/* ==========================================================================
   Direct Auto — base stylesheet
   Yandex Tracker-inspired: left rail, light surfaces, soft-shadow cards.
   ========================================================================== */

/* --- Design tokens -------------------------------------------------------- */
:root {
  color-scheme: light;

  /* Palette — Tracker light (neutral grey, no warm tint) */
  --bg: #f1f2f3;
  --surface: #ffffff;
  --surface-soft: #eeeef0;
  --sidebar-bg: #ffffff;
  --sidebar-line: #ebebed;
  --text: #1f2022;
  --muted: #66686b;
  --faint: #97989c;
  --line: #ebebed;
  --line-strong: #dbdcde;
  --active: #e7e8ea;
  --blue: #2f6ef5;
  --blue-dark: #1f5ad6;
  --blue-soft: #e8f0fe;
  --green: #1d7a5f;
  --green-soft: #e3f5ee;
  --amber: #9a5b0a;
  --amber-soft: #fcefda;
  --red: #d94b3d;
  --red-soft: #fdeceb;

  /* Spacing scale (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 44px;

  /* Radii — rounder, Tracker-like */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Motion */
  --ease: cubic-bezier(0.2, 0, 0, 1);
  --transition: 140ms var(--ease);

  /* Elevation — soft card shadow */
  --shadow: 0 1px 2px rgba(24, 22, 18, 0.05), 0 3px 10px rgba(24, 22, 18, 0.035);
  --shadow-pop: 0 12px 30px rgba(24, 22, 18, 0.14);
  --ring: color-mix(in srgb, var(--blue) 20%, transparent);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #1c1b1a;
    --surface: #262624;
    --surface-soft: #2f2f2c;
    --sidebar-bg: #212120;
    --sidebar-line: #35342f;
    --active: #3a3a37;
    --text: #ececE6;
    --muted: #b0aea6;
    --faint: #86847c;
    --line: #35342f;
    --line-strong: #45443f;
    --blue: #6f9dff;
    --blue-dark: #8bb2ff;
    --blue-soft: #1c3157;
    --green: #7fd9bd;
    --green-soft: #123f34;
    --amber: #f0bf78;
    --amber-soft: #4a2f0a;
    --red: #f0857a;
    --red-soft: #48211d;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 3px 12px rgba(0, 0, 0, 0.35);
    --shadow-pop: 0 12px 30px rgba(0, 0, 0, 0.5);
    --ring: color-mix(in srgb, var(--blue) 34%, transparent);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

/* --- Reset / base --------------------------------------------------------- */
* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1;
}

a {
  color: inherit;
}

::selection {
  background: color-mix(in srgb, var(--blue) 22%, transparent);
}

code {
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--surface-soft);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.875em;
  word-break: break-word;
}

/* --- App shell: sidebar + content ----------------------------------------- */
.app {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: var(--space-7) var(--space-5) var(--space-8);
}

/* Logged-in shell: fixed left rail + fluid content */
.app--withnav {
  display: flex;
  align-items: stretch;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

.app--withnav .content {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

.auth-page {
  display: grid;
  min-height: 100vh;
  background: var(--bg) url("/static/home-background-swirls.jpg") center / cover no-repeat fixed;
}

.app-shell--login {
  display: grid;
  align-content: center;
  justify-items: stretch;
  gap: var(--space-3);
  width: min(440px, 100%);
  min-height: 100vh;
  padding: var(--space-5);
}

.app-shell--public {
  width: min(960px, 100%);
}

/* --- Sidebar -------------------------------------------------------------- */
.sidebar {
  position: sticky;
  top: 0;
  align-self: flex-start;
  flex: 0 0 260px;
  width: 260px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-4);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-line);
  overflow-y: auto;
}

.sidebar__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 2px var(--space-2);
  color: var(--text);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.sidebar__logo {
  display: inline-flex;
  flex: none;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: #f5f1e8;
}

.sidebar__logo img {
  display: block;
  width: 100%;
  height: 100%;
}

.sidebar__create {
  min-height: 42px;
  font-size: 14px;
  border-radius: var(--radius-md);
}

.sidebar__create svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar__group {
  margin: var(--space-4) var(--space-2) var(--space-1);
  color: var(--faint);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sidebar__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 9px 11px;
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.sidebar__item svg {
  width: 19px;
  height: 19px;
  flex: none;
  fill: none;
  stroke: var(--faint);
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition);
}

