* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', sans-serif;
  background: #0f0f0f;
  color: #e8e8e8;
  min-height: 100vh;
}

a { color: inherit; }

/* ── Navbar ── */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 2rem;
  background: #141414;
  border-bottom: 1px solid #222;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: #4f9cf9;
  text-decoration: none;
}
.nav-links { display: flex; align-items: center; gap: 1.25rem; }
.nav-links a {
  color: #aaa;
  text-decoration: none;
  font-size: 0.9rem;
}
.nav-links a:hover { color: #e8e8e8; }
.nav-user { color: #4f9cf9; font-size: 0.9rem; }
.nav-logout {
  background: none;
  border: 1px solid #333;
  color: #aaa;
  font-size: 0.85rem;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
}
.nav-logout:hover { border-color: #4f9cf9; color: #e8e8e8; }

.page { max-width: 900px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }

/* ── Auth pages ── */
.auth-wrap {
  min-height: calc(100vh - 40px);
  display: flex;
  align-items: center;
  justify-content: center;
}
.auth-card {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 14px;
  padding: 2.5rem;
  width: 100%;
  max-width: 360px;
  text-align: center;
}
.auth-title { font-size: 1.6rem; margin-bottom: 0.25rem; }
.auth-sub { color: #888; font-size: 0.9rem; margin-bottom: 1.5rem; }
.auth-form { display: flex; flex-direction: column; gap: 0.6rem; text-align: left; }
.auth-form label { font-size: 0.8rem; color: #999; margin-top: 0.4rem; }
.auth-form input {
  background: #0f0f0f;
  border: 1px solid #333;
  color: #e8e8e8;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  font-size: 0.95rem;
}
.auth-form input:focus { outline: none; border-color: #4f9cf9; }
.auth-form button {
  margin-top: 1rem;
  background: #4f9cf9;
  border: none;
  color: #0f0f0f;
  font-weight: 600;
  padding: 0.7rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.95rem;
}
.auth-form button:hover { background: #7ab8ff; }
.auth-error {
  background: #3a1a1a;
  color: #ff9d9d;
  border: 1px solid #5a2a2a;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}
.auth-switch { margin-top: 1.25rem; font-size: 0.85rem; color: #888; }
.auth-switch a { color: #4f9cf9; text-decoration: none; }
.invite-banner {
  background: #1e3a5f;
  color: #a9cdfb;
  border: 1px solid #2a4d78;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  text-align: left;
}
.invite-permission { color: #999; font-size: 0.88rem; margin-bottom: 1.25rem; }
.invite-actions { display: flex; flex-direction: column; gap: 0.7rem; align-items: center; }
.invite-cta {
  display: inline-block;
  text-decoration: none;
  width: 100%;
  text-align: center;
}
.invite-login-link { color: #4f9cf9; font-size: 0.85rem; text-decoration: none; }
.invite-login-link:hover { text-decoration: underline; }

/* ── Home ── */
.home-wrap { display: flex; flex-direction: column; gap: 1.5rem; }
.actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.action-card {
  flex: 1 1 220px;
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 14px;
  padding: 1.5rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  transition: border-color 0.2s, transform 0.15s;
}
.action-card:hover { border-color: #4f9cf9; transform: translateY(-2px); }
.action-icon { font-size: 1.8rem; }
.action-title { font-weight: 600; font-size: 1.05rem; }
.action-sub { color: #888; font-size: 0.85rem; }

.feed-heading, .search-heading { font-size: 1.2rem; color: #ccc; margin-top: 0.5rem; }

.feed { display: flex; flex-direction: column; gap: 0.8rem; }
.entry-card {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 1rem 1.2rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: border-color 0.15s;
}
.entry-card:hover { border-color: #4f9cf9; }
.entry-thumb {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  border-radius: 8px;
}
.entry-meta { display: flex; gap: 0.8rem; font-size: 0.8rem; color: #4f9cf9; flex-wrap: wrap; }
.entry-location { color: #999; }
.entry-author { color: #7a7a7a; }
.entry-preview { color: #bbb; font-size: 0.92rem; line-height: 1.4; }
.empty-state { color: #777; padding: 1.5rem 0; text-align: center; }
.feed-end { text-align: center; color: #555; font-size: 0.85rem; padding: 1rem 0; }

.export-links { display: flex; gap: 1.2rem; margin-top: 1rem; }
.export-links a { color: #4f9cf9; text-decoration: none; font-size: 0.9rem; }
.export-links a:hover { text-decoration: underline; }

