:root {
  --bg: #f7fafa;
  --surface: #ffffff;
  --border: #dde6e7;
  --border-strong: #c6d4d6;
  --text: #1d2426;
  --text-muted: #7d8d90;
  --accent: #0891b2;
  --accent-strong: #0e7490;
  --chip-bg: #e9f0f1;
  --chip-active-bg: #1d2426;
  --chip-active-text: #f7fafa;
  --danger: #c4442f;
  --shadow: 0 1px 3px rgba(23, 38, 41, 0.08), 0 4px 14px rgba(23, 38, 41, 0.06);
  --shadow-lift: 0 2px 6px rgba(23, 38, 41, 0.10), 0 10px 28px rgba(23, 38, 41, 0.12);
  --radius: 14px;
  color-scheme: light;
}

/* Тёмная тема включается либо системной настройкой (если пользователь не выбирал
   тему вручную), либо атрибутом data-theme, который ставит переключатель в шапке.
   Наборы токенов ниже должны совпадать. */

:root[data-theme="dark"] {
  --bg: #181b1c;
  --surface: #232728;
  --border: #353b3d;
  --border-strong: #464e50;
  --text: #e8eced;
  --text-muted: #93a0a3;
  --accent: #0891b2;
  --accent-strong: #06b6d4;
  --chip-bg: #2d3335;
  --chip-active-bg: #e8eced;
  --chip-active-text: #181b1c;
  --danger: #e06a55;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-lift: 0 6px 24px rgba(0, 0, 0, 0.5);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #181b1c;
    --surface: #232728;
    --border: #353b3d;
    --border-strong: #464e50;
    --text: #e8eced;
    --text-muted: #93a0a3;
    --accent: #0891b2;
    --accent-strong: #06b6d4;
    --chip-bg: #2d3335;
    --chip-active-bg: #e8eced;
    --chip-active-text: #181b1c;
    --danger: #e06a55;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-lift: 0 6px 24px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* ---------- шапка ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 18px;
}

.logo {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.search-field {
  flex: 1;
  min-width: 60px;
  max-width: 480px;
  margin-left: 8px;
  padding: 8px 16px;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--chip-bg);
  border: 1px solid transparent;
  border-radius: 999px;
}

.search-field::placeholder { color: var(--text-muted); }

.search-field:focus {
  outline: none;
  background: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

mark.hl {
  background: color-mix(in srgb, var(--accent) 30%, transparent);
  color: inherit;
  border-radius: 3px;
  padding: 0 1px;
}

.topbar-controls {
  margin-left: auto;
  display: flex;
  gap: 6px;
}

.icon-btn {
  height: 34px;
  min-width: 38px;
  padding: 0 8px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.icon-btn:hover { background: var(--chip-bg); border-color: var(--border-strong); }

.lang-btn {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
}

.logout-btn { font-size: 13px; }

.chpass-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

@media (max-width: 600px) {
  .chpass-text { display: none; } /* на телефоне остаётся только иконка 🔑 */
}

.user-name {
  align-self: center;
  font-size: 14px;
  font-weight: 600;
  margin-right: 4px;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- экран входа ---------- */

.auth-view {
  display: flex;
  justify-content: center;
  padding: 10vh 16px 0;
}

.auth-card {
  width: min(380px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.auth-card h2 {
  margin: 0 0 18px;
  font-size: 20px;
  text-align: center;
}

.auth-submit {
  width: 100%;
  margin-top: 4px;
}

.auth-switch {
  margin: 16px 0 0;
  text-align: center;
  font-size: 13.5px;
  color: var(--text-muted);
}

.link-btn {
  border: none;
  background: none;
  padding: 0;
  font: inherit;
  color: var(--accent-strong);
  cursor: pointer;
}

.link-btn:hover { text-decoration: underline; }

.auth-switch#authForgotRow { margin-top: 6px; }

/* ---------- коды восстановления ---------- */

.codes-intro {
  margin: -6px 0 14px;
  font-size: 13.5px;
  color: var(--text-muted);
}

.codes-list {
  font-family: ui-monospace, Consolas, "Cascadia Mono", monospace;
  font-size: 16px;
  letter-spacing: 0.5px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 16px;
  line-height: 1.9;
  user-select: all;
}

/* ---------- панель тегов ---------- */

.tagbar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 24px 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tagbar:empty { padding: 0; }

.tag-chip {
  border: 1px solid var(--border);
  background: var(--chip-bg);
  color: var(--text);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13.5px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.tag-chip:hover { border-color: var(--border-strong); }

.tag-chip.active {
  background: var(--chip-active-bg);
  color: var(--chip-active-text);
  border-color: var(--chip-active-bg);
}

.tag-chip .count {
  opacity: 0.55;
  margin-left: 5px;
  font-size: 12px;
}

/* правый блок панели тегов: И/ИЛИ, мультивыбор, сброс */

.tagbar-controls {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.op-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--chip-bg);
}

.op-btn {
  border: none;
  background: transparent;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 12px;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.op-btn.active {
  background: var(--accent);
  color: #fff;
}

/* ---------- сетка заметок ---------- */

.content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 24px 96px;
}

.grid {
  columns: 5 240px;
  column-gap: 16px;
}

.card {
  break-inside: avoid;
  margin-bottom: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: box-shadow 0.15s, transform 0.15s, opacity 0.15s;
}

.card:hover {
  box-shadow: var(--shadow-lift);
  transform: translateY(-1px);
}

.card.read { opacity: 0.55; }

.card-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.card.read .card-title { text-decoration: line-through; text-decoration-thickness: 1px; }