.sidebar__item:hover {
  background: var(--surface-soft);
}

.sidebar__item--active {
  background: var(--active);
  color: var(--text);
  font-weight: 600;
}

.sidebar__item--active svg {
  stroke: var(--muted);
}

.sidebar__projects,
.sidebar__project-sections {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar__project,
.sidebar__subitem {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: 34px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.sidebar__project {
  font-weight: 550;
}

.sidebar__project span,
.sidebar__subitem span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar__subitem {
  padding-left: var(--space-5);
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.sidebar__project:hover,
.sidebar__subitem:hover {
  background: var(--surface-soft);
  color: var(--text);
}

.sidebar__project--active,
.sidebar__subitem--active {
  background: var(--active);
  color: var(--text);
  font-weight: 650;
}

.sidebar__subitem--danger {
  color: #8f1d16;
}

.sidebar__subitem--danger:hover,
.sidebar__subitem--danger.sidebar__subitem--active {
  background: color-mix(in srgb, #b3261e 10%, var(--surface));
  color: #8f1d16;
}

.sidebar__meta {
  flex: none;
  color: var(--faint);
  font-size: 11px;
  font-weight: 500;
}

.sidebar__subitem--active .sidebar__meta {
  color: var(--muted);
}

.sidebar__foot {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--sidebar-line);
}

.account {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.account__avatar {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.account__meta {
  display: grid;
  gap: 1px;
  min-width: 0;
  flex: 1 1 auto;
}

.account__name {
  overflow: hidden;
  color: var(--text);
  font-size: 13.5px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account__role {
  color: var(--faint);
  font-size: 12px;
}

/* --- Top bar (breadcrumbs) ------------------------------------------------ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  min-height: 56px;
  padding: var(--space-3) var(--space-7);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}

.crumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  min-width: 0;
}

.crumb__link,
.crumb__current {
  display: inline-flex;
  align-items: center;
  max-width: min(420px, 100%);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.crumb__link {
  color: var(--muted);
  transition: color var(--transition);
}

.crumb__link:hover {
  color: var(--blue);
}

.crumb__current {
  color: var(--text);
  font-weight: 650;
}

.crumb__sep {
  font-size: 0;
  color: var(--faint);
  user-select: none;
}

.crumb__sep::after {
  content: "\203A";
  font-size: 16px;
}

.topbar__nav,
.actions,
.sticky-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* --- Login ---------------------------------------------------------------- */
.auth-page .page {
  width: 100%;
  margin: 0;
}

.login-dialog {
  display: grid;
  gap: var(--space-5);
  width: 100%;
  padding: var(--space-6);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 18px 44px color-mix(in srgb, #000000 10%, transparent);
}

.login-dialog__header {
  display: grid;
  gap: var(--space-2);
}

.login-dialog__header h1,
.login-dialog__header p {
  margin: 0;
}

.login-dialog__body {
  display: grid;
  gap: var(--space-3);
}

.login-dialog__form {
  margin: 0;
}

.yandex-login-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  padding: 10px 18px;
  border: 1px solid #d7d9dd;
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: #1f1f1f;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition),
    transform var(--transition);
}

.yandex-login-button:hover {
  border-color: #c4c7cc;
  background: #f7f8fa;
}

.yandex-login-button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, #fc3f1d 18%, transparent);
}

.yandex-login-button:active {
  transform: translateY(1px);
}

.yandex-login-button__mark {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #fc3f1d;
  color: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

/* --- Chips & badges ------------------------------------------------------- */
.user-chip,
.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 24px;
  padding: 2px 10px;
  border: 0;
  border-radius: var(--radius-pill);
  color: var(--muted);
  background: var(--surface-soft);
  font-size: 12px;
  font-weight: 550;
  line-height: 1.3;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.badge--large {
  min-height: 28px;
  padding: 4px 12px;
  font-size: 12.5px;
}

.badge--accent {
  background: var(--blue-soft);
  color: var(--blue);
}

.badge--warning {
  background: var(--amber-soft);
  color: var(--amber);
}

/* --- Page header & headings ----------------------------------------------- */
.page {
  width: 100%;
  margin: 0;
}

