/* md_diary — minimal, fast, mobile-friendly */

:root {
  --bg: #fafaf9;
  --bg-elev: #ffffff;
  --bg-soft: #f1f0ee;
  --border: #e3e1de;
  --border-strong: #cbc8c2;
  --fg: #1a1a1a;
  --fg-muted: #6b6964;
  --fg-faint: #93908a;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --warn: #b45309;
  --green: #15803d;
  --add-bg: #dcfce7;
  --del-bg: #fee2e2;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
  --mono: ui-monospace, SFMono-Regular, "JetBrains Mono", "SF Mono", Menlo, monospace;
  --sans:
    -apple-system, BlinkMacSystemFont, "Pretendard Variable", Pretendard,
    "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --bg-elev: #161922;
    --bg-soft: #1d212c;
    --border: #262a36;
    --border-strong: #353a49;
    --fg: #e7e9ee;
    --fg-muted: #9aa0ad;
    --fg-faint: #6b7280;
    --accent: #63b3ed;
    --accent-soft: #1e3a8a55;
    --danger: #f87171;
    --danger-soft: #7f1d1d55;
    --warn: #f59e0b;
    --green: #4ade80;
    --add-bg: #14532d55;
    --del-bg: #7f1d1d55;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.4);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden; /* hard guard against any child leaking horizontal scroll */
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-size-adjust: 100%;
}

button {
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--fg);
  border-radius: 8px;
  padding: 6px 10px;
  transition: background 0.12s ease, border-color 0.12s ease, transform 0.06s;
}
button:hover {
  background: var(--bg-soft);
  border-color: var(--border-strong);
}
button:active {
  transform: translateY(1px);
}
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
button.primary:hover {
  filter: brightness(1.05);
  background: var(--accent);
}
button.icon {
  padding: 6px 9px;
  font-size: 13px;
  color: var(--fg-muted);
}
button.icon:hover {
  color: var(--fg);
}
button.icon.danger:hover {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: var(--danger);
}
button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

input[type="search"],
input[type="text"] {
  width: 100%;
  font-family: inherit;
  font-size: 14px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elev);
  color: var(--fg);
  outline: none;
}
input[type="search"]:focus,
input[type="text"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ===== Layout ===== */

#app {
  display: grid;
  /* minmax(0, 1fr) instead of 1fr so the main column can shrink below its
     intrinsic content size — without this, long unbroken content keeps the
     grid track wide and overflows the viewport. */
  grid-template-columns: 280px minmax(0, 1fr);
  height: 100vh;
  height: 100dvh;
}

#sidebar {
  border-right: 1px solid var(--border);
  background: var(--bg-elev);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
.sidebar-row {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.sidebar-row:nth-child(2) {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
#btn-new {
  width: 100%;
}

#list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 4px 0;
}

.note-row {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 3px;
  position: relative;
}
.note-row:hover {
  background: var(--bg-soft);
}
.note-row.active {
  background: var(--accent-soft);
}
.note-row.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
}
.note-row .row-title {
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 6px;
}
.note-row .pin-mark {
  color: var(--accent);
  font-size: 11px;
}
.note-row .row-preview {
  font-size: 12.5px;
  color: var(--fg-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.note-row .row-meta {
  font-size: 11.5px;
  color: var(--fg-faint);
  display: flex;
  justify-content: space-between;
  margin-top: 1px;
}

.sidebar-footer {
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  font-size: 11.5px;
  color: var(--fg-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== Main ===== */

#main {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-width: 0;
  background: var(--bg);
}

#top-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  min-height: 48px;
}
#title-bar {
  flex: 1;
  min-width: 0;
}
#title-display {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.save-status {
  font-size: 12px;
  color: var(--fg-faint);
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg-soft);
  white-space: nowrap;
}
.save-status.saving {
  color: var(--warn);
}
.save-status.saved {
  color: var(--green);
}
.save-status.error {
  color: var(--danger);
}

#btn-pin.pinned {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

#editor-wrap {
  min-height: 0;
  min-width: 0; /* let descendants wrap rather than push grid track wider */
  height: 100%;
  overflow-y: auto; /* scrollbar appears only when content overflows */
  overflow-x: hidden;
  background: var(--bg);
}
#editor {
  /* Use full width of the main area on wide screens; mobile gets less padding. */
  width: 100%;
  min-width: 0;
  padding: 14px 32px 32px;
}

