/* FITFILIP canonical UI layer. Source: 30-Проект/FITFILIP/00-Визуальный-стандарт-FITFILIP.md, 2026-09-24. */
:root,
:root[data-theme="light"] {
  color-scheme: light;
  --ink: #19191A;
  --ink-soft: #676767;
  --ink-faint: #676767;
  --paper: #F1F1F1;
  --surface: #F1F1F1;
  --surface-raised: #F1F1F1;
  --panel: hsl(0 0% 87% / 50%);
  --well: hsl(0 0% 87% / 50%);
  --field: transparent;
  --line: #D7D7D7;
  --line-strong: #D7D7D7;
  --accent: #000000;
  --accent-dark: #F8604A;
  --accent-soft: transparent;
  --ok: #676767;
  --ok-soft: hsl(0 0% 87% / 50%);
  --warn-soft: hsl(0 0% 87% / 50%);
  --warn-text: #676767;
  --yellow: #676767;
  --blue: #676767;
  --solid: #000000;
  --solid-text: #FFFFFF;
  --solid-hover: #000000;
  --solid-active: #000000;
  --solid-badge: rgb(255 255 255 / 20%);
  --hero-surface: #F1F1F1;
  --hero-text: #19191A;
  --hero-text-soft: #676767;
  --surface-soft: hsl(0 0% 87% / 50%);
  --topbar: #F1F1F1;
  --overlay: rgb(0 0 0 / 50%);
  --hover-fill: rgb(0 0 0 / 5%);
  --pressed-fill: rgb(0 0 0 / 10%);
  --button-hover-layer: #0000000d;
  --button-pressed-layer: #0000001a;
  --focus-soft: rgb(0 0 0 / 5%);
  --border-hover: hsl(240 0.55% 64.12% / 100%);
  --page-glow: transparent;
  --attention-line: #D7D7D7;
  --danger: #F8604A;
  --semantic-critical: #F8604A;
  --semantic-critical-soft: rgb(248 96 74 / 10%);
  --semantic-warning: #E8BD4B;
  --semantic-warning-soft: rgb(232 189 75 / 16%);
  --semantic-info: #79ACC4;
  --semantic-info-soft: rgb(121 172 196 / 16%);
  --semantic-success: #5ED48A;
  --semantic-success-soft: rgb(94 212 138 / 14%);
  --shadow-card: none;
  --radius: 12px;
  --control-sm: 40px;
  --control-md: 48px;
  --control-lg: 48px;
  --motion-fast: 150ms;
  --focus-ring: #19191A;
  --font-sans: "Onest", -apple-system, Roboto, Oxygen, Ubuntu, "Open Sans", sans-serif;
  --font-mono: var(--font-sans);
}

/* Dark mode is a semantic inversion of the canonical FITFILIP light system.
   It keeps the same typography, geometry and component hierarchy; only theme roles change. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f4f4f1;
  --ink-soft: #a5a7af;
  --ink-faint: #91949e;
  --paper: #0c0d10;
  --surface: #15161a;
  --surface-raised: #1b1d22;
  --panel: #1a1c21;
  --well: #24262c;
  --field: #181a1f;
  --line: #2d3037;
  --line-strong: #41454f;
  --accent: #ff705d;
  --accent-dark: #ff9588;
  --accent-soft: rgba(255, 112, 93, .14);
  --ok: #5ed48a;
  --ok-soft: rgba(94, 212, 138, .13);
  --warn-soft: rgba(242, 201, 76, .14);
  --warn-text: #f1ca64;
  --yellow: #e8bd4b;
  --blue: #79acc4;
  --solid: #f4f4f1;
  --solid-text: #111216;
  --solid-hover: #deded9;
  --solid-active: #cacac4;
  --solid-badge: rgba(17, 18, 22, .1);
  --hero-surface: #08090c;
  --hero-text: #ffffff;
  --hero-text-soft: #a9abb3;
  --surface-soft: rgba(255, 255, 255, .035);
  --topbar: rgba(12, 13, 16, .84);
  --overlay: rgba(0, 0, 0, .68);
  --hover-fill: rgba(255, 255, 255, .07);
  --pressed-fill: rgba(255, 255, 255, .12);
  --button-hover-layer: rgba(255, 255, 255, .07);
  --button-pressed-layer: rgba(255, 255, 255, .12);
  --focus-soft: rgba(255, 255, 255, .11);
  --border-hover: #686d78;
  --page-glow: transparent;
  --attention-line: rgba(255, 112, 93, .42);
  --danger: #ff7e70;
  --semantic-critical: #ff7e70;
  --semantic-critical-soft: rgba(255, 126, 112, .14);
  --semantic-warning: #e8bd4b;
  --semantic-warning-soft: rgba(242, 201, 76, .14);
  --semantic-info: #79acc4;
  --semantic-info-soft: rgba(121, 172, 196, .14);
  --semantic-success: #5ed48a;
  --semantic-success-soft: rgba(94, 212, 138, .13);
  --shadow-card: none;
  --focus-ring: rgba(248, 96, 74, .34);
}