.app--withnav .page {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  width: 100%;
  max-width: 1180px;
  padding: var(--space-7) var(--space-7) var(--space-8);
}

/* page-level flex already spaces blocks — drop the extra header margin */
.app--withnav .page > .page-header {
  margin-bottom: 0;
}

.app--withnav.app-shell--wide .page {
  max-width: 1360px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  gap: var(--space-5);
  align-items: start;
}

.layout--narrow {
  width: 100%;
  margin: 0;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.heading-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--muted);
  font-size: 13px;
  font-weight: 550;
}

.eyebrow a {
  color: var(--blue);
  text-decoration: none;
}

.eyebrow a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: var(--space-2);
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -0.018em;
  font-weight: 650;
}

h2 {
  margin-bottom: var(--space-3);
  font-size: 16px;
  line-height: 1.3;
  letter-spacing: -0.008em;
  font-weight: 650;
}

h3 {
  margin-bottom: var(--space-1);
  font-size: 15px;
  letter-spacing: -0.005em;
  font-weight: 600;
}

.lead {
  max-width: 60ch;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
}

.muted,
.hint {
  color: var(--muted);
}

.hint {
  display: block;
  margin: 2px 0 var(--space-2);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.45;
}

.warning-text {
  color: var(--amber);
  font-weight: 550;
}

/* --- Notices & flashes ---------------------------------------------------- */
.notice,
.flash {
  border: 1px solid color-mix(in srgb, var(--amber) 18%, var(--line));
  background: color-mix(in srgb, var(--amber-soft) 72%, var(--surface));
  color: color-mix(in srgb, var(--amber) 78%, var(--text));
  border-radius: var(--radius-md);
}

.flash-wrap {
  width: 100%;
  max-width: 1180px;
  padding: var(--space-4) var(--space-7) 0;
}

.app-shell--login .flash-wrap {
  max-width: none;
  padding: 0;
}

.app--withnav.app-shell--wide .flash-wrap {
  max-width: 1360px;
}

.flash {
  width: 100%;
  margin: 0;
  padding: 9px 12px;
  font-size: 13px;
  line-height: 1.45;
  box-shadow: none;
}

.notice {
  padding: var(--space-4);
  font-size: 13px;
  line-height: 1.5;
}

.success {
  color: var(--green);
  font-weight: 500;
}

/* --- Surfaces ------------------------------------------------------------- */
.panel,
.empty,
.list-row,
.compact-row {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  padding: var(--space-5);
}

.danger-zone {
  border-color: color-mix(in srgb, #b3261e 30%, var(--line-strong));
}

.empty {
  padding: var(--space-8) var(--space-5);
  text-align: center;
}

.empty h2 {
  margin-bottom: var(--space-2);
}

.empty p {
  max-width: 46ch;
  margin: 0 auto var(--space-4);
  color: var(--muted);
}

.empty .button {
  margin-top: var(--space-1);
}

.stack {
  display: grid;
  gap: var(--space-3);
}

.grid {
  display: grid;
  gap: var(--space-3);
}

.grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid__full {
  grid-column: 1 / -1;
}

.fields-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.brief-source-panel {
  margin-bottom: var(--space-3);
}

.brief-share-panel {
  margin-bottom: var(--space-3);
}

.copy-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2);
  align-items: center;
}

.brief-fields {
  display: grid;
  gap: var(--space-3);
}

.brief-field-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.8fr);
  gap: var(--space-3);
  align-items: start;
}

.brief-field-pair--single {
  grid-template-columns: minmax(0, 1fr);
}

.spec-fields {
  display: grid;
  gap: var(--space-3);
}

.spec-field {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.spec-field__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
}

.spec-field__header h3 {
  margin: 0;
  font-size: 14px;
}

.field-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.ai-field {
  min-height: 100%;
  padding: 10px 11px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 13px;
}

.ai-field--empty {
  border-color: color-mix(in srgb, var(--amber) 45%, var(--line-strong));
  background: var(--amber-soft);
  color: var(--amber);
  font-weight: 550;
}

.ai-field--pending {
  border-color: var(--line);
  background: var(--surface);
  color: var(--muted);
}

