*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --paper: #fffbe8;
  --sidebar: #f6f1de;
  --ink: #2b2416;
  --muted: #8a7d62;
  --accent: #f4d35e;
  --accent-dark: #d4ae2a;
  --white: #fffef8;
  --border: #ead9a0;
  --danger: #c0392b;
  --safe-top: 0px;
  --safe-top: constant(safe-area-inset-top);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: 0px;
  --safe-right: constant(safe-area-inset-right);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: 0px;
  --safe-bottom: constant(safe-area-inset-bottom);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: 0px;
  --safe-left: constant(safe-area-inset-left);
  --safe-left: env(safe-area-inset-left, 0px);
}

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  min-height: max(100vh, 100dvh);
}

html.standalone {
  background: var(--accent);
}

html.standalone,
html.standalone body {
  overscroll-behavior: none;
}

a { color: #8a6d12; }

.update-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: calc(0.5rem + var(--safe-top)) 1rem 0.5rem;
  background: #fff8e6;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

html.standalone .update-banner {
  padding-top: calc(0.5rem + 59px);
  padding-top: calc(0.5rem + max(env(safe-area-inset-top, 0px), 59px));
}

.update-banner[hidden],
.install-banner[hidden],
[hidden] {
  display: none !important;
}

.install-banner {
  max-width: 480px;
  width: calc(100% - 2rem);
  margin: 0.75rem auto 0;
  padding: 0.85rem 1rem;
  background: #fff4c4;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-align: center;
}

.install-banner p {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  line-height: 1.45;
}

.install-banner .install-steps {
  color: var(--muted);
  font-size: 0.85rem;
}

html.standalone .install-banner {
  display: none !important;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: calc(0.75rem + var(--safe-top)) calc(1rem + var(--safe-right)) 0.75rem calc(1rem + var(--safe-left));
  background: var(--accent);
  border-bottom: 1px solid var(--border);
}

body:has(.update-banner:not([hidden])) .top-bar {
  padding-top: 0.75rem;
}

/* iOS Home Screen PWAs draw under the status bar; env() is often 0 there. */
html.standalone .top-bar {
  padding-top: calc(0.75rem + 59px);
  padding-top: calc(0.75rem + max(env(safe-area-inset-top, 0px), 59px));
}

html.standalone body:has(.update-banner:not([hidden])) .top-bar {
  padding-top: 0.75rem;
}

.top-title { font-weight: 700; }
.top-actions { display: flex; align-items: center; gap: 0.5rem; }
.whoami { font-size: 0.8rem; color: #5c4d20; }

.btn {
  border: none;
  border-radius: 8px;
  padding: 0.55rem 0.95rem;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 600;
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-primary {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.btn-secondary {
  background: var(--white);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: transparent;
}

.btn-small { font-size: 0.8rem; padding: 0.3rem 0.65rem; }
.btn-large { padding: 0.85rem 2rem; font-size: 1.05rem; min-width: 200px; }
.btn-new { margin: 0.75rem 1rem; width: calc(100% - 2rem); }

.screen {
  padding: calc(2.5rem + var(--safe-top)) calc(1rem + var(--safe-right)) 2rem calc(1rem + var(--safe-left));
  text-align: center;
  max-width: 420px;
  margin: 0 auto;
}

html.standalone .screen {
  padding-top: calc(2.5rem + 59px);
  padding-top: calc(2.5rem + max(env(safe-area-inset-top, 0px), 59px));
}

.login-form, .user-form {
  display: grid;
  gap: 0.65rem;
}

.login-form input, .user-form input, .note-title {
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--white);
  color: var(--ink);
}

.error-text { color: var(--danger); }
.subtitle { color: var(--muted); line-height: 1.5; }

.app {
  display: flex;
  min-height: 100vh;
  min-height: max(100vh, 100dvh);
}

.sidebar {
  width: 320px;
  max-width: 100%;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.note-list {
  flex: 1;
  overflow-y: auto;
  padding-bottom: var(--safe-bottom);
}