html, body { background: var(--paper); }
body {
  background-image: none;
  color: var(--ink);
  font-size: 14px;
  line-height: 18px;
  font-weight: 400;
}

::selection { background: var(--solid); color: var(--solid-text); }
button, a, input, select, textarea { outline-offset: 2px; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--focus-ring);
}

.eyebrow,
.nav-label,
.home-card-copy small,
.detail-label {
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 16px;
  font-weight: 500;
  letter-spacing: normal;
  text-transform: none;
}

.button {
  min-height: var(--control-sm);
  border-radius: 12px;
  padding: 0 16px;
  font-size: 14px;
  line-height: 16px;
  font-weight: 500;
  transition: background-color var(--motion-fast) cubic-bezier(.4,0,.2,1), border-color var(--motion-fast) cubic-bezier(.4,0,.2,1), color var(--motion-fast) cubic-bezier(.4,0,.2,1);
}
.button.primary,
.button.ink { border: 1px solid var(--solid); background: var(--solid); color: var(--solid-text); }
.button.secondary { border: 1px solid var(--line); background: transparent; color: var(--ink); }
.button.danger { border: 1px solid var(--danger); background: transparent; color: var(--danger); }
.button:hover { box-shadow: none; background-image: linear-gradient(0deg,var(--button-hover-layer) 0%,var(--button-hover-layer) 100%); }
.button:active { box-shadow: none; background-image: linear-gradient(0deg,var(--button-pressed-layer) 0%,var(--button-hover-layer) 100%); }
.button.primary:hover, .button.ink:hover { background-color: var(--solid-hover); }
.button.primary:active, .button.ink:active { background-color: var(--solid-active); }
.form-stack .button,
.telegram-login-primary { min-height: var(--control-md); border-radius: 16px; font-size: 16px; line-height: 18px; }

input, select, textarea {
  min-height: var(--control-md);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: transparent;
  color: var(--ink);
  padding: 0 16px;
  font-size: 16px;
  line-height: 18px;
}
textarea { padding-block: 12px; }
input:focus, select:focus, textarea:focus { border-color: var(--border-hover); box-shadow: none; outline: 2px solid var(--focus-ring); outline-offset: 2px; }
input::placeholder, textarea::placeholder { color: hsl(240 0.55% 64.12% / 100%); }

.ui-icon { flex: 0 0 auto; }
.icon-button,
.sidebar-toggle,
.board-add-button,
.board-edit-button {
  min-width: 40px;
  min-height: 40px;
  width: auto;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: transparent;
  color: var(--ink);
  padding: 0 10px;
  font-size: 12px;
  line-height: 16px;
  font-weight: 500;
  box-shadow: none;
}
.icon-button:hover,
.sidebar-toggle:hover,
.board-add-button:hover,
.board-edit-button:hover { background: var(--hover-fill); border-color: var(--border-hover); box-shadow: none; }

.theme-toggle {
  width: 88px;
  min-width: 88px;
  min-height: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 3px;
  background: transparent;
  color: var(--ink);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  box-shadow: none;
  cursor: pointer;
}
.theme-toggle:hover { border-color: var(--border-hover); box-shadow: none; }
.theme-toggle:active { background: var(--pressed-fill); box-shadow: none; }
.theme-toggle-option {
  min-width: 0;
  height: 32px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--ink-soft);
  background: transparent;
  transition: background-color var(--motion-fast) cubic-bezier(.4,0,.2,1), color var(--motion-fast) cubic-bezier(.4,0,.2,1);
}
.theme-toggle-option .ui-icon { width: 16px; height: 16px; color: currentColor; }
.theme-toggle[data-active-theme="light"] .theme-toggle-light,
.theme-toggle[data-active-theme="dark"] .theme-toggle-dark {
  background: var(--solid);
  color: var(--solid-text);
}
.login-theme-toggle { top: 20px; right: 0; }
.topbar-theme-toggle { width: 88px; padding: 3px; }
.mobile-menu { width: 40px; padding: 0; }
.mobile-menu .ui-icon { width: 24px; height: 24px; }