/* --- Forms ---------------------------------------------------------------- */
label {
  display: grid;
  gap: var(--space-2);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  line-height: 1.45;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input,
select {
  min-height: 38px;
  padding: 7px 11px;
}

textarea {
  min-height: 96px;
  resize: vertical;
  padding: 9px 11px;
}

input:hover,
textarea:hover,
select:hover {
  border-color: var(--faint);
}

input::placeholder,
textarea::placeholder {
  color: var(--faint);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--ring);
}

.autocomplete {
  position: relative;
  width: 100%;
}

.autocomplete__list {
  position: absolute;
  z-index: 40;
  top: calc(100% + 6px);
  right: 0;
  left: 0;
  display: block;
  max-height: min(360px, 52vh);
  overflow-x: hidden;
  overflow-y: auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: 0 14px 28px color-mix(in srgb, #000000 14%, transparent);
  overscroll-behavior: contain;
}

.autocomplete__list[hidden] {
  display: none;
}

.autocomplete__option {
  display: block;
  width: 100%;
  min-height: 42px;
  margin: 0;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  user-select: none;
}

.autocomplete__option:last-child {
  border-bottom: 0;
}

.autocomplete__option:hover,
.autocomplete__option:focus-visible {
  outline: none;
  background: var(--blue-soft);
}

.autocomplete__option-title {
  display: block;
  overflow-wrap: anywhere;
  font-weight: 600;
}

.autocomplete__empty {
  padding: 10px 11px;
  color: var(--muted);
  font-size: 13px;
}

hr {
  width: 100%;
  margin: 0;
  border: 0;
  border-top: 1px solid var(--line);
}

/* --- Buttons -------------------------------------------------------------- */
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  min-height: 34px;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 550;
  letter-spacing: -0.005em;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition),
    color var(--transition), box-shadow var(--transition);
}

.button:hover {
  background: var(--surface-soft);
  border-color: var(--faint);
}

.button:active {
  background: color-mix(in srgb, var(--surface-soft) 70%, var(--line-strong));
}

.button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--ring);
}

.button--wide {
  width: 100%;
}

.button--primary {
  border-color: var(--blue);
  background: var(--blue);
  color: #ffffff;
}

.button--primary:hover {
  border-color: var(--blue-dark);
  background: var(--blue-dark);
}

.button--primary:active {
  background: var(--blue-dark);
}

.button--secondary {
  border-color: color-mix(in srgb, var(--blue) 30%, var(--line-strong));
  background: var(--blue-soft);
  color: var(--blue);
}

.button--secondary:hover {
  border-color: var(--blue);
  background: color-mix(in srgb, var(--blue-soft) 78%, var(--blue));
}

.button--ghost {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--text);
}

.button--ghost:hover {
  background: var(--surface-soft);
  border-color: var(--faint);
}

.button--danger {
  border-color: #b3261e;
  background: #b3261e;
  color: #ffffff;
}

.button--danger:hover {
  border-color: #922018;
  background: #922018;
}

.button:disabled,
.button[disabled] {
  cursor: not-allowed;
  opacity: 0.52;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--muted);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition),
    color var(--transition), box-shadow var(--transition);
}

.icon-button:hover {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue);
}

.icon-button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--ring);
}

.icon-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --- Lists & rows --------------------------------------------------------- */
.list,
.compact-list {
  display: grid;
  gap: var(--space-3);
}

.list-row,
.compact-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
  transition: border-color var(--transition), background var(--transition);
}

.list-row {
  padding: var(--space-4);
  text-decoration: none;
}

.list-row h2,
.list-row p {
  margin-bottom: 0;
}

.list-row p {
  color: var(--muted);
  font-size: 13.5px;
}

.list-row__meta {
  display: grid;
  justify-items: end;
  gap: var(--space-2);
  flex: none;
}

.list-row__action {
  color: var(--blue);
  font-size: 13px;
  font-weight: 550;
}

.compact-row {
  flex-direction: column;
  gap: 3px;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 13px;
}

.compact-row--horizontal {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.compact-row--horizontal > div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.inline-label {
  display: grid;
  gap: 6px;
  min-width: min(220px, 100%);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.inline-label select {
  min-height: 38px;
  font-size: 14px;
}

.compact-row__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  width: 100%;
}

.compact-row strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.source-preview {
  display: block;
  max-width: 100%;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--muted);
  white-space: pre-wrap;
}

