:root {
  --bg: #f3efe6;
  --bg-accent: #e8e0d0;
  --ink: #1c1914;
  --muted: #6b6458;
  --line: #d4cbb8;
  --draft: #fffdf8;
  --published: #eef4ef;
  --published-border: #9bb89e;
  --draft-border: #c9b896;
  --primary: #2f5d50;
  --primary-ink: #fff;
  --danger: #8b3a2f;
  --danger-bg: #f6e6e2;
  --focus: #2f5d50;
  --shadow: 0 1px 2px rgba(28, 25, 20, 0.06);
  --radius: 10px;
  --font: "Segoe UI", "PT Sans", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scrollbar-gutter: stable;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(ellipse at top left, #efe6d4 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, #dde8df 0%, transparent 45%),
    var(--bg);
}

button, input, textarea {
  font: inherit;
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.92);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.15rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.topbar-actions form {
  margin: 0;
}

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  line-height: 1.2;
  box-shadow: var(--shadow);
}

.btn:hover:not(:disabled) {
  background: var(--bg-accent);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

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

.btn.primary:hover:not(:disabled) {
  filter: brightness(1.05);
  background: var(--primary);
}

.btn.ghost {
  background: transparent;
  box-shadow: none;
}

.btn.danger {
  color: var(--danger);
  border-color: #e0b6ad;
  background: var(--danger-bg);
}

.btn.small {
  padding: 0.28rem 0.55rem;
  font-size: 0.9rem;
}

.login-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 1rem;
}

.login-card {
  width: min(380px, 100%);
  background: var(--draft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.login-sub {
  margin: 0.25rem 0 1.25rem;
  color: var(--muted);
}

.login-form {
  display: grid;
  gap: 0.85rem;
}

.login-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.login-form input {
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}

.login-form .btn {
  margin-top: 0.35rem;
}

.flash.error {
  background: var(--danger-bg);
  color: var(--danger);
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  margin: 0 0 1rem;
}

.post-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.empty-hint {
  color: var(--muted);
  text-align: center;
  margin-top: 2rem;
}

.post {
  border: 1px solid var(--draft-border);
  border-radius: var(--radius);
  background: var(--draft);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.post.published {
  background: var(--published);
  border-color: var(--published-border);
}

.post-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.75rem 0.85rem;
  cursor: pointer;
  user-select: none;
}

.post-header:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.post-meta {
  flex: 1 1 160px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  color: var(--muted);
}

.post.published .badge {
  color: #3d6b48;
}

.post-preview {
  color: var(--ink);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  overflow: hidden;
  line-height: 1.45;
  font-size: 0.95rem;
}

.post-preview.md-view {
  line-height: 1.45;
}

.post-preview.md-view p,
.post-preview.md-view ul,
.post-preview.md-view ol,
.post-preview.md-view pre,
.post-preview.md-view blockquote {
  margin: 0;
}

.post-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.post-body {
  border-top: 1px solid var(--line);
  padding: 0.85rem;
  display: none;
}

.post.expanded .post-body {
  display: block;
}

.post.expanded .post-preview {
  display: none;
}

.md-view {
  line-height: 1.55;
  word-wrap: break-word;
}

.md-view p {
  margin: 0 0 0.75em;
}

.md-view p:last-child {
  margin-bottom: 0;
}

.md-view ul, .md-view ol {
  margin: 0 0 0.75em;
  padding-left: 1.25rem;
}

.md-view a {
  word-break: break-word;
}

.md-view code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: rgba(0, 0, 0, 0.05);
  padding: 0.1em 0.3em;
  border-radius: 4px;
}

.md-view pre {
  overflow-x: auto;
  background: rgba(0, 0, 0, 0.05);
  padding: 0.75rem;
  border-radius: 8px;
}

.md-view pre code {
  background: none;
  padding: 0;
}

.editor-wrap {
  display: grid;
  gap: 0.65rem;
}

.md-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.md-toolbar .btn {
  min-width: 2rem;
}

.md-tool-bold {
  font-weight: 700;
}

.md-tool-italic {
  font-style: italic;
}

.md-tool-strike {
  text-decoration: line-through;
}

.md-tool-code {
  font-family: var(--mono);
  font-size: 0.82rem;
}

.editor-wrap textarea {
  width: 100%;
  min-height: 220px;
  resize: none;
  overflow: hidden;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.45;
}

.editor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pub-link {
  font-size: 0.9rem;
}

.pub-date {
  color: var(--muted);
  font-size: 0.85rem;
}

.toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  z-index: 50;
  max-width: min(90vw, 480px);
  text-align: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.toast.error {
  background: var(--danger);
}

dialog {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  max-width: min(420px, calc(100vw - 2rem));
  background: var(--draft);
  color: var(--ink);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
}

dialog::backdrop {
  background: rgba(28, 25, 20, 0.35);
}

.dialog-body {
  margin: 0;
  padding: 1.1rem 1.15rem;
}

.dialog-body p {
  margin: 0 0 1rem;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.4rem;
}

.dialog-actions.wrap {
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .post-header {
    flex-direction: column;
  }

  .post-actions {
    width: 100%;
  }
}