/* Login is a native-looking form, not a separate dark SaaS hero. */
.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: start;
  gap: 16px;
  padding: 20px 16px;
  background: var(--paper);
}
.login-story { display: none; }
.login-card {
  grid-column: 5 / 9;
  width: 100%;
  background: transparent;
  background-image: none;
  border: 0;
  padding: 20px 0;
  box-shadow: none;
}
.login-card h2 { margin: 0; font-size: 28px; line-height: 32px; font-weight: 600; letter-spacing: normal; }
.login-card > p:not(.eyebrow), .auth-form-copy, .telegram-login-hint { color: var(--ink-soft); line-height: 18px; }
.auth-tabs { border: 1px solid var(--line); border-radius: 12px; background: transparent; padding: 4px; }
.auth-tab { min-height: 40px; border-radius: 8px; font-size: 14px; line-height: 16px; font-weight: 500; }
.auth-text-button { min-height: 40px; }
.auth-tab.active { background: var(--well); color: var(--ink); box-shadow: none; }
.auth-divider { text-transform: none; letter-spacing: normal; font-weight: 400; }
.email-login-fallback summary { min-height: 48px; border-radius: 16px; font-weight: 500; background: transparent; }
.email-login-fallback[open] summary { background: var(--well); }

.app-shell { --sidebar-width: 248px; --sidebar-tray: 16px; transition: grid-template-columns 150ms cubic-bezier(.4,0,.2,1); }
.sidebar {
  background: var(--paper);
  border-right: 1px solid var(--line);
  box-shadow: none;
  transition: left 150ms cubic-bezier(.4,0,.2,1);
}
.app-shell.sidebar-collapsed .sidebar.peek { box-shadow: 0 0 4px 0 rgba(29,28,33,.08), 0 0 24px 0 rgba(29,28,33,.1); }
.app-shell.sidebar-collapsed .sidebar-rail { background: transparent; border-right: 1px solid var(--line); }
.app-shell.sidebar-collapsed .sidebar-toggle { transform: none; }

.sidebar {
  padding: 16px 12px max(16px, env(safe-area-inset-bottom));
}
.sidebar-header {
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 4px 14px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  min-width: 0;
  flex: 1;
  padding: 0;
}
.sidebar-logo {
  width: 100%;
  max-width: 164px;
  height: auto;
}
.sidebar .sidebar-toggle {
  position: static;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: transparent;
  color: var(--ink-soft);
  box-shadow: none;
}
.sidebar .sidebar-toggle:hover,
.sidebar .sidebar-toggle:focus-visible {
  color: var(--ink);
  background: var(--hover-fill);
  border-color: var(--border-hover);
}
.sidebar > nav {
  display: grid;
  gap: 16px;
  padding: 14px 0 8px;
}
.sidebar-section {
  display: grid;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.sidebar-section-primary {
  padding-top: 0;
  border-top: 0;
}
.sidebar-nav-list {
  display: grid;
  gap: 4px;
}
.nav-label {
  margin: 0 8px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 16px;
  font-weight: 500;
  letter-spacing: normal;
  text-transform: none;
}
.nav-section-head {
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.nav-section-head .nav-label { margin-right: auto; }
.nav-item {
  width: 100%;
  min-height: 40px;
  border-radius: 12px;
  padding: 0 12px;
  gap: 10px;
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  line-height: 18px;
  font-weight: 400;
}
.nav-item .ui-icon {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  color: var(--ink-soft);
  stroke-linecap: round;
  stroke-linejoin: round;
}
.nav-item:hover {
  background: var(--hover-fill);
  color: var(--ink);
}
.nav-item:hover .ui-icon { color: currentColor; }
.nav-item.active {
  background: var(--solid);
  color: var(--solid-text);
  font-weight: 400;
}
.nav-item.active .ui-icon { color: currentColor; }
.nav-item-secondary { color: var(--ink); }

