/* ─── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body { font-family: "Georgia", serif; background: var(--bg); color: var(--text); min-height: 100vh; }

/* ─── Tokens ─────────────────────────────────────────────────────────────── */
:root {
  --bg: #faf9f7;
  --bg-sidebar: #1c1917;
  --bg-card: #ffffff;
  --text: #1c1917;
  --text-muted: #78716c;
  --text-sidebar: #d6d3d1;
  --text-sidebar-muted: #78716c;
  --accent: #b45309;
  --accent-light: #fef3c7;
  --accent-dark: #92400e;
  --border: #e7e5e4;
  --border-sidebar: #292524;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
}

/* ─── Layout ─────────────────────────────────────────────────────────────── */
.layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

/* ─── Sidebar ────────────────────────────────────────────────────────────── */
.sidebar {
  background: var(--bg-sidebar);
  padding: 24px 0 40px;
  overflow-y: auto;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px 24px;
  border-bottom: 1px solid var(--border-sidebar);
  margin-bottom: 20px;
}
.brand-icon { font-size: 1.2rem; }
.brand-name { font-size: .95rem; font-weight: 600; color: var(--text-sidebar); letter-spacing: .02em; }

.sidebar-year-section { margin-bottom: 8px; }
.sidebar-year-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-sidebar-muted);
  padding: 0 20px 6px;
}

.sidebar-months { list-style: none; }
.sidebar-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 6px 20px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-sidebar-muted);
  font-size: .88rem;
  font-family: inherit;
  text-align: left;
  border-radius: 0;
  transition: background .12s, color .12s;
}
.sidebar-item:hover { background: rgba(255,255,255,.06); color: var(--text-sidebar); }
.sidebar-item.active { background: rgba(255,255,255,.1); color: #fff; }
.sidebar-item.current .sidebar-item-name::after { content: " •"; color: var(--accent); }

.sidebar-yearend, .sidebar-letter, .sidebar-podcast { margin-top: 2px; }
.sidebar-letter .sidebar-item-name, .sidebar-podcast .sidebar-item-name {
  font-style: italic;
}
.sidebar-podcast { border-top: 1px solid var(--border-sidebar); margin-top: 8px; padding-top: 4px; }

.sidebar-section-header {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-sidebar-muted);
  padding: 12px 20px 6px;
  border-top: 1px solid var(--border-sidebar);
  margin-top: 12px;
}

.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ─── Main ───────────────────────────────────────────────────────────────── */
.main {
  padding: 48px 56px;
  max-width: 780px;
}

/* ─── Prompt form ────────────────────────────────────────────────────────── */
.prompt-form { }

.form-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 8px;
}
.form-header h2 { font-size: 1.7rem; font-weight: 700; color: var(--text); }

.progress-badge {
  font-size: .75rem;
  font-family: "ui-monospace", monospace;
  background: var(--accent-light);
  color: var(--accent-dark);
  border-radius: 99px;
  padding: 2px 10px;
}
.progress-badge.year-end { background: #f0fdf4; color: #166534; }
.progress-badge.podcast { background: #eff6ff; color: #1e40af; }

.form-intro {
  font-size: .9rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  font-style: italic;
}

.prompts { display: flex; flex-direction: column; gap: 28px; margin-top: 32px; }

.prompt-item { display: flex; flex-direction: column; gap: 8px; }
.prompt-question {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}
.prompt-textarea, .prompt-input {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: .93rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg-card);
  resize: vertical;
  transition: border-color .15s, box-shadow .15s;
  line-height: 1.6;
}
.prompt-input { resize: none; height: 40px; }
.prompt-textarea:focus, .prompt-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(180,83,9,.12);
}
.prompt-textarea::placeholder, .prompt-input::placeholder { color: #c4bdb8; }

.form-footer { margin-top: 40px; }

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 10px 24px;
  font-size: .93rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.btn-primary:hover { background: var(--accent-dark); }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; }
.btn-large { padding: 14px 32px; font-size: 1rem; }

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 18px;
  font-size: .88rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.btn-secondary:hover { border-color: var(--text-muted); color: var(--text); }

/* ─── Letter view ────────────────────────────────────────────────────────── */
.letter-view { }
.letter-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}
.letter-toolbar h2 { font-size: 1.5rem; font-weight: 700; }
.toolbar-actions { display: flex; gap: 10px; }

.letter-content {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 48px;
  box-shadow: var(--shadow);
  max-width: 660px;
}
.letter-content p {
  margin: 0 0 1.2em;
}
.letter-content p:last-child { margin-bottom: 0; }

/* ─── Welcome ────────────────────────────────────────────────────────────── */
.welcome {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: var(--bg);
}
.welcome-inner {
  max-width: 480px;
  text-align: center;
}
.welcome-icon { font-size: 2.4rem; display: block; margin-bottom: 16px; }
.welcome-inner h1 { font-size: 2rem; font-weight: 700; margin-bottom: 12px; }
.welcome-tagline { font-size: 1.05rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 36px; }