.card-body {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--text);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-line-clamp: 10;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.mini-tag {
  font-size: 12px;
  background: var(--chip-bg);
  border-radius: 999px;
  padding: 2px 10px;
  color: var(--text-muted);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.card-extras {
  display: flex;
  align-items: center;
  gap: 6px;
}

.empty {
  text-align: center;
  color: var(--text-muted);
  padding: 80px 20px;
  font-size: 16px;
}

/* ---------- секции (закреплённые / остальные) ---------- */

.section-label {
  margin: 4px 2px 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---------- пин на карточке ---------- */

.card { position: relative; }

.pin-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  border: none;
  background: transparent;
  font-size: 15px;
  line-height: 1;
  padding: 5px;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  filter: grayscale(1);
  transition: opacity 0.15s, filter 0.15s;
}

.card:hover .pin-btn { opacity: 0.5; }
.pin-btn:hover { opacity: 1 !important; background: var(--chip-bg); }
.pin-btn.active { opacity: 0.9; filter: none; }

.card .card-title { padding-right: 24px; }

/* ---------- срок (due date) ---------- */

.due-chip {
  font-size: 12px;
  border-radius: 999px;
  padding: 1px 9px;
  background: var(--chip-bg);
  color: var(--text-muted);
  white-space: nowrap;
}

.due-chip.today {
  background: color-mix(in srgb, #d97706 15%, var(--surface));
  color: #d97706;
}

.due-chip.overdue {
  background: color-mix(in srgb, var(--danger) 12%, var(--surface));
  color: var(--danger);
}

.due-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.due-row label {
  font-size: 14px;
  color: var(--text-muted);
}

.due-field {
  width: auto;
  margin-bottom: 0;
  padding: 7px 10px;
}

/* ---------- вложения ---------- */

.attach-block { margin-bottom: 12px; }

.attach-list:not(:empty) { margin-bottom: 8px; }

.attach-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  padding: 4px 0;
}

.attach-row .attach-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.attach-row .attach-size { color: var(--text-muted); flex-shrink: 0; }

.attach-row button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.attach-row button:hover { color: var(--danger); }

.view-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.view-attachments:empty { margin: 0; }

.attach-thumb {
  display: block;
  max-width: 150px;
  max-height: 150px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.attach-file {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  color: var(--text);
  text-decoration: none;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 7px 12px;
  max-width: 100%;
}

.attach-file:hover { border-color: var(--border-strong); }

.attach-file .attach-size { color: var(--text-muted); }

/* ---------- разделитель прочитанных ---------- */

.read-divider {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin: 10px 0 16px;
  padding: 6px 0;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-muted);
  font: inherit;
  font-size: 13.5px;
}

.read-divider:hover { color: var(--text); }

.read-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.read-divider .chevron {
  display: inline-block;
  font-size: 12px;
  transition: transform 0.15s;
}

.read-divider.collapsed .chevron { transform: rotate(-90deg); }

/* ---------- кнопка добавления ---------- */

.fab {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 32px;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-lift);
  transition: background 0.15s, transform 0.15s;
}

.fab:hover { background: var(--accent-strong); transform: scale(1.06); }

/* ---------- модалки ---------- */

.modal {
  width: min(560px, calc(100vw - 32px));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-lift);
}

.modal::backdrop { background: rgba(10, 16, 18, 0.45); }

.modal h2 {
  margin: 0 0 16px;
  font-size: 19px;
  overflow-wrap: anywhere;
  padding-right: 28px;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-muted);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.modal-close:hover { background: var(--chip-bg); color: var(--text); }

.field {
  display: block;
  width: 100%;
  margin-bottom: 12px;
  padding: 10px 12px;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  resize: vertical;
}

.field:focus, #tagInput:focus {
  outline: none;
}

.field:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.form-error {
  color: var(--danger);
  font-size: 13.5px;
  margin: 0 0 10px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 6px;
}

.view-actions { margin-top: 20px; }
.spacer { flex: 1; }

.btn {
  font: inherit;
  font-size: 14.5px;
  padding: 9px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn:hover { background: var(--chip-bg); border-color: var(--border-strong); }

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

.btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }

.btn-danger {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 40%, var(--border));
}

.btn-danger:hover {
  background: color-mix(in srgb, var(--danger) 10%, var(--surface));
  border-color: var(--danger);
}

/* ---------- редактор тегов ---------- */

.tag-editor {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  margin-bottom: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: text;
}

.tag-editor:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.tag-editor-chips {
  display: contents;
}

.edit-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--chip-bg);
  border-radius: 999px;
  padding: 3px 6px 3px 12px;
  font-size: 13px;
}

.edit-chip button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 50%;
}

.edit-chip button:hover { color: var(--danger); }

#tagInput {
  flex: 1;
  min-width: 120px;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  padding: 4px 2px;
}

.tag-suggest {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  z-index: 5;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-lift);
  max-height: 180px;
  overflow-y: auto;
}

.tag-suggest button {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  padding: 8px 14px;
  cursor: pointer;
}

.tag-suggest button:hover { background: var(--chip-bg); }

/* ---------- просмотр заметки ---------- */

.view-meta {
  margin: -8px 0 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.view-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.view-tags:empty { margin: 0; }

.view-body {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 15px;
  max-height: 55vh;
  overflow-y: auto;
}

.view-body:empty { display: none; }

.view-body a { color: var(--accent-strong); }

/* ---------- тост ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  background: var(--chip-active-bg);
  color: var(--chip-active-text);
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  box-shadow: var(--shadow-lift);
  z-index: 100;
  max-width: calc(100vw - 40px);
}

.hidden { display: none !important; }

@media (max-width: 600px) {
  .topbar-inner, .tagbar, .content { padding-left: 14px; padding-right: 14px; }
  .fab { right: 18px; bottom: 18px; }
}