.note-row {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1rem;
  cursor: pointer;
  color: inherit;
  font: inherit;
}

.note-row.active { background: #ffe9a8; }
.note-row-title {
  font-weight: 650;
  margin: 0 0 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.note-row-meta {
  font-size: 0.8rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.editor-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--paper);
}

.editor-top {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem calc(1rem + var(--safe-right)) 0.55rem calc(1rem + var(--safe-left));
  border-bottom: 1px solid var(--border);
  background: var(--white);
}

.app.editing .editor-top {
  display: flex;
}

.btn-back { display: none; }

.visibility {
  display: flex;
  margin-right: auto;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.seg {
  border: none;
  background: transparent;
  padding: 0.35rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 650;
  cursor: pointer;
  color: var(--muted);
}

.seg.on {
  background: var(--accent);
  color: var(--ink);
}

.empty-editor {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

.editor-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.note-title {
  border: none;
  border-radius: 0;
  font-size: 1.45rem;
  font-weight: 700;
  padding: 1rem 1.25rem 0.25rem;
  background: transparent;
  outline: none;
}

.toolbar {
  display: flex;
  gap: 0.25rem;
  padding: 0.35rem 1rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.toolbar button {
  min-width: 2.1rem;
  height: 2.1rem;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--ink);
}

.toolbar button.is-active,
.toolbar button.primary-tool.is-active {
  background: var(--accent);
  border-color: var(--accent-dark);
}

.toolbar button.primary-tool {
  border-color: var(--border);
}

.editor {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 1.25rem calc(2rem + var(--safe-bottom));
}

.editor .tiptap {
  outline: none;
  min-height: 50vh;
  font-size: 1.05rem;
  line-height: 1.55;
}

.editor .tiptap p { margin: 0.15rem 0 0.7rem; }
.editor .tiptap h1 { font-size: 1.6rem; margin: 0.4rem 0; }
.editor .tiptap h2 { font-size: 1.3rem; margin: 0.4rem 0; }
.editor .tiptap ul,
.editor .tiptap ol { padding-left: 1.3rem; margin: 0.2rem 0 0.8rem; }
.editor .tiptap li { margin: 0.15rem 0; }
.editor .tiptap li p { margin: 0; }

.editor .tiptap ul[data-type="taskList"] {
  list-style: none;
  padding-left: 0;
}

.editor .tiptap ul[data-type="taskList"] li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}

.editor .tiptap ul[data-type="taskList"] li input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.28rem;
  accent-color: var(--accent-dark);
}

.editor .tiptap ul[data-type="taskList"] li[data-checked="true"] > div {
  text-decoration: line-through;
  color: var(--muted);
}

.editor .tiptap p.is-editor-empty:first-child::before {
  content: attr(data-placeholder);
  color: #c0b28a;
  float: left;
  height: 0;
  pointer-events: none;
}

.login-panel, .admin-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1rem calc(2rem + var(--safe-bottom));
}

.login-panel { max-width: 360px; margin: 3rem auto; }
.user-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.user-table th, .user-table td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--border); }
.row-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

@media (max-width: 799px) {
  .app { display: block; }
  .sidebar, .editor-pane {
    width: 100%;
    min-height: 100vh;
    min-height: max(100vh, 100dvh);
    border-right: none;
  }
  .app.editing .sidebar { display: none; }
  .app:not(.editing) .editor-pane { display: none; }
  .btn-back { display: inline-block; }
  .app.editing .editor-top {
    padding-top: calc(0.55rem + var(--safe-top));
  }
  html.standalone .app.editing .editor-top {
    padding-top: calc(0.55rem + 59px);
    padding-top: calc(0.55rem + max(env(safe-area-inset-top, 0px), 59px));
  }
}

.login-link-box {
  display: grid;
  gap: 0.5rem;
  margin: 1rem 0;
  padding: 0.85rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.login-link-box input {
  width: 100%;
  font-size: 0.85rem;
}