.welcome-how {
  text-align: left;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.how-step { display: flex; gap: 14px; align-items: flex-start; font-size: .93rem; }
.how-num { font-family: monospace; font-size: .78rem; color: var(--accent); font-weight: 700; padding-top: 2px; flex-shrink: 0; }

.welcome-form { display: flex; flex-direction: column; gap: 12px; }
.welcome-label { font-size: .88rem; font-weight: 600; text-align: left; }
.welcome-input {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 1rem;
  font-family: inherit;
  width: 100%;
  transition: border-color .15s;
}
.welcome-input:focus { outline: none; border-color: var(--accent); }

/* ─── Sidebar brand active ───────────────────────────────────────────────── */
.sidebar-brand-active { background: rgba(255,255,255,.1) !important; border-radius: 0; }

/* ─── Home page ──────────────────────────────────────────────────────────── */
.home { max-width: 680px; }

.home-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 20px;
}
.home-year { font-size: 2.8rem; font-weight: 800; line-height: 1; letter-spacing: -.02em; }
.home-sub { font-size: 1rem; color: var(--text-muted); margin-top: 4px; font-style: italic; }

.home-section { margin-bottom: 36px; }
.section-label { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); }

.progress-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.progress-count { font-size: .82rem; font-family: monospace; color: var(--text-muted); }
.progress-bar-track { height: 6px; background: var(--border); border-radius: 99px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: var(--accent); border-radius: 99px; transition: width .4s ease; }

/* Month grid */
.month-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 36px;
}
.month-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 8px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
  font-family: inherit;
}
.month-card:hover:not(:disabled) { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(180,83,9,.1); }
.month-card.done { border-color: #a3cfb8; background: #f0fdf4; }
.month-card.current { border-color: var(--accent); }
.month-card.future { opacity: .35; cursor: default; }
.month-card-name { font-size: .85rem; font-weight: 600; color: var(--text); }
.month-card-count { font-size: .7rem; font-family: monospace; color: #16a34a; }
.month-card-pending { font-size: .68rem; color: var(--text-muted); font-style: italic; }
.month-card-future { font-size: .7rem; color: #ccc; }

/* Checklist */
.checklist { display: flex; flex-direction: column; gap: 8px; }
.checklist-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: border-color .15s;
  width: 100%;
}
.checklist-item:hover { border-color: var(--accent); }
.checklist-item.done { border-color: #a3cfb8; background: #f0fdf4; }
.checklist-item.partial { border-color: #fbbf24; }

.check-icon { font-size: 1.1rem; flex-shrink: 0; width: 22px; text-align: center; }
.check-icon.done { color: #16a34a; }
.check-icon.partial { color: #d97706; }

.check-body { display: flex; flex-direction: column; flex: 1; gap: 2px; }
.check-label { font-size: .92rem; font-weight: 600; color: var(--text); }
.check-detail { font-size: .78rem; color: var(--text-muted); }

.check-arrow { font-size: .85rem; color: var(--text-muted); flex-shrink: 0; }

/* Missing months */
.missing-months { display: flex; flex-wrap: wrap; gap: 8px; }
.missing-tag {
  padding: 6px 14px;
  border: 1.5px solid var(--border);
  border-radius: 99px;
  background: var(--bg-card);
  font-size: .83rem;
  font-family: inherit;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.missing-tag:hover { border-color: var(--accent); color: var(--accent); }

.home-all-done {
  font-size: .9rem;
  color: #16a34a;
  font-style: italic;
  padding: 12px 0;
}

/* ─── All-years view ─────────────────────────────────────────────────────── */
.all-years-content { display: flex; flex-direction: column; gap: 0; }
.year-letter-block { }
.year-divider { border: none; border-top: 2px dashed var(--border); margin: 48px 0; }

/* ─── Print / PDF export ─────────────────────────────────────────────────── */
@media print {
  /* Hide everything except the letter content */
  .sidebar,
  .letter-toolbar,
  .toolbar-actions,
  .home-header button,
  .tab-bar {
    display: none !important;
  }

  .layout {
    display: block;
  }

  .main {
    padding: 0;
    max-width: 100%;
  }

  .letter-content,
  .all-years-content .letter-content {
    border: none;
    box-shadow: none;
    padding: 0;
    max-width: 100%;
    font-size: 11pt;
    line-height: 1.7;
  }

  .year-divider {
    border-top: 1px solid #999;
    margin: 32pt 0;
  }

  /* Each year starts on a new page */
  .print-page-break + .print-page-break {
    page-break-before: always;
  }

  @page {
    margin: 1.2in 1in;
  }
}

/* ─── Tabs ───────────────────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-top: 20px;
}
.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  padding: 8px 20px;
  font-size: .9rem;
  font-family: inherit;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }