:root {
  --bg: #EFEFE7;
  --surface: #F8F7F2;
  --ink: #20261F;
  --ink-soft: #59614F;
  --sage: #3F6652;
  --sage-dark: #2C4A3B;
  --clay: #B5723C;
  --line: #DBD6C6;
  --brick: #A24632;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--ink);
  background: var(--bg);
}
button, input, textarea { font-family: inherit; }
img { max-width: 100%; }

#app { min-height: 100vh; }
.db-boot { padding: 60px; text-align: center; color: var(--ink-soft); }
.db-error-banner { background: #F4E3DE; color: var(--brick); padding: 10px 16px; font-size: 13px; text-align: center; }

/* logo */
.db-logo { display:flex; align-items:center; gap:8px; font-family:'Source Serif 4', serif; font-size:20px; font-weight:600; color: var(--sage-dark); }
.db-logo svg { flex-shrink: 0; }

/* ---- auth screen ---- */
.db-auth { display:flex; min-height:100vh; flex-wrap: wrap; }
.db-auth-hero { flex:1 1 420px; padding:52px 46px; display:flex; flex-direction:column; justify-content:center; position:relative; overflow:hidden; }
.db-auth-hero h1 { font-family:'Source Serif 4', serif; font-size:38px; line-height:1.15; font-weight:600; margin:18px 0 14px; max-width:420px; }
.db-auth-hero p { color:var(--ink-soft); max-width:380px; line-height:1.6; font-size:15px; position:relative; z-index:2; }
.db-hero-art { position:absolute; right:-30px; bottom:-30px; width:320px; height:240px; z-index:1; }
.db-auth-card { flex:1 1 380px; background:var(--surface); border-left:1px solid var(--line); padding:46px; display:flex; flex-direction:column; justify-content:center; max-width:460px; }

.db-tabs { display:flex; gap:6px; margin-bottom:26px; border-bottom:1px solid var(--line); }
.db-tab { background:none; border:none; padding:10px 4px; margin-right:20px; font-size:14px; font-weight:500; color:var(--ink-soft); cursor:pointer; border-bottom:2px solid transparent; }
.db-tab.active { color:var(--sage-dark); border-bottom-color: var(--sage); }

.db-form { display:flex; flex-direction:column; gap:6px; }
.db-label { font-size:12.5px; color:var(--ink-soft); margin-top:10px; }
.db-input { border:1px solid var(--line); background:#fff; border-radius:9px; padding:10px 12px; font-size:14px; color:var(--ink); outline:none; width: 100%; }
.db-input:focus { border-color: var(--sage); }
.db-textarea { resize:vertical; }
.db-btn-primary { margin-top:16px; background:var(--sage); color:#fff; border:none; border-radius:9px; padding:11px 16px; font-size:14px; font-weight:600; cursor:pointer; }
.db-btn-primary:hover { background:var(--sage-dark); }
.db-btn-primary.small { margin-top:0; padding:6px 12px; font-size:13px; }
.db-btn-ghost { background:none; border:1px solid var(--line); color:var(--ink); border-radius:9px; padding:11px 16px; font-size:14px; font-weight:500; cursor:pointer; }
.db-btn-ghost.small { padding:6px 12px; font-size:13px; }
.db-hint { font-size:12px; color:var(--ink-soft); margin-top:10px; line-height:1.5; }
.db-error { font-size:13px; color: var(--brick); margin-top:8px; }

.db-role-tiles { display:flex; gap:10px; margin-bottom:6px; }
.db-tile { flex:1; text-align:left; border:1px solid var(--line); background:#fff; border-radius:10px; padding:12px; cursor:pointer; display:flex; flex-direction:column; gap:4px; color:var(--ink); }
.db-tile.active { border-color: var(--sage); background:#F1F5F0; }
.db-tile-title { font-weight:600; font-size:13.5px; }
.db-tile-sub { font-size:11.5px; color:var(--ink-soft); line-height:1.4; }

/* ---- shell / sidebar ---- */
.db-shell { display:flex; min-height:100vh; }
.db-sidebar { width:200px; flex-shrink:0; border-right:1px solid var(--line); padding:18px 14px; display:flex; flex-direction:column; position: sticky; top:0; height:100vh; }
.db-logo-side { padding: 4px 6px 22px; }
.db-nav-items { display:flex; flex-direction:column; gap:2px; flex:1; }
.db-nav-item { display:flex; align-items:center; gap:11px; background:none; border:none; padding:10px 10px; border-radius:9px; font-size:14px; color:var(--ink); cursor:pointer; text-align:left; width: 100%; }
.db-nav-item:hover { background:#E4E2D6; }
.db-nav-item.active { background:var(--sage); color:#fff; }
.db-logout { color:var(--brick); }

.db-main { flex:1; padding:28px 32px; }
.db-col { max-width:600px; margin:0 auto; }
.db-narrow { max-width:520px; }

.db-h2 { font-family:'Source Serif 4', serif; font-size:22px; font-weight:600; margin:0 0 16px; }
.db-h2.tight { margin:0; }
.db-h3 { font-size:14px; color:var(--ink-soft); margin:26px 0 12px; font-weight:600; }

.db-feed-tabs { display:flex; gap:18px; margin-bottom:18px; border-bottom:1px solid var(--line); }
.db-feedtab { background:none; border:none; padding:8px 2px 10px; font-size:13.5px; font-weight:500; color:var(--ink-soft); cursor:pointer; border-bottom:2px solid transparent; }
.db-feedtab.active { color:var(--sage-dark); border-bottom-color:var(--sage); }

