flex: 1; height: 12px; margin: 0; background: var(--teal-50); }
.wait-bar-row .progress > div { background: linear-gradient(90deg, #0a7a86, var(--teal)); transition: width .5s ease; }
.wait-pct { color: var(--teal); font-size: 15px; font-variant-numeric: tabular-nums; min-width: 46px; text-align: right; }
.wait-steps { margin-top: 18px; gap: 12px; }
.wait-step { gap: 14px; font-size: 15px; color: #a3aeb1; }
.wait-ico { width: 24px; height: 24px; flex: none; display: grid; place-items: center; border-radius: 50%; border: 2px solid var(--line); }
.wait-ico svg { width: 24px; height: 24px; }
.wait-step.done { color: var(--ink); }
.wait-step.done .wait-ico { border: 0; color: var(--teal); }
.wait-step.active { color: var(--ink); font-weight: 600; }
.wait-step.active .wait-ico { border: 2.5px dashed var(--teal); animation: spin 1.6s linear infinite; }
.wait-step.failed { color: var(--danger); }
.wait-step.failed .wait-ico { border: 0; color: var(--danger); }
.wait-card.done .wait-title { color: var(--teal); }
.wait-card.failed .wait-title { color: var(--danger); }
.wait-tip { margin-top: 26px; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 16px; min-height: 0; }
.wait-tip-ico { width: 38px; height: 38px; flex: none; border-radius: 12px; background: #fff; display: grid; place-items: center; color: var(--teal); }
.wait-tip-ico svg { width: 20px; height: 20px; margin: 0; }
.wait-tip-title { font-weight: 600; font-size: 14.5px; color: var(--ink); }
.wait-tip-text { font-size: 13px; color: var(--ink-2); margin-top: 2px; animation: fade .35s; }
.wait-tip .badge { align-self: flex-start; }
@media (max-width: 560px) {
  .wait-card { padding: 24px 20px 18px; }
  .wait-title { font-size: 22px; }
  .wait-tip { flex-wrap: wrap; }
}
.wait-meta { margin-top: 12px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.wait-meta .wait-file { margin-top: 0; }
.wait-detail { font-size: 12.5px; color: var(--teal); font-weight: 500; }

/* Lớp chữ của PDF phải bôi chọn được (body đang tắt user-select cho giao diện) */
.reader .textLayer, .reader .textLayer span { user-select: text; -webkit-user-select: text; }
.word-pop .tr-text, .word-pop .src-text, .word-pop .term-text { user-select: text; -webkit-user-select: text; }