:root {
  --bg: #faf7f2;
  --card: #ffffff;
  --ink: #2b2620;
  --ink-soft: #6b6257;
  --accent: #8b5e34;
  --accent-dark: #6f4a27;
  --line: #e7dfd3;
  --tag-bg: #f0e7da;
  --tag-ink: #6f4a27;
  --danger: #b3402e;
  --shadow: 0 1px 3px rgba(43, 38, 32, 0.08), 0 4px 16px rgba(43, 38, 32, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

.hidden { display: none !important; }

h1, h2, h3 { font-family: "Lora", Georgia, serif; }

/* ===== Auth screen ===== */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 48px 40px;
  width: 100%;
  max-width: 380px;
  text-align: center;
}

.auth-logo { font-size: 48px; }

.auth-card h1 { margin: 12px 0 4px; font-size: 28px; }

.auth-tagline { color: var(--ink-soft); margin: 0 0 28px; }

.btn-oauth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 12px;
  font: 500 15px "Inter", sans-serif;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn-oauth:hover { background: #f7f2ea; border-color: #d8ccb9; }

/* ===== Top bar ===== */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-wrap: wrap;
}

.topbar-brand { font-family: "Lora", serif; font-weight: 600; font-size: 18px; }

.tabs { display: flex; gap: 4px; }

.tab {
  padding: 8px 18px;
  font: 500 14px "Inter", sans-serif;
  color: var(--ink-soft);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.tab:hover { background: var(--bg); color: var(--ink); }

.tab.active { background: var(--tag-bg); color: var(--accent-dark); }

.topbar-user {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-soft);
}

.avatar { width: 28px; height: 28px; border-radius: 50%; }

/* ===== Buttons ===== */
.btn-primary {
  padding: 10px 22px;
  font: 600 15px "Inter", sans-serif;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary:hover { background: var(--accent-dark); }
.btn-primary:disabled { opacity: 0.6; cursor: default; }

.btn-ghost {
  padding: 8px 14px;
  font: 500 14px "Inter", sans-serif;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.btn-ghost:hover { background: var(--bg); color: var(--ink); }

/* ===== Write panel ===== */
.panel { max-width: 760px; margin: 0 auto; padding: 32px 20px 80px; }

.write-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 32px;
}

.write-card h2 { margin: 0 0 20px; }

.field-label {
  display: block;
  font: 600 13px "Inter", sans-serif;
  color: var(--ink-soft);
  margin: 18px 0 6px;
}

.field-label .hint { font-weight: 400; }

input[type="date"], input[type="text"], input[type="search"], select, textarea {
  width: 100%;
  padding: 10px 12px;
  font: 400 15px "Inter", sans-serif;
  color: var(--ink);
  background: #fdfcfa;
  border: 1px solid var(--line);
  border-radius: 8px;
}

textarea {
  font-family: "Lora", Georgia, serif;
  font-size: 16px;
  line-height: 1.7;
  resize: vertical;
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(139, 94, 52, 0.35);
  outline-offset: 1px;
}

.write-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

.status { min-height: 20px; margin: 12px 0 0; font-size: 14px; color: var(--accent-dark); }
.status.error { color: var(--danger); }

/* ===== Tags ===== */
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

.tag {
  display: inline-block;
  padding: 3px 10px;
  font: 500 12.5px "Inter", sans-serif;
  color: var(--tag-ink);
  background: var(--tag-bg);
  border-radius: 999px;
}

button.tag { border: none; cursor: pointer; }
button.tag:hover { background: #e5d7c2; }

/* ===== Saved tags ===== */
.saved-tags { margin-top: 16px; }

.saved-tag {
  display: inline-flex;
  align-items: center;
  background: var(--tag-bg);
  border-radius: 999px;
  overflow: hidden;
}

.saved-tag .tag { border-radius: 0; }

.saved-tag .tag.active {
  background: var(--accent);
  color: #fff;
}

.tag-x {
  padding: 3px 8px 3px 4px;
  font: 500 13px "Inter", sans-serif;
  line-height: 1.4;
  color: var(--tag-ink);
  background: transparent;
  border: none;
  cursor: pointer;
}

.tag-x:hover { color: var(--danger); }

/* ===== Diary panel ===== */
#panel-diary { max-width: 860px; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 20px 20px;
  box-shadow: var(--shadow);
}

.filter-group { display: flex; flex-direction: column; }
.filter-group .field-label { margin-top: 0; }
.filter-group.grow { flex: 1 1 180px; }
.filters .btn-ghost { height: 41px; }

.diary-summary { color: var(--ink-soft); font-size: 14px; margin: 20px 4px 12px; }

.entry {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 24px 28px;
  margin-bottom: 18px;
}

.entry-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.entry-date {
  font-family: "Lora", serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--accent-dark);
  margin: 0;
}

.entry-actions { margin-left: auto; display: flex; gap: 6px; }

.entry-actions button {
  font: 500 13px "Inter", sans-serif;
  color: var(--ink-soft);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}

.entry-actions button:hover { background: var(--bg); color: var(--ink); }
.entry-actions button.delete:hover { color: var(--danger); }

.entry-content {
  font-family: "Lora", Georgia, serif;
  font-size: 16px;
  line-height: 1.75;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  margin: 12px 0 0;
}

.entry-content mark { background: #f5df9a; border-radius: 3px; padding: 0 2px; }

.entry .tag-row { margin-top: 14px; }

.month-heading {
  font-family: "Lora", serif;
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin: 30px 4px 14px;
}

.empty-state {
  text-align: center;
  color: var(--ink-soft);
  padding: 60px 20px;
  font-size: 15px;
}

/* ===== Loading ===== */
.loading {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 100;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 640px) {
  .topbar { gap: 12px; padding: 10px 14px; }
  .topbar-user #user-name { display: none; }
  .write-card { padding: 22px 18px; }
  .entry { padding: 18px 16px; }
}