.db-empty { border:1px dashed var(--line); border-radius:12px; padding:30px; text-align:center; color:var(--ink-soft); }
.db-empty p { font-weight:600; color:var(--ink); margin:0 0 4px; }
.db-empty span { font-size:13px; }

/* ---- post card ---- */
.db-post { background:var(--surface); border:1px solid var(--line); border-radius:14px; padding:16px 18px; margin-bottom:16px; }
.db-post-head { display:flex; justify-content:space-between; align-items:flex-start; }
.db-post-author { display:flex; gap:10px; align-items:center; background:none; border:none; cursor:pointer; padding:0; text-align:left; }
.db-post-name { font-weight:600; font-size:14px; }
.db-roleline { display:flex; align-items:center; gap:4px; font-size:12px; color:var(--ink-soft); }
.db-verified { color:var(--sage); }
.db-post-meta { display:flex; align-items:center; gap:8px; }
.db-time { font-size:12px; color:var(--ink-soft); }
.db-icon-btn { background:none; border:none; color:var(--ink-soft); cursor:pointer; padding:2px; }
.db-icon-btn:hover { color:var(--brick); }

.db-post-content { font-size:14.5px; line-height:1.6; margin:12px 0 0; white-space:pre-wrap; }
.db-post-image { width:100%; border-radius:10px; margin-top:12px; max-height:360px; object-fit:cover; }

.db-post-actions { display:flex; gap:16px; margin-top:12px; padding-top:10px; border-top:1px solid var(--line); }
.db-action { display:flex; align-items:center; gap:6px; background:none; border:none; color:var(--ink-soft); font-size:13px; cursor:pointer; }
.db-action.liked { color: var(--brick); }

.db-comments { margin-top:10px; padding-top:10px; border-top:1px solid var(--line); display:flex; flex-direction:column; gap:6px; }
.db-comment { font-size:13px; line-height:1.5; }
.db-comment-author { font-weight:600; margin-right:4px; }
.db-comment-form { display:flex; gap:8px; margin-top:6px; }
.db-comment-input { flex:1; }

/* ---- explore ---- */
.db-search { display:flex; align-items:center; gap:8px; border:1px solid var(--line); background:#fff; border-radius:9px; padding:8px 12px; margin-bottom:18px; color: var(--ink-soft); }
.db-search input { border:none; outline:none; flex:1; font-size:14px; background:none; color:var(--ink); }
.db-grid { display:flex; flex-direction:column; gap:14px; }
.db-explore-card { border:1px solid var(--line); background:var(--surface); border-radius:14px; padding:16px 18px; }
.db-explore-bio { font-size:13.5px; color:var(--ink-soft); margin:10px 0; line-height:1.5; }
.db-explore-footer { display:flex; justify-content:space-between; align-items:center; }
.db-followcount { font-size:12px; color:var(--ink-soft); }

/* ---- profile ---- */
.db-back { display:flex; align-items:center; gap:6px; background:none; border:none; color:var(--ink-soft); font-size:13px; cursor:pointer; margin-bottom:16px; padding:0; }
.db-avatar { border-radius:50%; color:#fff; display:flex; align-items:center; justify-content:center; font-weight:600; flex-shrink:0; font-family:'Source Serif 4', serif; overflow:hidden; background-size: cover; background-position: center; }
.db-profile-head { display:flex; gap:20px; margin-bottom:6px; }
.db-profile-info { flex:1; }
.db-profile-name-row { display:flex; align-items:center; gap:12px; justify-content:space-between; flex-wrap: wrap; }
.db-credentials { font-size:12.5px; color:var(--ink-soft); margin-top:2px; }
.db-stats { display:flex; gap:16px; margin:10px 0; font-size:13px; color:var(--ink-soft); }
.db-stats strong { color:var(--ink); }
.db-bio { font-size:14px; line-height:1.55; margin:0; }
.db-edit-form { margin:18px 0; background:var(--surface); border:1px solid var(--line); border-radius:12px; padding:16px 18px; }
.db-form-row { display:flex; gap:10px; margin-top:14px; }

/* ---- toast ---- */
.db-toast { position:fixed; bottom:22px; left:50%; transform:translateX(-50%); background:var(--ink); color:#fff; padding:10px 18px; border-radius:9px; font-size:13px; z-index: 50; }

/* ---- mobile bottom nav ---- */
.db-bottom-nav { display:none; }

@media (max-width: 780px) {
  .db-shell { flex-direction: column; }
  .db-sidebar { display: none; }
  .db-main { padding: 16px 14px 84px; }
  .db-bottom-nav {
    display:flex; justify-content: space-around; align-items:center;
    position: fixed; bottom:0; left:0; right:0; background: var(--surface);
    border-top: 1px solid var(--line); padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
    z-index: 40;
  }
  .db-bottom-nav button { background:none; border:none; color: var(--ink-soft); display:flex; flex-direction:column; align-items:center; gap:2px; font-size:10.5px; padding:4px 10px; }
  .db-bottom-nav button.active { color: var(--sage-dark); }
  .db-auth-hero { padding: 36px 24px 10px; }
  .db-auth-card { border-left:none; border-top:1px solid var(--line); padding: 28px 24px; max-width: none; }
  .db-auth-hero h1 { font-size: 28px; }
}