/* Harrisbook — dark, mobile-first, high-contrast, large controls.
   No CSS frameworks, no @import, all assets self-hosted. */

:root {
  --bg: #0f1216;
  --surface: #1a1f26;
  --surface-2: #232a33;
  --border: #39424e;
  --text: #f2f5f8;
  --text-dim: #b8c2cd;
  --accent: #4da3ff;
  --accent-text: #06121f;
  --danger: #ff6b6b;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { font-size: 18px; }

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

h1, h2, h3 { margin: 0 0 0.4em; line-height: 1.25; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.15rem; }

.app-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: var(--surface);
  border-bottom: 2px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { font-size: 1.6rem; }

.auth-area { display: flex; align-items: center; gap: 10px; }
.user-chip {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.95rem;
}

.btn {
  font: inherit;
  font-size: 1rem;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 700; }
.btn-ghost { background: transparent; }
.btn-sm { min-height: 38px; padding: 6px 14px; font-size: 0.95rem; }

a.btn { text-decoration: none; display: inline-flex; align-items: center; }

.layout { display: flex; flex-direction: column; }

.sidebar {
  padding: 16px;
  background: var(--surface);
  border-bottom: 2px solid var(--border);
}

.board-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.board-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 46px;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  cursor: pointer;
  text-align: left;
}
.board-item.active { border-color: var(--accent); background: #10314f; }
.board-name { font-weight: 600; word-break: break-all; }
.board-count {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.content { padding: 16px; display: flex; flex-direction: column; gap: 20px; }

.search-bar { display: flex; flex-wrap: wrap; gap: 10px; }
.search-bar input {
  flex: 1 1 200px;
  font: inherit;
  font-size: 1rem;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.compose, .thread {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.compose label, .edit-form label {
  display: block;
  margin-bottom: 12px;
  font-weight: 600;
}
.compose input[type="text"],
.compose textarea,
.edit-form input,
.edit-form textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

#compose-boards {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 0 0 12px;
  padding: 10px 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.check { font-weight: 500 !important; display: inline-flex !important; align-items: center; gap: 4px; }
.check input { width: 22px; height: 22px; }

.compose-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.msg { color: var(--text-dim); font-weight: 500; }

.posts { display: flex; flex-direction: column; gap: 14px; }
.post {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.post-from { color: var(--accent); font-weight: 700; }
.post-board {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 8px;
}
.post-subject { margin: 4px 0; }
.post-body { margin: 4px 0 10px; white-space: pre-wrap; word-wrap: break-word; }

.edit-form { display: flex; flex-direction: column; gap: 6px; }

.empty { color: var(--text-dim); }

@media (min-width: 860px) {
  .layout { flex-direction: row; align-items: flex-start; }
  .sidebar {
    width: 280px;
    flex: 0 0 280px;
    border-bottom: none;
    border-right: 2px solid var(--border);
    position: sticky;
    top: 0;
    align-self: stretch;
  }
  .content { flex: 1; }
}