/* =========================================================
   Team — modern UI (2026 renewal)
   Design tokens + light/dark themes
   ========================================================= */

:root {
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo,
    sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    monospace;

  --bg: #f6f7f9;
  --bg-elevated: #ffffff;
  --bg-subtle: #eef0f3;
  --text: #1a202c;
  --text-secondary: #5b6472;
  --text-muted: #8a93a2;
  --border: #e3e6ea;
  --border-strong: #cfd4db;

  --primary: #3b82f6;
  --primary-strong: #2563eb;
  --primary-soft: #eaf2fe;
  --danger: #ef4444;
  --danger-soft: #fdecec;
  --accent: #f59e0b;

  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-full: 999px;

  --nav-height: 60px;
  --content-width: 860px;
}

[data-theme="black"] {
  --bg: #0f1115;
  --bg-elevated: #171a21;
  --bg-subtle: #1e222b;
  --text: #e7eaf0;
  --text-secondary: #a3adbf;
  --text-muted: #6b7489;
  --border: #262b36;
  --border-strong: #343b49;

  --primary: #60a5fa;
  --primary-strong: #3b82f6;
  --primary-soft: #16273f;
  --danger: #f87171;
  --danger-soft: #3a1a1a;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.5);
}

/* ---------- Reset / base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-strong);
}

img {
  max-width: 100%;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

/* ---------- Layout ---------- */

.container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 28px 20px 60px;
  flex: 1;
}

/* ---------- Navbar ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg-elevated) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  height: var(--nav-height);
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-weight: 700;
  font-size: 17px;
  flex-shrink: 0;
}

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

.brand-logo {
  width: 30px;
  height: 30px;
  display: block;
}

.brand-logo-lg {
  width: 56px;
  height: 56px;
  margin: 0 auto;
}

.nav-search {
  position: relative;
  flex: 0 1 260px;
}

.nav-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
  pointer-events: none;
}

.nav-search input {
  width: 100%;
  height: 36px;
  padding: 0 12px 0 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}

.nav-search input:focus {
  border-color: var(--primary);
  background: var(--bg-elevated);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  overflow-x: auto;
}

.nav-link {
  padding: 6px 11px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  text-transform: capitalize;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text);
  background: var(--bg-subtle);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

.nav-icon svg {
  width: 20px;
  height: 20px;
}

.nav-icon:hover {
  background: var(--bg-subtle);
  color: var(--text);
}

.nav-icon.has-notification::after {
  content: "";
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger);
  border: 2px solid var(--bg-elevated);
}

/* ---------- Dropdown ---------- */

.dropdown {
  position: relative;
}

/* Hamburger menu: mobile-only replacement for .nav-links */
.nav-burger {
  display: none;
}

.nav-icon-btn {
  border: none;
  background: transparent;
  cursor: pointer;
}

.dropdown-item-capitalize {
  text-transform: capitalize;
}

.avatar-btn {
  display: flex;
  align-items: center;
  padding: 0;
  border: none;
  border-radius: var(--radius-full);
  background: transparent;
  cursor: pointer;
}

.avatar-btn:hover .avatar,
.dropdown.is-active .avatar-btn .avatar {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 35%, transparent);
}

.avatar-btn .avatar {
  transition: box-shadow 0.15s;
}

.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 190px;
  padding: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.dropdown.is-active .dropdown-menu {
  display: block;
}

.dropdown-header {
  padding: 8px 10px 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.dropdown-item {
  display: block;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
}

.dropdown-item:hover {
  background: var(--bg-subtle);
  color: var(--text);
}

.dropdown-divider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 6px 0;
}

/* Unread dot on the Notifications item inside the hamburger menu */
.dropdown-item.has-notification::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger);
  margin-left: 6px;
  vertical-align: middle;
}

/* ---------- Avatars ---------- */

.avatar {
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  flex-shrink: 0;
  object-fit: cover;
}

.avatar-sm {
  width: 28px;
  height: 28px;
}

.avatar-md {
  width: 40px;
  height: 40px;
}

.avatar-lg {
  width: 64px;
  height: 64px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

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

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

.btn-ghost {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

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

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

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
}

.btn-google {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 11px 16px;
  gap: 10px;
}

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

.btn-google svg {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
}

.icon-btn:hover {
  background: var(--bg-subtle);
  color: var(--text);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
}