.task-subnav {
  margin: 2px 0 4px 18px;
  padding: 4px 0 4px 10px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 2px;
}
.task-subnav[hidden] { display: none; }
.task-subnav .nav-item {
  min-height: 36px;
  padding-inline: 10px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 16px;
}
.task-subnav .nav-item:hover,
.task-subnav .nav-item.active { color: var(--ink); }

.board-add-button,
.board-edit-button {
  min-width: 40px;
  width: 40px;
  min-height: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--ink-soft);
  box-shadow: none;
}
.board-add-button:hover,
.board-add-button:focus-visible,
.board-edit-button:hover,
.board-edit-button:focus-visible {
  color: var(--ink);
  background: var(--hover-fill);
  border-color: var(--line);
}
.board-add-button .ui-icon,
.board-edit-button .ui-icon { width: 18px; height: 18px; }
.board-nav-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px;
  align-items: center;
  border-radius: 12px;
}
.board-nav-row .nav-item { min-width: 0; }
.board-nav-name {
  min-width: 0;
  overflow-wrap: anywhere;
  line-height: 18px;
}
.board-swatch { display: none; }
.avatar { background: var(--solid); color: var(--solid-text); }

.workspace,
.workspace[data-board-theme],
#tasks-content,
#tasks-content[data-board-theme] { background: var(--paper); background-image: none; --board-tint: transparent; }
#tasks-content:not([data-board-theme="default"]) .page-heading { background: transparent; border-radius: 0; }
.topbar {
  min-height: 64px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  backdrop-filter: none;
  padding: 12px 16px;
}
.search-box { min-height: 48px; border: 1px solid var(--line); border-radius: 16px; background: transparent; padding: 0 16px; }
.search-box input { min-height: 46px; padding: 0; border: 0; outline: 0; }
.sync-state::before { background: var(--ink-soft); }
.content { padding: 20px 16px; }
.page-heading { gap: 24px; }
.page-heading h1,
.home-hero h1 { font-size: 28px; line-height: 32px; font-weight: 600; letter-spacing: normal; }

/* Neutral surfaces replace decorative dashboard cards. */
.home-hero,
.home-focus,
.home-card,
.home-card-accent,
.task-card,
.daily-focus-hero,
.column,
.metric,
.meeting-create-card,
.meeting-list-panel,
.utm-frame-shell,
.detail-box,
.filter-panel,
.board-dialog,
.report-card {
  background: transparent;
  background-image: none;
  border-color: var(--line);
  box-shadow: none;
  color: var(--ink);
}
.home-card,
.home-focus,
.task-card,
.daily-focus-hero,
.meeting-create-card,
.meeting-list-panel,
.utm-frame-shell { border-radius: 12px; }
.home-card:hover, .task-card:hover { border-color: var(--border-hover); box-shadow: none; transform: none; }
.home-card-icon, .home-card-arrow { color: var(--ink-soft); background: transparent; }
.daily-focus-hero { padding: 16px; }
.daily-focus-hero > span { border-radius: 6px; background: var(--well); color: var(--ink); }
.column[data-status] { border-color: var(--line); }
.priority,
.status-pill,
.home-card-state,
.filter span,
.filter-count { border: 1px solid transparent; border-radius: 6px; background: var(--well); color: var(--ink-soft); }
.priority.P0,
.task-due.overdue,
.home-task-state.overdue,
.blocked-label,
.metric.semantic-overdue,
.metric.semantic-blocked { border-color: var(--semantic-critical); background: var(--semantic-critical-soft); color: var(--ink); }
.priority.P1 { border-color: var(--semantic-warning); background: var(--semantic-warning-soft); color: var(--ink); }
.metric.semantic-review { border-color: var(--semantic-info); background: var(--semantic-info-soft); color: var(--ink); }
.status-pill.status-done,
.column[data-status="done"] .column-count,
.metric.semantic-completed { border-color: var(--semantic-success); background: var(--semantic-success-soft); color: var(--ink); }
.task-due, .home-task-state, .blocked-label, .column-count { border: 1px solid transparent; border-radius: 6px; padding: 2px 6px; }
.blocked-label { display: inline-flex; align-items: center; gap: 4px; }
.blocked-label .ui-icon { color: var(--semantic-critical); }
.task-action-menu > .task-destructive-action { color: var(--danger); }
.metric.attention { box-shadow: none; }
.task-progress-track { border-radius: 2px; background: var(--well); }
.task-progress-track::-webkit-progress-value,
.task-progress-track::-moz-progress-bar { background: var(--solid); }