.markdown-preview {
  display: grid;
  gap: var(--space-2);
  width: 100%;
  margin-top: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--text);
}

.markdown-preview__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
}

.markdown-preview__header span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.markdown-preview pre {
  max-height: 360px;
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.55;
}

.markdown-preview .hint {
  margin: 0;
}

.analytics-report {
  display: grid;
  gap: var(--space-4);
}

.analytics-card {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.analytics-card--accent {
  border-color: color-mix(in srgb, var(--line-strong) 72%, var(--blue));
}

.analytics-card__title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.analytics-card__title h2 {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.status-dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line-strong);
}

.status-dot--ok {
  background: var(--green);
}

.status-dot--warning {
  background: var(--amber);
}

.status-dot--critical {
  background: var(--red);
}

.analytics-recommendations,
.analytics-signals,
.analytics-limitations {
  display: grid;
  gap: var(--space-2);
}

.analytics-recommendation {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
}

.analytics-recommendation:first-child {
  padding-top: 0;
  border-top: 0;
}

.analytics-recommendation .status-dot {
  margin-top: 7px;
}

.analytics-recommendation__text {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  flex-wrap: wrap;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
}

.analytics-recommendation p,
.analytics-health p,
.analytics-signal p,
.analytics-source p,
.analytics-limitations p {
  margin: 0;
  color: var(--muted);
}

.analytics-takeaway {
  max-width: 84ch;
  margin: 0;
  color: var(--text);
  font-size: 15px;
}

.analytics-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 22px;
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.25;
  white-space: nowrap;
}

.analytics-label--ok {
  background: var(--green-soft);
  color: var(--green);
}

.analytics-label--warning {
  background: var(--amber-soft);
  color: var(--amber);
}

.analytics-label--critical {
  background: var(--red-soft);
  color: var(--red);
}

.analytics-health-grid,
.analytics-source-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.analytics-health,
.analytics-source {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 86%, var(--surface-soft));
}

.analytics-source {
  grid-template-columns: minmax(0, 1fr) auto;
}

.analytics-health strong,
.analytics-source strong {
  display: block;
  margin-bottom: 2px;
  color: var(--text);
  font-size: 14px;
}

.analytics-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.analytics-table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.analytics-table th,
.analytics-table td {
  padding: 9px 8px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  vertical-align: top;
}

.analytics-table th:first-child,
.analytics-table td:first-child {
  text-align: left;
}

.analytics-table th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.analytics-table td {
  color: var(--text);
}

.analytics-table td:last-child {
  color: var(--muted);
  font-size: 13px;
}

.analytics-signal {
  display: grid;
  gap: 4px;
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
  border-left: 3px solid var(--line-strong);
}

.analytics-signal--critical {
  border-left-color: var(--red);
}

.analytics-signal--warning {
  border-left-color: var(--amber);
}

.analytics-signal--ok {
  border-left-color: var(--green);
}

.analytics-signal code {
  width: fit-content;
  padding: 0;
  background: transparent;
  color: var(--faint);
  font-size: 12px;
}

.analytics-signal strong {
  color: var(--text);
  font-size: 14px;
}

.analytics-limitations p {
  padding: var(--space-2) 0;
  border-top: 1px solid var(--line);
}

.analytics-limitations p:first-child {
  border-top: 0;
}

.compact-row--link {
  text-decoration: none;
}

.compact-row--link:hover,
.list-row:hover {
  border-color: var(--line-strong);
  background: var(--surface-soft);
}

/* --- Inline forms --------------------------------------------------------- */
.inline-form {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.inline-form select {
  min-width: 150px;
}

/* --- Section titles & subforms -------------------------------------------- */
.section-title {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-3);
}

.section-title h2 {
  margin-bottom: 0;
}

.subform {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
}

.details-compact summary {
  cursor: pointer;
  color: var(--blue);
  font-weight: 500;
}

.plain-list {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-4);
  color: var(--muted);
  font-size: 13px;
}

.plain-list li + li {
  margin-top: var(--space-1);
}

/* --- Sticky actions -------------------------------------------------------- */
.sticky-actions {
  position: sticky;
  bottom: 18px;
  z-index: 5;
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: none;
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  backdrop-filter: blur(12px) saturate(1.4);
}

/* --- Dev switcher --------------------------------------------------------- */
.dev-switcher {
  margin: 0;
}

