/* pipergoins.com Phase 2 — mobile-first */

:root {
  --bg: #fafaf7;
  --surface: #ffffff;
  --ink: #1f2933;
  --ink-soft: #52606d;
  --muted: #9aa5b1;
  --line: #e4e7eb;
  --accent: #1d6f8b;
  --accent-ink: #ffffff;
  --danger: #b42318;
  --shadow: 0 1px 2px rgba(15,23,42,0.04), 0 4px 12px rgba(15,23,42,0.06);
  --radius: 8px;
  /* Touch target minimum; iOS HIG = 44pt, Android = 48dp */
  --tap: 44px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-size: 16px; /* avoid iOS zoom on input focus */
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

#app { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }

/* ------- nav (mobile-first; horizontally scrollable tabs) ------- */
header.nav {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 0.65rem 0.9rem;
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 0.5rem;
  padding-top: max(0.65rem, env(safe-area-inset-top));
}
.brand {
  font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em;
  white-space: nowrap;
}
.nav-tabs {
  display: flex; gap: 0.25rem;
  flex: 1;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab {
  padding: 0.5rem 0.85rem;
  border-radius: 6px;
  color: var(--ink-soft);
  font-weight: 500; font-size: 0.9rem;
  cursor: pointer; border: none; background: transparent;
  font-family: inherit;
  white-space: nowrap;
  min-height: var(--tap);
}
.nav-tab:hover { background: #eef2f6; }
.nav-tab.active { background: var(--accent); color: var(--accent-ink); }
.nav-admin {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 0.4rem 0.65rem;
  border-radius: 6px; font-size: 0.8rem; color: var(--ink-soft);
  cursor: pointer; min-height: var(--tap);
}
.nav-admin.locked::before { content: "🔒 "; }
.nav-admin.unlocked { color: var(--accent); border-color: var(--accent); }
.nav-admin.unlocked::before { content: "✓ "; }

/* ------- content ------- */
main.content {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 1rem 0.9rem 4rem;
  flex: 1;
  padding-bottom: max(4rem, calc(env(safe-area-inset-bottom) + 3rem));
}

footer.foot {
  text-align: center; color: var(--muted);
  padding: 1rem 0.9rem 1.5rem;
  padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
  font-size: 0.8rem;
}

/* ------- hero / home ------- */
.hero { text-align: center; margin: 1.25rem 0 1.5rem; }
.hero h1 { font-size: 1.85rem; margin: 0 0 0.4rem; letter-spacing: -0.02em; }
.hero .tagline { color: var(--ink-soft); font-size: 1rem; margin: 0; }
.about-card {
  background: var(--surface); padding: 1.1rem 1.15rem;
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.about-card p { margin: 0 0 0.85rem; }
.about-card p:last-child { margin: 0; }

.blog-intro { color: var(--ink-soft); margin: 0 0 1rem; }

/* ------- post list ------- */
.post-list { display: flex; flex-direction: column; gap: 0.85rem; }
.post-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.15s;
}
.post-card:hover { box-shadow: var(--shadow); }
.post-card:active { transform: scale(0.997); }
.post-card .cover {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block;
  background: #eef2f6;
}
.post-card .body { padding: 0.85rem 1rem; }
.post-card h3 { margin: 0 0 0.2rem; font-size: 1.1rem; letter-spacing: -0.01em; }
.post-card .meta { font-size: 0.8rem; color: var(--muted); }
.post-card .excerpt { margin-top: 0.4rem; color: var(--ink-soft); font-size: 0.92rem; }

/* ------- post view ------- */
.post-view {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  box-shadow: var(--shadow);
}
.post-view h1 { margin: 0 0 0.25rem; letter-spacing: -0.02em; font-size: 1.6rem; }
.post-meta { color: var(--muted); font-size: 0.85rem; margin-bottom: 1.25rem; }
.post-cover {
  width: 100%; max-height: 400px; object-fit: cover;
  border-radius: 6px; margin-bottom: 1.25rem; display: block;
}
.post-body { font-size: 1rem; line-height: 1.7; word-wrap: break-word; }
.post-body img { max-width: 100%; height: auto; border-radius: 4px; margin: 0.6rem 0; }
.post-body h1, .post-body h2, .post-body h3 { margin-top: 1.3rem; line-height: 1.3; }
.post-body blockquote {
  border-left: 3px solid var(--line); margin: 0.75rem 0;
  padding: 0.2rem 0.85rem; color: var(--ink-soft);
}
.post-body pre {
  background: #f3f5f7; border-radius: 4px; padding: 0.6rem;
  overflow-x: auto; font-size: 0.85rem;
}
.post-body code { background: #f3f5f7; padding: 0 0.3rem; border-radius: 3px; font-size: 0.92em; }
.post-body pre code { background: none; padding: 0; }
.post-body a { word-break: break-word; }
.post-actions {
  margin-top: 1.25rem; padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  display: flex; gap: 0.5rem; flex-wrap: wrap;
}

/* ------- comments ------- */
.comments-section { margin-top: 1.5rem; }
.comments-section h3 { margin: 0 0 0.85rem; font-size: 1.05rem; }
.comment {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 6px; padding: 0.7rem 0.85rem; margin-bottom: 0.65rem;
}
.comment .meta { font-size: 0.8rem; color: var(--muted); margin-bottom: 0.35rem; display: flex; gap: 0.4rem; align-items: baseline; flex-wrap: wrap; }
.comment .author { font-weight: 600; color: var(--ink); font-size: 0.9rem; }
.comment .body { white-space: pre-wrap; word-break: break-word; font-size: 0.95rem; }
.comment .delete { font-size: 0.75rem; color: var(--danger); background: none; border: none; padding: 0; cursor: pointer; margin-left: auto; }

