/* Gruvbox — three modes selected via [data-theme] on <html>.
   Default (no attribute) maps to gruvbox-dark; "dark-hard" and "light" override.
   Everything below the palette uses CSS vars and adapts automatically. */

:root, :root[data-theme="dark"] {
  --bg:           #282828;
  --bg-elev:      #32302f;
  --bg-elev-2:    #3c3836;
  --bg-hover:     #504945;
  --border:       #3c3836;
  --border-soft:  #32302f;

  --text:         #ebdbb2;
  --text-mute:    #a89984;
  --text-dim:     #665c54;

  --accent:       #fe8019;   /* gruvbox orange */
  --accent-bri:   #fabd2f;   /* gruvbox yellow */
  --accent-soft:  rgba(254,128,25,0.16);
  --on-accent:    #1d2021;

  --success:      #b8bb26;
  --warn:         #fabd2f;
  --danger:       #fb4934;

  --green-quote:  #b8bb26;
  --link:         #83a598;
  --link-bri:     #8ec07c;

  --flash:        rgba(254,128,25,0.18);
  --row-hidden:   rgba(251,73,52,0.08);
  --hl-soft:      rgba(254,128,25,0.10);

  --font: Helvetica, "Helvetica Neue", Arial, "Liberation Sans", system-ui, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", "Fira Code", "Menlo", ui-monospace, monospace;
}

:root[data-theme="dark-hard"] {
  --bg:           #1d2021;
  --bg-elev:      #282828;
  --bg-elev-2:    #32302f;
  --bg-hover:     #3c3836;
  --border:       #3c3836;
  --border-soft:  #282828;

  --text:         #ebdbb2;
  --text-mute:    #a89984;
  --text-dim:     #665c54;

  --accent:       #fe8019;
  --accent-bri:   #fabd2f;
  --accent-soft:  rgba(254,128,25,0.16);
  --on-accent:    #1d2021;

  --success:      #b8bb26;
  --warn:         #fabd2f;
  --danger:       #fb4934;

  --green-quote:  #b8bb26;
  --link:         #83a598;
  --link-bri:     #8ec07c;

  --flash:        rgba(254,128,25,0.18);
  --row-hidden:   rgba(251,73,52,0.08);
  --hl-soft:      rgba(254,128,25,0.10);
}

:root[data-theme="light"] {
  --bg:           #fbf1c7;
  --bg-elev:      #f2e5bc;
  --bg-elev-2:    #ebdbb2;
  --bg-hover:     #d5c4a1;
  --border:       #d5c4a1;
  --border-soft:  #ebdbb2;

  --text:         #3c3836;
  --text-mute:    #7c6f64;
  --text-dim:     #bdae93;

  --accent:       #af3a03;   /* darker orange for light surface */
  --accent-bri:   #d65d0e;
  --accent-soft:  rgba(175,58,3,0.12);
  --on-accent:    #fbf1c7;

  --success:      #79740e;
  --warn:         #b57614;
  --danger:       #9d0006;

  --green-quote:  #79740e;
  --link:         #076678;
  --link-bri:     #427b58;

  --flash:        rgba(175,58,3,0.16);
  --row-hidden:   rgba(157,0,6,0.06);
  --hl-soft:      rgba(175,58,3,0.08);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
}
body { min-height: 100vh; display: flex; flex-direction: column; }

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-bri); }
code, .mono { font-family: var(--mono); }
code { color: var(--accent); background: var(--accent-soft); padding: 1px 5px; border-radius: 3px; font-size: 0.92em; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
.muted { color: var(--text-mute); }
.bold { color: var(--text); font-weight: 600; }

/* ---- top bar ---- */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 10px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky; top: 0; z-index: 10;
}
.brand {
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 700; letter-spacing: 0.5px;
  font-size: 14px;
}
.brand:hover { color: var(--accent-bri); }
.brand .caret { animation: blink 1.1s steps(2, end) infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }

.boards { display: flex; gap: 4px; flex-wrap: wrap; }
.board-link {
  padding: 4px 10px;
  border-radius: 4px;
  color: var(--text-mute);
  border: 1px solid transparent;
}
.board-link:hover { color: var(--text); background: var(--bg-elev); }
.board-link.active {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent-soft);
}
.board-link.admin-link { color: var(--danger); }
.board-link.admin-link.active {
  color: var(--danger);
  background: var(--row-hidden);
  border-color: var(--row-hidden);
}

.topbar-end { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.user { display: flex; align-items: center; gap: 12px; }
.user .email { color: var(--text-mute); font-size: 12px; }
.user form { margin: 0; }

button.link {
  background: none; border: none; color: var(--text-mute); padding: 0;
  font-size: 12px; cursor: pointer;
}
button.link:hover { color: var(--accent); }
button.link.danger:hover { color: var(--danger); }

/* ---- theme switcher ---- */
.theme-switch {
  display: inline-flex; gap: 1px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px;
}
.theme-switch button {
  background: none; border: none;
  color: var(--text-mute);
  font-size: 11.5px;
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
  line-height: 1.2;
}
.theme-switch button:hover { color: var(--text); background: var(--bg-hover); }
.theme-switch button.active {
  color: var(--accent);
  background: var(--bg-hover);
}

/* ---- generic page ---- */
.page { flex: 1; max-width: 900px; width: 100%; margin: 0 auto; padding: 28px 22px 80px; }

.prompt { font-size: 18px; font-weight: 600; color: var(--text); margin: 0 0 14px; }
.prompt-sm { font-size: 13px; color: var(--text-mute); margin: 24px 0 10px; font-weight: 500; }
.prompt .muted, .prompt-sm .muted { color: var(--text-dim); font-weight: 400; }

.flash {
  border: 1px solid var(--accent-soft);
  background: var(--flash);
  color: var(--accent-bri);
  padding: 8px 14px;
  margin: 16px auto 0;
  max-width: 900px;
  border-radius: 4px;
  font-size: 13px;
}

/* ---- login ---- */
.login { max-width: 480px; margin: 60px auto 0; }
.login-form { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.login-form label { font-size: 12px; }
.login-form input {
  background: var(--bg-elev); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px;
  padding: 10px 12px; font-size: 14px; outline: none;
}
.login-form input:focus { border-color: var(--accent); }
.login-form button {
  align-self: flex-start;
  background: var(--accent); color: var(--on-accent);
  border: none; padding: 8px 16px; border-radius: 4px; font-weight: 600;
}
.login-form button:hover { background: var(--accent-bri); }

.oauth-btn {
  display: inline-flex; align-items: center; gap: 12px;
  margin-top: 18px; padding: 10px 18px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 5px; color: var(--text);
  font-size: 14px;
  transition: border-color .12s, background .12s;
}
.oauth-btn:hover { border-color: var(--accent); background: var(--bg-elev-2); color: var(--text); }
.oauth-btn .g-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(135deg, #4285f4 0%, #ea4335 100%);
  color: #fff; font-weight: 700; font-size: 13px;
}
.small { font-size: 11.5px; }
.divider {
  display: flex; align-items: center; gap: 10px; margin: 22px 0 14px;
  color: var(--text-dim); font-size: 11px; text-transform: uppercase; letter-spacing: 0.8px;
}
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.warn-tag {
  color: var(--warn); border: 1px solid var(--warn);
  padding: 0 5px; border-radius: 3px; font-size: 10px; margin-left: 6px;
  background: transparent;
}

/* ---- home / boards grid ---- */
.board-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px; margin-bottom: 32px;
}
.board-card {
  border: 1px solid var(--border); background: var(--bg-elev);
  border-radius: 5px; padding: 14px 16px;
  color: var(--text);
  transition: border-color .12s, background .12s, transform .08s;
}
.board-card:hover {
  border-color: var(--accent); background: var(--bg-elev-2);
  color: var(--text); transform: translateY(-1px);
}
.board-name { color: var(--accent); font-size: 16px; font-weight: 600; }
.board-title { color: var(--text-mute); font-size: 12px; margin-top: 4px; }

/* ---- board / thread headers ---- */
.board-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 18px;
}
.board-title-tag { color: var(--text-mute); font-size: 13px; font-weight: 400; margin-left: 8px; }
.live-dot { display: flex; align-items: center; gap: 6px; font-size: 12px; }
.live-dot .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--success); box-shadow: 0 0 8px var(--success);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.4; } }

/* ---- composer ---- */
.composer {
  display: flex; flex-direction: column; gap: 8px;
  border: 1px solid var(--border); background: var(--bg-elev);
  border-radius: 6px; padding: 12px; margin-bottom: 20px;
}
.composer-row { display: flex; gap: 8px; }
.name-input {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border-soft); border-radius: 4px;
  padding: 6px 10px; font-size: 13px;
  width: 220px; max-width: 100%; outline: none;
}
.name-input::placeholder { color: var(--text-dim); }
.name-input:focus { border-color: var(--accent); }
.composer textarea {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border-soft); border-radius: 4px;
  font-size: 14px;
  padding: 10px 12px; resize: vertical; outline: none;
}
.composer textarea::placeholder { color: var(--text-dim); }
.composer textarea:focus { border-color: var(--accent); }
.composer cap-widget {
  align-self: flex-end;
  --cap-background: var(--bg);
  --cap-border-color: var(--border-soft);
  --cap-border-radius: 4px;
  --cap-color: var(--text);
  --cap-widget-width: 230px;
  --cap-widget-height: 34px;
  --cap-widget-padding: 8px;
  --cap-gap: 10px;
  --cap-font: var(--font);
}
.composer button {
  align-self: flex-end;
  background: var(--accent); color: var(--on-accent); border: none;
  padding: 6px 14px; border-radius: 4px; font-weight: 600;
}
.composer button:hover { background: var(--accent-bri); }

/* ---- thread / posts ---- */
.thread-list, .post-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.crumbs { margin-bottom: 14px; font-size: 12px; }
.crumbs a { color: var(--text-mute); }
.crumbs a:hover { color: var(--accent); }

.thread {
  border: 1px solid var(--border); background: var(--bg-elev);
  border-radius: 5px;
  transition: border-color .12s, background .12s;
}
.thread:hover { border-color: var(--accent-soft); background: var(--bg-elev-2); }
.thread .thread-link { display: block; padding: 12px 14px; color: var(--text); }

.post {
  border: 1px solid var(--border); background: var(--bg-elev);
  border-radius: 5px; padding: 12px 14px;
  scroll-margin-top: 70px;
}
.post.op { border-color: var(--accent-soft); }
.post.hidden { opacity: 0.45; }
.post.hidden::after {
  content: "[ hidden by mod ]"; display: block;
  color: var(--warn); font-size: 11px; margin-top: 6px;
}
.post.flash-hl { animation: flash 1.2s ease-out; }
@keyframes flash {
  0%   { background: var(--flash); }
  100% { background: var(--bg-elev); }
}

.post-meta {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 12px; margin-bottom: 8px;
}
.username { color: var(--accent); font-weight: 600; }
.anon { color: var(--text); font-weight: 500; }
.trip {
  color: var(--text-mute); font-family: var(--mono); font-size: 11.5px;
  background: var(--bg-elev-2); padding: 0 5px; border-radius: 3px;
}
.op-pill {
  color: var(--success); border: 1px solid var(--success);
  padding: 0 6px; border-radius: 3px; font-size: 10px; letter-spacing: 0.6px;
  background: transparent;
}
.board-pill {
  color: var(--accent); background: var(--accent-soft);
  padding: 0 6px; border-radius: 3px; font-size: 11px;
}
.replies { color: var(--text-mute); }
.postno { font-family: var(--mono); font-size: 11px; }
.postno:hover { color: var(--accent); }
.quote-btn {
  background: none; border: 1px solid transparent;
  color: var(--text-dim); font-size: 13px; line-height: 1;
  padding: 1px 5px; border-radius: 3px;
}
.quote-btn:hover { color: var(--accent); border-color: var(--accent-soft); background: var(--bg-elev-2); }
.mod-inline { margin-left: auto; }