.dev-switcher select {
  min-height: 32px;
  max-width: 190px;
  padding: 5px 9px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

/* --- Responsive ----------------------------------------------------------- */
@media (max-width: 900px) {
  .app {
    width: 100%;
    padding: var(--space-5) var(--space-4) var(--space-7);
  }

  .app--withnav {
    flex-direction: column;
    padding: 0;
  }

  .sidebar {
    position: static;
    flex: none;
    width: 100%;
    height: auto;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-right: 0;
    border-bottom: 1px solid var(--sidebar-line);
  }

  .sidebar__brand {
    margin-right: auto;
  }

  .sidebar__create {
    width: auto;
    order: 3;
  }

  .sidebar__nav {
    flex-direction: column;
    align-items: stretch;
    order: 4;
    width: 100%;
  }

  .sidebar__projects,
  .sidebar__project-sections {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-1);
  }

  .sidebar__group {
    grid-column: 1 / -1;
  }

  .sidebar__foot {
    order: 2;
    flex-direction: row;
    align-items: center;
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }

  .account__meta {
    display: none;
  }

  .topbar {
    padding: var(--space-3) var(--space-4);
  }

  .app--withnav .page {
    padding: var(--space-5) var(--space-4) var(--space-7);
  }

  .flash-wrap {
    padding: var(--space-3) var(--space-4) 0;
  }

  .layout,
  .grid--two,
  .brief-field-pair,
  .fields-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
  }

  .list-row {
    flex-direction: column;
  }

  .list-row__meta {
    justify-items: start;
  }

  h1 {
    font-size: 25px;
  }
}

/* --- Project workspace (section nav + editor) ----------------------------- */
.workspace {
  display: block;
  margin-top: 0;
}

.workspace__nav {
  position: sticky;
  top: calc(56px + var(--space-4));
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-5);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.workspace__head {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.workspace__back {
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
}

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

.workspace__project {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.workspace__project strong {
  font-size: 15px;
  line-height: 1.3;
}

.workspace__menu {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.workspace__group {
  margin: var(--space-4) 0 var(--space-1);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--faint);
}

.workspace__group:first-child {
  margin-top: 0;
}

.workspace__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  color: var(--text);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition);
}

.workspace__item:hover {
  background: var(--surface-soft);
}

.workspace__item--active {
  background: var(--active);
  border-color: var(--line-strong);
  color: var(--text);
  font-weight: 600;
}

.workspace__item--danger {
  color: #8f1d16;
}

.workspace__item--danger:hover {
  background: color-mix(in srgb, #b3261e 8%, var(--surface));
  border-color: color-mix(in srgb, #b3261e 22%, transparent);
}

.workspace__item--danger.workspace__item--active {
  background: color-mix(in srgb, #b3261e 12%, var(--surface));
  border-color: color-mix(in srgb, #b3261e 28%, transparent);
  color: #8f1d16;
}

.workspace__item-meta {
  font-size: 11px;
  color: var(--faint);
}

.workspace__item--active .workspace__item-meta {
  color: var(--muted);
}

.workspace__main {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  min-width: 0;
}

.source-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-2);
}

.source-tab-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.source-tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-width: 0;
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  background: var(--surface);
}

.source-tab-wrap .source-tab {
  flex: 1;
  padding-right: 52px;
}

.source-tab__edit {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 1;
}

.source-tab:hover,
.source-tab--active {
  border-color: var(--accent);
  background: var(--active);
}

.source-tab span:not(.badge) {
  max-width: 100%;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.brief-title-editor {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-left: 2px solid var(--accent);
}

.brief-title-editor[hidden] {
  display: none;
}

.brief-title-editor__form {
  display: grid;
  gap: var(--space-2);
}

.brief-title-editor label {
  min-width: 0;
}

.brief-title-editor .actions {
  margin-top: 0;
}

.brief-title-editor__status {
  margin: 0;
}

.toggle-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-2);
}

.toggle-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin: 0;
}

.inline-danger {
  display: flex;
  justify-content: flex-end;
}

@media (max-width: 860px) {
  .app-shell--wide {
    width: 100%;
  }

  .workspace {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .workspace__nav {
    position: static;
  }

  .workspace__menu {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-1);
  }

  .workspace__group {
    grid-column: 1 / -1;
  }
}