/* ── Tokens (local overrides / app-specific) ────────────────── */
:root {
  --sidebar-w:    240px;
  --sidebar-w-sm: 200px;
  --statusbar-h:  36px;
  --toolbar-h:    44px;
  --editor-max:   680px;
  --pin-overlay-bg: rgba(248, 244, 238, 0.97);
}

/* ── Base ────────────────────────────────────────────────────── */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  height: 100%;
}

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-ui);
  height: 100%;
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

/* ── App Shell ───────────────────────────────────────────────── */
#app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--cream);
  border-right: 1px solid var(--cream-border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  transition: width 220ms var(--ease-out),
              transform 220ms var(--ease-out),
              opacity 220ms ease;
  z-index: 100;
}

#sidebar.collapsed {
  width: 0;
  overflow: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 14px 12px;
  border-bottom: 1px solid var(--cream-border);
  flex-shrink: 0;
  gap: 12px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
}

.app-meta {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.app-name {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
  line-height: 1;
}

.app-tag {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-style: italic;
  color: var(--ink-muted);
  line-height: 1;
}

.header-utils {
  display: flex;
  align-items: center;
  gap: 8px;
}

.util-btn {
  background: none;
  border: none;
  color: var(--ink-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background 0.15s;
}

.util-btn:hover {
  color: var(--ink);
  background: var(--cream-border);
}

.util-btn svg, .util-btn i,
#offline-indicator svg, #offline-indicator i {
  width: 18px;
  height: 18px;
}

.sidebar-search-row {
  padding: 10px 12px;
  border-bottom: 1px solid var(--cream-border);
  flex-shrink: 0;
}

/* month nav */
.sidebar-month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 6px;
  flex-shrink: 0;
}

.sidebar-month-label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.sidebar-month-btns {
  display: flex;
  gap: 2px;
}

.sidebar-month-btns button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-muted);
  padding: 2px 4px;
  border-radius: 3px;
  line-height: 1;
  font-size: 0.8rem;
  transition: color var(--t-fast) ease, background var(--t-fast) ease;
}

.sidebar-month-btns button:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

/* entry list */
#entry-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--cream-border) transparent;
}

#entry-list::-webkit-scrollbar { width: 4px; }
#entry-list::-webkit-scrollbar-track { background: transparent; }
#entry-list::-webkit-scrollbar-thumb { background: var(--cream-border); border-radius: 2px; }

.entry-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  cursor: pointer;
  border-radius: 0;
  transition: background var(--t-fast) ease;
  border-left: 2px solid transparent;
  user-select: none;
}

.entry-item:hover {
  background: var(--accent-soft);
}

.entry-item.active {
  background: var(--accent-soft);
  border-left-color: var(--accent);
}

.entry-item .entry-date-num {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--ink);
  min-width: 22px;
  text-align: right;
  flex-shrink: 0;
}

.entry-item .entry-date-info {
  flex: 1;
  min-width: 0;
}

.entry-item .entry-weekday {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  display: block;
}

.entry-item .entry-preview {
  font-size: 0.7rem;
  color: var(--ink-mid);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  max-width: 140px;
}

.entry-item .entry-wc {
  font-size: 0.6rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.sidebar-empty {
  padding: 24px 14px;
  font-size: 0.72rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* sidebar footer */
.sidebar-footer {
  border-top: 1px solid var(--cream-border);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.sidebar-action {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  text-align: left;
  padding: 5px 4px;
  border-radius: 4px;
  transition: color var(--t-fast) ease, background var(--t-fast) ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-action:hover { color: var(--accent); background: var(--accent-soft); }
.sidebar-action svg { width: 13px; height: 13px; stroke-width: 1.8; flex-shrink: 0; }

/* status in sidebar footer */
#irl-status {
  margin-bottom: 2px;
}

/* ── Main Area ───────────────────────────────────────────────── */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  min-width: 0;
}

/* ── Topbar ──────────────────────────────────────────────────── */
#topbar {
  height: var(--toolbar-h);
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--cream-border);
  gap: 10px;
  flex-shrink: 0;
  background: var(--cream);
  transition: opacity 200ms ease;
}

#topbar.focus-hidden {
  opacity: 0;
  pointer-events: none;
}

.topbar-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-muted);
  padding: 6px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  transition: color var(--t-fast) ease, background var(--t-fast) ease;
  flex-shrink: 0;
}

.topbar-toggle:hover { color: var(--accent); background: var(--accent-soft); }
.topbar-toggle svg { width: 16px; height: 16px; stroke-width: 1.7; pointer-events: none; }

.topbar-date {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: 0.01em;
  flex: 1;
  text-align: center;
  cursor: default;
  user-select: none;
}

.topbar-date .topbar-date-full {
  display: block;
}

/* Formatting toolbar */
#format-toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  transition: opacity 200ms ease;
}

#format-toolbar.focus-hidden {
  opacity: 0;
  pointer-events: none;
}

.fmt-btn {
  background: none;
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--ink-muted);
  padding: 5px 7px;
  border-radius: 4px;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  transition: color var(--t-fast) ease,
              background var(--t-fast) ease,
              border-color var(--t-fast) ease;
}

.fmt-btn:hover { color: var(--ink); background: var(--cream-deep); }
.fmt-btn.active { color: var(--accent); border-color: var(--accent-soft); background: var(--accent-soft); }
.fmt-btn svg { width: 14px; height: 14px; stroke-width: 1.8; pointer-events: none; }

.fmt-sep {
  width: 1px;
  height: 18px;
  background: var(--cream-border);
  margin: 0 2px;
  flex-shrink: 0;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

/* ── Editor Wrapper ──────────────────────────────────────────── */
#editor-wrap {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 24px 80px;
  scrollbar-width: thin;
  scrollbar-color: var(--cream-border) transparent;
}

#editor-wrap::-webkit-scrollbar { width: 5px; }
#editor-wrap::-webkit-scrollbar-track { background: transparent; }
#editor-wrap::-webkit-scrollbar-thumb { background: var(--cream-border); border-radius: 3px; }

/* date display above editor */
#editor-date-display {
  width: 100%;
  max-width: var(--editor-max);
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

#editor-date-display .edd-day {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 8vw, 4.5rem);
  font-weight: 400;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
}

#editor-date-display .edd-meta {
  display: flex;
  flex-direction: column;
}

#editor-date-display .edd-weekday {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

#editor-date-display .edd-monthyear {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--ink-mid);
  font-style: italic;
}

/* The editor itself */
#editor {
  width: 100%;
  max-width: var(--editor-max);
  min-height: 60vh;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.85;
  color: var(--ink);
  outline: none;
  caret-color: var(--accent);
  word-break: break-word;
  overflow-wrap: break-word;
  /* Subtly suggest the page edge */
  padding-bottom: 120px;
}

#editor:empty::before {
  /* No placeholder. PRD §8: "The blinking cursor is the invitation." */
  content: '';
}

#editor p { margin: 0; }
#editor p + p { margin-top: 0.4em; }
#editor ul, #editor ol { padding-left: 1.4em; }
#editor li { margin: 0.2em 0; }
#editor strong { font-weight: 600; }
#editor em { font-style: italic; }

/* ── Status Bar ──────────────────────────────────────────────── */
#statusbar {
  height: var(--statusbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border-top: 1px solid var(--cream-border);
  flex-shrink: 0;
  background: var(--cream);
  gap: 12px;
  transition: opacity 200ms ease;
}

#statusbar.focus-hidden {
  opacity: 0;
  pointer-events: none;
}

#word-count {
  font-size: 0.68rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  user-select: none;
}

#save-indicator {
  font-size: 0.68rem;
  color: var(--green);
  letter-spacing: 0.04em;
  opacity: 0;
  transition: opacity 200ms ease;
  user-select: none;
}

#save-indicator.visible { opacity: 1; }

/* ── Floating toolbar (mobile / selection) ───────────────────── */
#float-toolbar {
  position: fixed;
  z-index: 5000;
  background: var(--ink);
  border-radius: 8px;
  padding: 5px 6px;
  display: none;
  gap: 2px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  /* hidden until JS shows it */
}

#float-toolbar.visible {
  display: flex;
}

.float-btn {
  background: none;
  border: none;
  color: var(--cream);
  cursor: pointer;
  padding: 4px 7px;
  border-radius: 5px;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1;
  display: flex;
  align-items: center;
  min-width: 28px;
  justify-content: center;
  transition: background var(--t-fast) ease;
}

.float-btn:hover { background: rgba(255,255,255,0.15); }
.float-btn svg { width: 13px; height: 13px; stroke-width: 1.8; pointer-events: none; }

/* ── Sidebar overlay (mobile) ────────────────────────────────── */
#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(28, 23, 18, 0.35);
  z-index: 90;
  backdrop-filter: blur(1px);
}

/* ── PIN Screen ──────────────────────────────────────────────── */
#pin-screen {
  position: fixed;
  inset: 0;
  z-index: 8000;
  background: var(--pin-overlay-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  /* hidden by default, shown by JS */
  display: none;
}

.pin-logo {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
  margin-bottom: 40px;
}

.pin-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.pin-subtitle {
  font-size: 0.72rem;
  color: var(--ink-muted);
  margin-bottom: 32px;
  letter-spacing: 0.03em;
}

.pin-dots {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
}

.pin-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1.5px solid var(--cream-border);
  background: transparent;
  transition: background 150ms ease, border-color 150ms ease;
}

.pin-dot.filled {
  background: var(--ink);
  border-color: var(--ink);
}

.pin-dot.error {
  background: var(--red);
  border-color: var(--red);
}

.pin-keypad {
  display: grid;
  grid-template-columns: repeat(3, 56px);
  gap: 10px;
  margin-bottom: 20px;
}

.pin-key {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast) ease,
              border-color var(--t-fast) ease,
              transform var(--t-fast) ease;
  user-select: none;
}

.pin-key:hover, .pin-key:active {
  background: var(--accent-soft);
  border-color: var(--accent);
  transform: scale(0.96);
}

.pin-key.del {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--ink-muted);
  background: transparent;
  border-color: transparent;
}

.pin-key.del:hover { background: var(--cream-deep); border-color: var(--cream-border); }
.pin-key.zero { grid-column: 2; }

.pin-error-msg {
  font-size: 0.72rem;
  color: var(--red);
  letter-spacing: 0.04em;
  height: 18px;
  text-align: center;
}

/* ── Modal (Settings / Export / PIN setup) ───────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 7000;
  background: rgba(28, 23, 18, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: 0 12px 48px rgba(0,0,0,0.18);
  width: 100%;
  max-width: 420px;
  max-height: 88vh;
  overflow-y: auto;
  transform: translateY(12px) scale(0.98);
  transition: transform 220ms var(--ease-out);
}

.modal-backdrop.open .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--card-border);
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-muted);
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  transition: color var(--t-fast) ease;
}

.modal-close:hover { color: var(--accent); }
.modal-close svg { width: 16px; height: 16px; stroke-width: 1.8; pointer-events: none; }

.modal-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-section-label {
  font-size: 0.63rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: -6px;
}

.modal-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  background: var(--cream);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition: border-color var(--t-fast) ease, background var(--t-fast) ease;
}

.modal-btn:hover { border-color: var(--accent); background: var(--accent-soft); }
.modal-btn svg { width: 14px; height: 14px; stroke-width: 1.8; color: var(--ink-mid); flex-shrink: 0; pointer-events: none; }
.modal-btn .modal-btn-label { flex: 1; }
.modal-btn .modal-btn-desc { font-size: 0.65rem; color: var(--ink-muted); display: block; }

.modal-btn.danger { border-color: var(--red-soft); }
.modal-btn.danger:hover { border-color: var(--red); background: var(--red-soft); }
.modal-btn.danger svg { color: var(--red); }

.modal-warning {
  font-size: 0.7rem;
  color: var(--ink-muted);
  line-height: 1.6;
  padding: 10px 12px;
  background: var(--cream-deep);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--accent);
}

.modal-warning strong { color: var(--ink); font-weight: 500; }

.modal-input-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modal-input-row label {
  font-size: 0.68rem;
  color: var(--ink-mid);
  letter-spacing: 0.04em;
}

.modal-input-row input {
  padding: 9px 11px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  background: var(--cream);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--ink);
  outline: none;
  letter-spacing: 0.12em;
  transition: border-color var(--t-fast) ease;
}

.modal-input-row input:focus { border-color: var(--accent); }

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.modal-action-btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  cursor: pointer;
  transition: background var(--t-fast) ease, border-color var(--t-fast) ease;
}

.modal-action-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.modal-action-btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.modal-action-btn.secondary { background: var(--cream); color: var(--ink-mid); }
.modal-action-btn.secondary:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--ink); }
.modal-action-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.modal-error { font-size: 0.7rem; color: var(--red); }

/* ── Storage Warning Banner ──────────────────────────────────── */
#storage-warning {
  display: none;
  padding: 10px 16px;
  background: var(--accent-soft);
  border-bottom: 1px solid var(--cream-border);
  font-size: 0.72rem;
  color: var(--ink-mid);
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

#storage-warning.visible {
  display: flex;
}

#storage-warning button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1;
  padding: 0 2px;
  margin-left: auto;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 700px) {
  :root { --sidebar-w: 80vw; }

  #sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    transform: translateX(-100%);
    width: var(--sidebar-w) !important;
    z-index: 200;
  }

  #sidebar.mobile-open {
    transform: translateX(0);
  }

  #sidebar.collapsed {
    width: var(--sidebar-w) !important;
  }

  #sidebar-overlay.visible {
    display: block;
  }

  #format-toolbar {
    display: none; /* show only as float-toolbar on mobile */
  }

  #editor-wrap {
    padding: 28px 18px 80px;
  }

  #editor-date-display .edd-day {
    font-size: clamp(2.2rem, 10vw, 3.5rem);
  }
}

@media (min-width: 701px) {
  #float-toolbar { display: none !important; }
}