/* Modals/drawers: only the native modal shadow role is allowed. */
.task-dialog,
.date-picker-dialog,
.action-dialog {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  box-shadow: 0 0 4px 0 rgba(29,28,33,.08), 0 0 24px 0 rgba(29,28,33,.1);
}
.task-dialog::backdrop,
.date-picker-dialog::backdrop,
.action-dialog::backdrop { background: var(--overlay); }
.date-picker-day.today { box-shadow: none; border: 1px solid var(--ink); }
.meeting-day-chip.active { background: var(--solid); color: var(--solid-text); box-shadow: none; }
.meeting-participant-option:focus-within { border-color: var(--border-hover); box-shadow: none; }
.meeting-participant-option:has(input:checked) { border-color: var(--ink); background: var(--well); box-shadow: none; }
.meeting-calendar-event.next { border-color: var(--line); background: var(--well); box-shadow: none; }
.schedule-calendar-day.today > strong { background: var(--solid); color: var(--solid-text); }
.meeting-participant-option small.offline { color: var(--ink-soft); }
.meeting-timeline-dot { background: var(--ink-soft); box-shadow: none; }
.telegram-link-state.connected,
.simple-task-mark.done,
.subtask-status.done { border-color: var(--line); background: var(--well); color: var(--ink-soft); }
.telegram-copy-button { background: var(--solid); color: var(--solid-text); }

.view-switch { border: 1px solid var(--line); border-radius: 12px; background: transparent; }
.view-switch button { min-height: 40px; border-radius: 8px; font-weight: 400; }
.view-switch button.active { background: var(--well); box-shadow: none; }
.filter { min-height: 40px; border-radius: 12px; font-weight: 400; }
.toast { border-radius: 12px; background: var(--solid); color: var(--solid-text); }
.task-action-menu > button { min-height: 40px; border-radius: 8px; background: var(--paper); box-shadow: 0 0 1px rgba(0,0,0,.1), 0 3px 6px rgba(0,0,0,.1); }

@media (max-width: 1199px) and (min-width: 768px) {
  .login-card { grid-column: 4 / 10; }
}
@media (max-width: 767px) {
  .login-shell { display: block; padding: 12px 8px; }
  .login-card { padding: 56px 0 12px; }
  .login-theme-toggle { top: 8px; right: 0; }
  .login-card h2, .page-heading h1, .home-hero h1 { font-size: 24px; line-height: 28px; }
  .content { padding: 12px 8px; }
  .topbar { padding: 8px; gap: 8px; }
  .sidebar { box-shadow: 0 0 4px 0 rgba(29,28,33,.08), 0 0 24px 0 rgba(29,28,33,.1); }
  .page-heading { align-items: stretch; gap: 16px; }
}

/* Human QA refinements: avoid duplicate actions and dashboard-card visual. */
.home-actions { display: none; }
.home-grid { gap: 0; border-top: 1px solid var(--line); }
.home-card,
.home-card-accent {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 16px 8px;
}
.home-card:hover { background: var(--well); border-color: var(--line); }
.home-focus {
  margin-top: 24px;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  padding: 20px 0 0;
}
.sidebar-toggle { width: 40px; padding: 0; }
.sidebar-toggle .ui-icon { width: 16px; height: 16px; }

@media (max-width: 767px) {
  .top-actions .create-action-button,
  .top-actions .sync-state { display: none; }
  .home-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; width: 100%; }
  .home-actions .button:first-child { grid-column: 1 / -1; }
  .home-grid { grid-template-columns: 1fr; }
  .home-card { min-height: 96px; }
}

/* Unsupported legacy glyph wrappers collapse after canonical icon filtering. */
.home-card-icon:empty, .meeting-card-icon:empty, .meeting-empty-icon:empty, .reminder-empty-icon:empty { display: none; }

@media (max-width: 1100px) {
  .sidebar .sidebar-toggle { display: grid !important; }
}

@media (max-width: 767px) {
  .sidebar { width: min(320px, 88vw); }
}