:root {
  --bg: #f3eee6;
  --paper: #fffdf8;
  --ink: #2a2622;
  --muted: #6b645c;
  --line: #d9d0c4;
  --accent: #b5522a;
  --accent-dark: #8f3d1c;
  --header: #2c3338;
  --ok: #2f6b4f;
  --flash: #8a2f2f;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

a { color: var(--accent-dark); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
}

.lead { color: var(--muted); }

.flash {
  background: #fdecea;
  color: var(--flash);
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
}

.status {
  margin: 0 1rem 0.5rem;
  color: var(--ok);
  font-size: 0.85rem;
}

.empty, .hint, .noscript {
  color: var(--muted);
  font-size: 0.85rem;
}

.noscript { padding: 0 1rem; }

.stack { display: grid; gap: 0.7rem; }
.inline { display: inline; }

label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.9rem;
}

input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font: inherit;
}

button {
  font: inherit;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 0.55rem 1rem;
}

button:hover { background: var(--accent-dark); }

button.linkish {
  background: transparent;
  color: #d8cfc4;
  padding: 0;
  text-decoration: underline;
}

.view-enter { min-height: 100vh; }
.gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.gate-card {
  width: 100%;
  max-width: 28rem;
  background: var(--paper);
  padding: 1.6rem;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.view-board, .view-board body, .board {
  min-height: 100vh;
}
.board {
  display: flex;
  flex-direction: column;
  max-width: 52rem;
  margin: 0 auto;
  background: var(--paper);
  min-height: 100vh;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-end;
  padding: 0.9rem 1rem;
  background: var(--header);
  color: #f4efe6;
}
.top h1 { color: #fff; }
.top .eyebrow { color: #b9b1a6; }
.top-meta {
  font-size: 0.85rem;
  text-align: right;
}

.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line);
  background: #efe8dc;
}
.tab {
  flex: 1;
  text-align: center;
  padding: 0.7rem 0.5rem;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 3px solid transparent;
}
.tab.is-active {
  font-weight: 700;
  border-bottom-color: var(--accent);
  background: var(--paper);
}

.posts {
  flex: 1;
  padding: 0.8rem 1rem 1rem;
}

.post {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}
.post header {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.25rem;
}
.name { font-weight: 700; }
time { color: var(--muted); font-size: 0.8rem; }
.body { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.media { margin: 0.5rem 0 0; }
.media img, .media video {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  background: #1c1c1c;
}
.media video { width: 100%; max-height: 24rem; }

.filepick {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  flex: 1 1 12rem;
}
.filepick-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
.filepick-btn {
  display: inline-block;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.55rem 0.85rem;
  cursor: pointer;
  white-space: nowrap;
}
.filepick-btn:hover { border-color: var(--accent); }
.filepick-name { color: var(--muted); font-size: 0.85rem; }

.del { margin-top: 0.4rem; font-size: 0.85rem; }
.del summary { cursor: pointer; color: var(--muted); }

.composer {
  position: sticky;
  bottom: 0;
  padding: 0.8rem 1rem 1rem;
  background: #efe8dc;
  border-top: 1px solid var(--line);
}
.composer.is-drop {
  outline: 2px dashed var(--accent);
  outline-offset: -6px;
  background: #f7e6d6;
}
.composer-row {
  display: flex;
  gap: 0.7rem;
  align-items: flex-end;
  margin-top: 0.5rem;
}
.delkey { flex: 1; }
.composer .hint { margin: 0.5rem 0 0; }

@media (max-width: 640px) {
  .top { flex-direction: column; align-items: flex-start; }
  .top-meta { text-align: left; }
  .composer-row { flex-direction: column; align-items: stretch; }
}