:root {
  --arabic-size: 34px;
  --translation-size: 15px;
  --gap-word: 10px;
  --gap-line: 14px;
  --columns: 4;
  --bg: #f6f8fa;
  --panel: #ffffff;
  --border: #d0d7de;
  --text: #24292f;
  --muted: #57606a;
  --primary: #0969da;
  --danger: #cf222e;
  --orange: #b35900;
}

@font-face {
  font-family: 'HadithArabic';
  src: local('Amiri'),
       local('Noto Naskh Arabic'),
       local('Scheherazade New'),
       local('Traditional Arabic'),
       local('Sakkal Majalla'),
       url('/fonts/arabic-amiri.woff2') format('woff2');
  font-display: swap;
  unicode-range: U+0600-06FF, U+FB50-FDFF, U+FE70-FEFF;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.hidden { display: none !important; }

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}

.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.auth-card h1 {
  margin: 0 0 16px;
  font-size: 22px;
  text-align: center;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.tab {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--border);
  background: #f6f8fa;
  border-radius: 8px;
  cursor: pointer;
}

.tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

.auth-form input,
select,
input[type="number"],
input[type="text"],
input[type="password"],
textarea {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
}

textarea {
  width: 100%;
  resize: vertical;
}

.btn {
  border: 1px solid var(--border);
  background: #f6f8fa;
  color: var(--text);
  border-radius: 8px;
  padding: 9px 12px;
  cursor: pointer;
  font-size: 14px;
}

.btn:hover { background: #eef1f4; }

.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.btn.ghost {
  background: transparent;
}

.message {
  font-size: 13px;
  color: var(--muted);
  min-height: 18px;
}

.hint {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 8px;
}

.app-screen { min-height: 100vh; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #24292f;
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
}

.topbar-left,
.topbar-center,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.topbar select {
  max-width: 240px;
}

.topbar .btn {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.16);
  color: #fff;
}

.topbar .btn:hover {
  background: rgba(255,255,255,0.16);
}

.topbar .btn.primary { background: var(--primary); border-color: var(--primary); }
.topbar .btn.danger { background: var(--danger); border-color: var(--danger); }

#hadithRange { width: 180px; }
#hadithOutput { min-width: 70px; font-size: 14px; }

.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 12px 80px;
}

.lines-container {
  direction: rtl;
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-word);
  padding: 8px 0;
}

.chapter-header,
.hadith-header {
  flex: 1 1 100%;
  direction: ltr;
  text-align: left;
  font-weight: 700;
  margin-bottom: var(--gap-line);
  padding: 8px 10px;
  border-radius: 8px;
  background: #eef2f6;
  border: 1px solid var(--border);
}

.chapter-header {
  background: #fff3cd;
  border-color: #ffe08a;
}

.word-card {
  flex: 1 1 calc((100% - (var(--columns) - 1) * var(--gap-word)) / var(--columns));
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 6px;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: box-shadow .15s ease, transform .05s ease, border-color .15s ease, background .15s ease;
  content-visibility: auto;
  contain-intrinsic-size: auto 120px;
  overflow-wrap: anywhere;
}

.word-card:hover {
  box-shadow: 0 4px 14px rgba(0,0,0,0.06);
}

.word-card:active {
  transform: translateY(1px);
}

.word-card.is-active {
  border-color: var(--orange);
  background: #fff8f1;
}

.word-card.chapter-card {
  background: #fffaf0;
}

.arabic {
  font-family: 'HadithArabic', "Sakkal Majalla", "Simplified Arabic", "Calibri", "Amiri", serif;
  font-size: var(--arabic-size);
  line-height: 1.45;
  margin-bottom: 6px;
  word-break: break-word;
}

.translations {
  direction: ltr;
  display: none;
  text-align: center;
  font-size: var(--translation-size);
}

.word-card.is-open .translations {
  display: block;
}

.translation-item {
  margin: 2px 0;
  line-height: 1.25;
}

.translation-item.primary {
  color: var(--orange);
  font-weight: 700;
}

.translation-item.secondary {
  color: #586069;
  font-style: italic;
}

.translation-item.other {
  color: #24292f;
}

.translation-item.lang-hidden {
  display: none !important;
}

.meta {
  display: none;
  margin-top: 4px;
  font-size: 10px;
  color: #8b949e;
}

.word-card.is-open .meta {
  display: block;
}

.meta.lang-hidden {
  display: none !important;
}

.lines-container.frameless {
  display: block;
  text-align: right;
}

.lines-container.frameless .word-card {
  display: inline-block;
  vertical-align: top;
  flex: 0 1 auto;
  min-width: 0;
  border: none;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  padding: 0 3px;
  margin: 0 0 var(--gap-line) 0;
  text-align: center;
}

.lines-container.frameless .word-card:hover {
  box-shadow: none;
}

.lines-container.frameless .word-card:active {
  transform: none;
}

.lines-container.frameless .word-card.is-active {
  background: rgba(179, 89, 0, 0.08);
  border-radius: 4px;
}

.lines-container.frameless .arabic {
  margin-bottom: 2px;
}

.loader,
.empty {
  text-align: center;
  padding: 16px;
  color: var(--muted);
}

.loader.is-error { color: var(--danger); }

.load-sentinel { height: 1px; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
}