.comment-form { background: var(--surface); border: 1px solid var(--line); padding: 0.85rem; border-radius: var(--radius); margin-top: 0.5rem; }
.comment-form label { font-size: 0.8rem; color: var(--ink-soft); margin-top: 0.4rem; display: block; }
.comment-form label:first-child { margin-top: 0; }

/* ------- forms ------- */
label { display: block; margin: 0.65rem 0 0.25rem; font-size: 0.85rem; color: var(--ink-soft); }
input[type=text], input[type=email], input[type=password], input[type=search],
textarea, select {
  width: 100%; padding: 0.65rem 0.7rem;
  border: 1px solid var(--line); border-radius: 6px;
  font: inherit; font-size: 16px; /* prevents iOS zoom */
  background: #fff; color: var(--ink);
  min-height: var(--tap);
}
textarea { min-height: 100px; resize: vertical; line-height: 1.5; }
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent);
}

button, .btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.6rem 1rem; min-height: var(--tap);
  border-radius: 6px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink);
  font: inherit; font-weight: 500; font-size: 0.95rem;
  cursor: pointer; touch-action: manipulation;
}
button:hover, .btn:hover { background: #f3f5f7; }
button.primary, .btn.primary {
  background: var(--accent); color: var(--accent-ink); border-color: var(--accent);
}
button.primary:hover { background: #195d76; }
button.danger { background: var(--danger); color: white; border-color: var(--danger); }
button:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-row { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; margin-top: 1rem; }

/* ------- alerts ------- */
.alert { padding: 0.7rem 0.9rem; border-radius: 6px; margin: 0.6rem 0; font-size: 0.9rem; }
.alert.error { background: #fde8e8; color: #9b1c1c; border: 1px solid #fbcaca; }
.alert.info { background: #e7f4f8; color: #084c61; border: 1px solid #cde4ed; }
.alert.success { background: #e6f4ea; color: #186537; border: 1px solid #c8e6d3; }

/* ------- editor (Quill) ------- */
.editor-wrap {
  background: var(--surface); border-radius: var(--radius);
  padding: 1rem; box-shadow: var(--shadow);
}
.editor-wrap h2 { margin: 0 0 0.75rem; font-size: 1.2rem; }
#quill-editor-container { background: #fff; min-height: 280px; }
.ql-toolbar.ql-snow, .ql-container.ql-snow { border-color: var(--line); }
.ql-container.ql-snow { font-family: inherit; font-size: 1rem; min-height: 280px; }
.ql-editor { min-height: 260px; padding: 0.85rem; }
.ql-toolbar.ql-snow { padding: 6px; flex-wrap: wrap; }
/* Ensure Quill toolbar buttons are touch-friendly */
.ql-toolbar button, .ql-toolbar .ql-picker-label { min-height: 32px; min-width: 32px; }

/* ------- admin / setnings ------- */
.admin-section {
  background: var(--surface); border-radius: var(--radius);
  padding: 1rem 1.15rem; box-shadow: var(--shadow);
  margin-bottom: 1rem;
}
.admin-section h2 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.admin-section p.muted { color: var(--ink-soft); font-size: 0.9rem; margin: 0 0 0.85rem; }

/* ------- modal ------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(15,23,42,0.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; padding: 1rem;
}
.modal {
  background: var(--surface); border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  max-width: 480px; width: 100%;
  max-height: calc(100dvh - 2rem); overflow: auto;
  box-shadow: 0 20px 50px rgba(15,23,42,0.25);
}
.modal h2 { margin: 0 0 0.85rem; font-size: 1.15rem; }
.modal .close-row { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 1.2rem; flex-wrap: wrap; }

/* ------- misc ------- */
.muted { color: var(--muted); font-size: 0.9rem; }
.empty {
  text-align: center; padding: 2.5rem 1rem; color: var(--muted);
  background: var(--surface); border: 1px dashed var(--line);
  border-radius: var(--radius);
}
.spinner { color: var(--muted); font-style: italic; padding: 1rem; text-align: center; }
.cover-thumb { width: 80px; height: 60px; object-fit: cover; border-radius: 4px; vertical-align: middle; }

.upload-zone {
  border: 2px dashed var(--line); border-radius: 6px;
  padding: 1rem; text-align: center; color: var(--ink-soft);
  margin: 0.4rem 0; cursor: pointer; min-height: var(--tap);
}
.upload-zone:hover { border-color: var(--accent); background: #f3f9fb; }

/* ------- desktop layout polish ------- */
@media (min-width: 720px) {
  header.nav { padding: 0.75rem 1.25rem; gap: 1.25rem; }
  .brand { font-size: 1.15rem; }
  .nav-tab { padding: 0.5rem 0.9rem; font-size: 0.95rem; }
  main.content { padding: 1.5rem 1.25rem 4rem; }
  .hero h1 { font-size: 2.5rem; }
  .hero .tagline { font-size: 1.15rem; }
  .post-view { padding: 1.5rem 1.75rem; }
  .post-view h1 { font-size: 2rem; }
  .post-card .cover { aspect-ratio: auto; height: 220px; }
  .post-body { font-size: 1.05rem; }
}