.badge-info {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

/* ---------- Page structure ---------- */

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.page-title {
  margin: 0 0 20px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: capitalize;
}

.page-head .page-title {
  margin-bottom: 0;
}

.section {
  margin-bottom: 34px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.section-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-title .fa-thumbtack {
  color: var(--accent);
  font-size: 14px;
}

.section-more {
  font-size: 13px;
  font-weight: 500;
}

/* ---------- Cards / list items ---------- */

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.item-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.item-card {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.item-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.item-avatar {
  flex-shrink: 0;
}

.item-main {
  flex: 1;
  min-width: 0;
}

.item-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.item-user {
  font-weight: 600;
  color: var(--text-secondary);
}

.item-user:hover {
  color: var(--primary);
}

.item-date {
  font-size: 12px;
  color: var(--text-muted);
}

.item-title {
  margin: 3px 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.item-title a {
  color: var(--text);
}

.item-title a:hover {
  color: var(--primary);
}

.item-context {
  font-weight: 600;
}

.item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 6px 0;
}

.comment-bubble {
  margin: 6px 0;
  padding: 10px 14px;
  background: var(--bg-subtle);
  border-radius: 4px 14px 14px 14px;
  font-size: 14px;
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

.pinned-card {
  border-left: 3px solid var(--accent);
}

/* ---------- Tags ---------- */

.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 11px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
}

.tag-pill:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary-strong);
}

.tag-pill-lg {
  padding: 6px 16px;
  font-size: 14px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.post-tags .fa-tags {
  color: var(--text-muted);
  font-size: 13px;
}

/* ---------- Tabs ---------- */

.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.tab {
  padding: 9px 16px;
  margin-bottom: -1px;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

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

.tab.is-active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

/* ---------- Pagination ---------- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 26px 0;
}

.page-btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
}

.page-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.page-status {
  font-size: 13px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- Forms ---------- */

.form-field {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.input,
.textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.input:focus,
.textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}

.input-lg {
  padding: 13px 16px;
  font-size: 17px;
  font-weight: 600;
}

.textarea {
  min-height: 96px;
  resize: vertical;
  line-height: 1.6;
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin-bottom: 16px;
}

.checkbox,
.radio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
  text-transform: capitalize;
}

.checkbox input,
.radio input {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
}

.file-label {
  cursor: pointer;
}

/* ---------- Alerts ---------- */

.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 18px;
  text-align: left;
}

.alert svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-error {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 25%, transparent);
  border-left: 3px solid var(--danger);
}

/* ---------- Auth pages ---------- */

.auth-card {
  max-width: 400px;
  margin: 48px auto;
  padding: 36px 32px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.auth-brand {
  margin-bottom: 14px;
}

.auth-title {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.auth-sub {
  margin: 0 0 22px;
  font-size: 14px;
  color: var(--text-muted);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-form {
  text-align: left;
}

.auth-switch {
  margin: 20px 0 0;
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------- Post detail ---------- */

.post-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.post-actions form {
  margin: 0;
}

.post-actions-spacer {
  flex: 1;
}

.post-title {
  margin: 0 0 16px;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.post-byline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.post-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 18px;
}

.tags-form {
  margin-bottom: 18px;
}

.tags-form .input {
  margin-bottom: 10px;
}

.post-markdown {
  padding: 26px 28px;
  margin-bottom: 34px;
}

/* ---------- Comments ---------- */

.comments {
  margin-top: 34px;
}

.comments .section-title {
  margin-bottom: 12px;
}

.comment-card {
  padding: 14px 16px;
}

.comment-tools {
  margin-left: auto;
  display: inline-flex;
  gap: 2px;
}

.comment-form {
  margin-top: 18px;
}

/* ---------- Tweets ---------- */

.tweet-form {
  padding: 16px 18px;
  margin-bottom: 22px;
}

.tweet-form-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.tweet-form-row .textarea {
  min-height: 64px;
}

.tweet-form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 10px;
}

.tweet-card {
  cursor: pointer;
}

.tweet-body {
  font-size: 15px;
  overflow-wrap: anywhere;
}

.tweet-actions {
  display: flex;
  gap: 26px;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 13px;
}

.tweet-action:hover {
  color: var(--primary);
}

.tweet-like {
  cursor: pointer;
}

.tweet-like:hover,
.tweet-like.liked {
  color: #e0245e;
}

.notification-like-icon {
  color: #e0245e;
}

.item-excerpt {
  color: var(--text-muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.tweet-detail {
  margin-bottom: 8px;
}

/* ---------- Gist ---------- */

.gist-file {
  overflow: hidden;
  margin-bottom: 30px;
}

.gist-filename {
  padding: 10px 16px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 13px;
}

.gist-editor {
  overflow: hidden;
}

.gist-file .CodeMirror,
.gist-editor .CodeMirror {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
}

/* Read-only viewer: grow with the content */
.gist-file .CodeMirror {
  height: auto;
}

.gist-file .CodeMirror-scroll {
  min-height: 80px;
}

/* Editor: fixed comfortable height */
.gist-editor .CodeMirror {
  height: 380px;
}

/* ---------- Profile ---------- */

.profile-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}

.profile-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ---------- Settings ---------- */

.settings-card {
  padding: 22px 24px;
  margin-bottom: 16px;
}

.card-title {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 700;
}

.settings-avatar {
  margin-bottom: 14px;
}

/* ---------- Markdown content ---------- */

.marked {
  font-size: 15px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.marked > :first-child {
  margin-top: 0;
}

.marked > :last-child {
  margin-bottom: 0;
}

.marked h1,
.marked h2,
.marked h3,
.marked h4,
.marked h5,
.marked h6 {
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 1.6em 0 0.6em;
}

.marked h1 {
  font-size: 1.7em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--border);
}

.marked h2 {
  font-size: 1.4em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--border);
}

.marked h3 {
  font-size: 1.2em;
}

.marked h4 {
  font-size: 1.05em;
}

.marked p {
  margin: 0.8em 0;
}

.marked ul,
.marked ol {
  padding-left: 1.6em;
  margin: 0.8em 0;
}

.marked blockquote {
  margin: 1em 0;
  padding: 2px 18px;
  border-left: 3px solid var(--border-strong);
  color: var(--text-secondary);
}

.marked code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-subtle);
  border-radius: 5px;
  padding: 0.15em 0.4em;
}

.marked pre {
  background: #0d1117;
  color: #e6edf3;
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  overflow-x: auto;
  line-height: 1.55;
}

.marked pre code {
  background: transparent;
  padding: 0;
  font-size: 13px;
  color: inherit;
}

.marked table {
  border-collapse: collapse;
  margin: 1em 0;
  display: block;
  overflow-x: auto;
}

.marked th,
.marked td {
  border: 1px solid var(--border);
  padding: 7px 13px;
}

.marked th {
  background: var(--bg-subtle);
}

.marked img {
  border-radius: var(--radius-sm);
}

.marked hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.6em 0;
}

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

.emoji {
  width: 20px;
  height: 20px;
  vertical-align: -4px;
  border-radius: 0;
}

.emoji-suggest-box {
  position: absolute;
  z-index: 100;
  min-width: 200px;
  padding: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.emoji-suggest-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 10px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.emoji-suggest-item.is-active,
.emoji-suggest-item:hover {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

/* ---------- SimpleMDE overrides ---------- */

.post-form .editor-toolbar {
  border-color: var(--border);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: var(--bg-elevated);
}

.post-form .editor-toolbar a {
  color: var(--text-secondary) !important;
}

.post-form .CodeMirror {
  border-color: var(--border);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  min-height: 320px;
}

[data-theme="black"] .editor-toolbar a:hover,
[data-theme="black"] .editor-toolbar a.active {
  background: var(--bg-subtle);
  border-color: var(--border-strong);
}

[data-theme="black"] .CodeMirror-cursor {
  border-left-color: var(--text);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.site-footer-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 20px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .nav-inner {
    gap: 10px;
    padding: 0 14px;
  }

  .nav-search {
    flex: 1 1 auto;
  }

  .nav-links {
    display: none;
  }

  /* Collapse tag/notification icons into the hamburger (avatar stays visible) */
  .nav-actions > a.nav-icon {
    display: none;
  }

  .nav-burger {
    display: block;
  }

  .nav-burger .dropdown-menu {
    max-height: calc(100vh - var(--nav-height) - 24px);
    overflow-y: auto;
  }

  .container {
    padding: 18px 14px 48px;
  }

  .post-title {
    font-size: 22px;
  }

  .item-card {
    padding: 13px 14px;
  }

  .post-markdown {
    padding: 18px 16px;
  }
}