.modal {
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow: auto;
  background: var(--panel);
  border-radius: 14px;
  padding: 18px;
  position: relative;
  box-shadow: 0 16px 40px rgba(0,0,0,0.2);
}

.modal.wide { max-width: 980px; }

.modal h2 { margin-top: 0; }

.modal-close {
  position: absolute;
  top: 8px;
  right: 10px;
  border: none;
  background: transparent;
  font-size: 24px;
  cursor: pointer;
  color: var(--muted);
}

.setting-section {
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-top: 12px;
}

.setting-section:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.field-row label {
  flex: 1;
  font-size: 14px;
}

.field-row input {
  width: 90px;
}

.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.list,
.table-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  background: #fbfbfb;
}

.admin-row span { min-width: 120px; }

.manage-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.manage-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: #fff;
}

.manage-table th,
.manage-table td {
  border: 1px solid var(--border);
  padding: 6px;
  vertical-align: top;
  text-align: left;
}

.manage-table th {
  background: #f6f8fa;
  white-space: nowrap;
}

.manage-table input,
.manage-table textarea {
  width: 100%;
  min-width: 90px;
  padding: 6px 8px;
  font-size: 13px;
}

.manage-table textarea {
  min-height: 52px;
}

.manage-table .arabic-cell {
  min-width: 160px;
}

.manage-table .actions-cell {
  white-space: nowrap;
  width: 1%;
  text-align: center;
  padding: 6px 4px;
}

.manage-table .num-cell {
  white-space: nowrap;
  width: 1%;
  color: var(--muted);
}

#manageTableWrap {
  display: block;
  overflow-x: auto;
  /* место под нижнюю «+» последней строки */
  padding-bottom: 14px;
}

.btn.icon {
  padding: 4px 7px;
  font-size: 15px;
  line-height: 1.2;
  min-width: 32px;
  min-height: 32px;
}

/* Левая служебная колонка с кнопками вставки строк */
.manage-table th.gutter-cell,
.manage-table td.gutter-cell {
  border: none;
  background: transparent;
  padding: 0;
  width: 28px;
  min-width: 28px;
  position: relative;
}

.insert-btn {
  position: absolute;
  left: 3px;
  top: -11px;
  z-index: 1;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: #fff;
  color: var(--muted);
  font-size: 16px;
  line-height: 18px;
  text-align: center;
  cursor: pointer;
  opacity: 0.45;
  touch-action: manipulation;
  transition: opacity 0.15s, background 0.15s, color 0.15s, border-color 0.15s;
}

/* Невидимое поле вокруг кнопки — удобнее попадать пальцем */
.insert-btn::before {
  content: "";
  position: absolute;
  inset: -8px;
}

.insert-btn:hover,
.insert-btn:focus-visible {
  opacity: 1;
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

@media (hover: none) {
  .insert-btn { opacity: 0.7; }
}

.insert-btn.insert-after {
  top: auto;
  bottom: -12px;
  display: none;
}

.manage-table tbody tr:last-child .insert-btn.insert-after {
  display: block;
}

.manage-sticky {
  position: sticky;
  top: -18px;
  z-index: 3;
  background: var(--panel);
  padding-bottom: 6px;
  margin-top: -2px;
}

.manage-status {
  margin-top: 8px;
  min-height: 22px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.manage-status.is-ok { color: #1a7f37; }
.manage-status.is-error { color: var(--danger); font-weight: 600; }

.manage-table tr.row-dirty td:not(.gutter-cell) {
  background: #fffbe6;
}

.manage-table tr.row-error td:not(.gutter-cell) {
  background: #fff0f0;
}

.manage-table input.invalid {
  border-color: var(--danger);
  background: #fff0f0;
  outline: 2px solid rgba(207, 34, 46, 0.25);
}

.edit-language-block {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  margin-bottom: 8px;
  background: #fbfbfb;
}

.edit-language-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.edit-language-head strong {
  font-size: 14px;
}

@media (max-width: 760px) {
  .topbar {
    padding: 8px 10px;
  }

  .topbar-center {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  #hadithRange { flex: 1; width: auto; }

  .main { padding: 12px 8px 60px; }

  .modal { padding: 16px; }

  .manage-table input,
  .manage-table textarea {
    min-width: 110px;
  }
}

.topbar .btn.is-on {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

#toggleActiveBtn {
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  touch-action: manipulation;
}

.btn.mini {
  padding: 1px 6px;
  font-size: 11px;
  line-height: 1.4;
}

.manage-table .draft-row td:not(.gutter-cell) {
  background: #fff8f1;
}

.btn.icon.danger {
  background: #fff;
  border-color: var(--border);
  color: var(--danger);
}

.btn.icon.danger:hover {
  background: #ffebe9;
  border-color: var(--danger);
}

/* Индикатор сети в шапке */
.net-status {
  font-size: 12px;
  line-height: 1.3;
  padding: 3px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.net-status.is-offline {
  background: #fff1e5;
  color: var(--orange);
}

.net-status.is-sync {
  background: #ddf4ff;
  color: var(--primary);
}

/* Пометка «офлайн-копия» над уроком */
.offline-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  padding: 6px 10px;
  border: 1px dashed var(--orange);
  border-radius: 8px;
  background: #fff8f1;
  color: var(--orange);
  font-size: 13px;
}

@media (max-width: 760px) {
  .net-status { white-space: normal; }
}