.post-body {
  font-size: 13.5px; white-space: pre-wrap; word-break: break-word;
}
.post-body .greentext { color: var(--green-quote); }
.post-body .ext-link { color: var(--link); text-decoration: underline dotted; }
.post-body .img-link {
  color: var(--accent); border: 1px dashed var(--accent-soft);
  padding: 1px 6px; border-radius: 3px; font-size: 12px;
}
.post-body .img-link:hover { background: var(--accent-soft); }
.post-body .postref, .backlinks .postref {
  color: var(--accent); font-family: var(--mono); text-decoration: underline dotted;
}
.post-body .postref:hover, .backlinks .postref:hover { color: var(--accent-bri); }

.backlinks {
  margin-top: 8px; padding-top: 6px;
  border-top: 1px dashed var(--border);
  font-size: 11.5px;
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  color: var(--text-mute);
}
.backref { font-weight: 500; }

.compact .post { padding: 8px 12px; }
.compact .post-body { font-size: 12.5px; color: var(--text-mute); }

/* ---- postref hover preview ---- */
.ref-preview {
  position: absolute; z-index: 50;
  max-width: min(640px, 80vw);
  background: var(--bg-elev-2);
  border: 1px solid var(--accent-soft);
  border-radius: 5px;
  padding: 10px 12px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
  pointer-events: none;
  font-size: 12.5px;
}
.ref-preview .post-meta { margin-bottom: 6px; }

/* ---- admin ---- */
.admin-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.admin-table th, .admin-table td {
  text-align: left; padding: 8px 10px;
  border-bottom: 1px solid var(--border); vertical-align: top;
}
.admin-table th { color: var(--text-mute); font-weight: 500; }
.admin-table td.preview { max-width: 360px; overflow: hidden; text-overflow: ellipsis; }
.admin-table .col-email { font-size: 11.5px; white-space: nowrap; }
.admin-table .email-tag {
  color: var(--warn);
  background: var(--hl-soft);
  border: 1px solid var(--accent-soft);
  padding: 1px 6px; border-radius: 3px;
}
.admin-table tr.row-hidden { background: var(--row-hidden); }
.admin-table tr.row-hidden td { color: var(--text-mute); }

/* ---- image popup ---- */
.img-modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.img-modal[hidden] { display: none; }
.img-modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.85); backdrop-filter: blur(2px); }
.img-modal-frame {
  position: relative; max-width: 90vw; max-height: 90vh;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 6px;
  padding: 14px;
}
.img-modal-img { max-width: 86vw; max-height: 78vh; border-radius: 4px; background: #000; }
.img-modal-close {
  position: absolute; top: 6px; right: 10px;
  background: none; border: none; color: var(--text-mute);
  font-size: 22px; line-height: 1; cursor: pointer;
}
.img-modal-close:hover { color: var(--accent); }
.img-modal-src { color: var(--text-mute); font-size: 11px; }

/* ---- footer ---- */
.footer { padding: 14px 22px; border-top: 1px solid var(--border); text-align: center; font-size: 11px; color: var(--text-dim); }

/* ---- small screens ---- */
@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; gap: 12px; padding: 10px 14px; }
  .boards { order: 3; flex-basis: 100%; }
  .topbar-end { margin-left: auto; }
  .page { padding: 18px 14px 60px; }
}