/* ── Sharing ── */
.share-section {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.share-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem; }
.share-header .feed-heading { margin-top: 0; }
.btn-secondary {
  background: none;
  border: 1px solid #4f9cf9;
  color: #4f9cf9;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-secondary:hover { background: #1e3a5f; }
.member-list { display: flex; flex-direction: column; gap: 0.4rem; }
.member-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.88rem;
  padding: 0.4rem 0.6rem;
  background: #0f0f0f;
  border-radius: 8px;
}
.member-name { font-weight: 600; }
.member-perm { color: #888; flex: 1; }
.member-remove {
  background: none;
  border: 1px solid #5a2a2a;
  color: #ff9d9d;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.78rem;
}
.member-remove:hover { background: #3a1a1a; }
.invite-form { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.invite-form select {
  background: #0f0f0f;
  border: 1px solid #333;
  color: #e8e8e8;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  font-size: 0.85rem;
}
.invite-result { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.invite-result input {
  flex: 1;
  min-width: 200px;
  background: #0f0f0f;
  border: 1px solid #333;
  color: #e8e8e8;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  font-size: 0.85rem;
}
.invite-result button {
  background: #4f9cf9;
  border: none;
  color: #0f0f0f;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
}

/* ── Search ── */
.search-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 1rem;
}
.search-filters input {
  background: #0f0f0f;
  border: 1px solid #333;
  color: #e8e8e8;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  font-size: 0.9rem;
}
.date-label { display: flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; color: #999; }
.search-filters button {
  background: none;
  border: 1px solid #333;
  color: #aaa;
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  font-size: 0.85rem;
}
.search-filters button:hover { border-color: #4f9cf9; color: #e8e8e8; }

/* ── Editor ── */
.editor-wrap { display: flex; flex-direction: column; gap: 0.9rem; }
.editor-topbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.6rem; }
.meta-fields { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.meta-fields input {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  color: #e8e8e8;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
}
.save-status { color: #4f9cf9; font-size: 0.85rem; min-width: 140px; text-align: right; }
.meta-readonly { display: flex; gap: 0.8rem; align-items: center; font-size: 0.9rem; color: #4f9cf9; flex-wrap: wrap; }
.meta-readonly .entry-location, .meta-readonly .entry-author { color: #999; }
.paper-readonly { cursor: default; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 10px;
  padding: 0.5rem;
  position: sticky;
  top: 60px;
  z-index: 50;
}
.toolbar button {
  background: #0f0f0f;
  border: 1px solid #333;
  color: #ddd;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}
.toolbar button:hover { border-color: #4f9cf9; color: #fff; }
.toolbar-sep { width: 1px; align-self: stretch; background: #2a2a2a; margin: 0 0.2rem; }

.paper {
  background: #fdfbf6;
  color: #2a2620;
  border-radius: 10px;
  padding: 2.5rem 3rem;
  min-height: 60vh;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.08rem;
  line-height: 1.7;
  box-shadow: 0 6px 24px rgba(0,0,0,0.35);
}
.paper:focus { outline: none; }
.paper.is-empty::before {
  content: attr(data-placeholder);
  color: #999;
  pointer-events: none;
}
.paper img { max-width: 100%; border-radius: 6px; margin: 0.75rem 0; display: block; }
.paper h2 { font-size: 1.4rem; margin: 0.6rem 0; }
.paper ul, .paper ol { margin-left: 1.4rem; margin-bottom: 0.6rem; }
.paper p, .paper div { margin-bottom: 0.4rem; }

.editor-bottombar { display: flex; align-items: center; gap: 1rem; }
.btn-primary {
  background: #4f9cf9;
  border: none;
  color: #0f0f0f;
  font-weight: 600;
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}
.btn-primary:hover { background: #7ab8ff; }
.entry-export { display: inline-flex; align-items: center; gap: 1rem; }
.entry-export a { color: #4f9cf9; text-decoration: none; font-size: 0.88rem; }
.entry-export a:hover { text-decoration: underline; }
.btn-danger {
  background: none;
  border: 1px solid #5a2a2a;
  color: #ff9d9d;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-danger:hover { background: #3a1a1a; }

@media (max-width: 640px) {
  .navbar { padding: 0.8rem 1rem; }
  .page { padding: 1.25rem 0.75rem 3rem; }
  .paper { padding: 1.5rem 1.25rem; }
  .toolbar { top: 52px; }
}