/* ===== Milkdown / ProseMirror tweaks ===== */
.milkdown {
  background: transparent !important;
}
.milkdown {
  min-width: 0;
  max-width: 100%;
}
.milkdown .ProseMirror {
  outline: none;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg);
  caret-color: var(--accent);
  padding: 0 !important;
  min-height: 40vh; /* enough room to click and start typing on a fresh note */
  min-width: 0;
  max-width: 100%;
  word-break: break-word;
  overflow-wrap: anywhere;
}
/* Inherit-friendly: also force wrap on text containers in case any Crepe
   default resets one of these properties on a child. */
.milkdown .ProseMirror p,
.milkdown .ProseMirror li,
.milkdown .ProseMirror blockquote,
.milkdown .ProseMirror h1,
.milkdown .ProseMirror h2,
.milkdown .ProseMirror h3,
.milkdown .ProseMirror h4,
.milkdown .ProseMirror h5,
.milkdown .ProseMirror h6,
.milkdown .ProseMirror a {
  word-break: break-word;
  overflow-wrap: anywhere;
  max-width: 100%;
}
.milkdown .ProseMirror h1,
.milkdown .ProseMirror h2,
.milkdown .ProseMirror h3,
.milkdown .ProseMirror h4 {
  font-weight: 700;
  line-height: 1.3;
  margin: 1.2em 0 0.5em;
}
.milkdown .ProseMirror h1 { font-size: 1.7em; }
.milkdown .ProseMirror h2 { font-size: 1.4em; }
.milkdown .ProseMirror h3 { font-size: 1.2em; }
.milkdown .ProseMirror p { margin: 0.5em 0; }
.milkdown .ProseMirror code,
.milkdown .ProseMirror pre {
  font-family: var(--mono);
  font-size: 0.92em;
}
.milkdown .ProseMirror code {
  background: var(--bg-soft);
  padding: 1px 5px;
  border-radius: 4px;
}
.milkdown .ProseMirror pre {
  background: var(--bg-soft);
  padding: 12px 14px;
  border-radius: 8px;
  overflow-x: auto;
}
.milkdown .ProseMirror blockquote {
  border-left: 3px solid var(--border-strong);
  padding-left: 12px;
  margin: 0.6em 0;
  color: var(--fg-muted);
}
.milkdown .ProseMirror a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.milkdown .ProseMirror hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.4em 0;
}
.milkdown .ProseMirror ul,
.milkdown .ProseMirror ol {
  padding-left: 1.6em;
}
.milkdown .ProseMirror table {
  border-collapse: collapse;
  margin: 0.8em 0;
  display: block;
  max-width: 100%;
  overflow-x: auto; /* tables stay confined; scroll horizontally inside themselves */
}
.milkdown .ProseMirror th,
.milkdown .ProseMirror td {
  border: 1px solid var(--border);
  padding: 6px 10px;
}
.milkdown .ProseMirror pre,
.milkdown .ProseMirror img,
.milkdown .ProseMirror video {
  max-width: 100%;
}
/* Force soft-wrap on Crepe-managed CodeMirror code blocks so long lines fold
   into the editor width instead of overflowing past the viewport. */
.milkdown-code-block,
.milkdown-code-block .cm-editor,
.milkdown-code-block .cm-scroller {
  max-width: 100% !important;
}
.milkdown-code-block .cm-content,
.milkdown-code-block .cm-line {
  white-space: pre-wrap !important;
  word-break: break-word !important;
  overflow-wrap: anywhere !important;
}
.milkdown-code-block .cm-scroller {
  overflow-x: hidden !important;
}

#status-bar {
  display: flex;
  justify-content: space-between;
  padding: 6px 12px;
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
  font-size: 11.5px;
  color: var(--fg-faint);
  white-space: nowrap;
  overflow: hidden;
}
#meta-times {
  text-overflow: ellipsis;
  overflow: hidden;
}

/* ===== History panel ===== */
.panel {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: stretch;
  justify-content: center;
  z-index: 50;
  animation: fade 0.15s ease;
}
.panel.hidden {
  display: none;
}
@keyframes fade {
  from { opacity: 0; } to { opacity: 1; }
}
.panel-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}
.panel-body {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 0;
  overflow: hidden;
}
#history-panel > div.panel-inner,
.panel > .panel-inner {
  /* fallback if inner used */
}
.panel {
  align-items: center;
}
.panel > * {
  background: var(--bg-elev);
}
.panel-inner {
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--bg-elev);
  border-radius: 12px;
  width: min(960px, 92vw);
  height: min(680px, 86vh);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.rev-list {
  border-right: 1px solid var(--border);
  overflow-y: auto;
}
.rev-row {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.rev-row:hover {
  background: var(--bg-soft);
}
.rev-row.active {
  background: var(--accent-soft);
}
.rev-row .rev-time {
  font-weight: 600;
}
.rev-row .rev-meta {
  font-size: 11px;
  color: var(--fg-muted);
}
.rev-row.current .rev-time {
  color: var(--green);
}

.rev-diff {
  overflow: auto;
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.5;
}
.rev-diff-empty {
  color: var(--fg-faint);
  padding: 24px;
  text-align: center;
}
.rev-diff .diff-actions {
  display: flex;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
  position: sticky;
  top: 0;
  background: var(--bg-elev);
}
.rev-diff pre.diff {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}
.diff .add {
  background: var(--add-bg);
  color: inherit;
}
.diff .del {
  background: var(--del-bg);
  color: var(--fg-muted);
  text-decoration: line-through;
  text-decoration-color: var(--danger);
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--fg);
  color: var(--bg);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 100;
  box-shadow: var(--shadow);
}
.toast.show {
  opacity: 0.95;
  transform: translateX(-50%) translateY(-2px);
}

/* ===== Mobile ===== */
.mobile-only {
  display: none;
}

@media (max-width: 720px) {
  #app {
    grid-template-columns: minmax(0, 1fr);
  }
  #editor {
    padding: 12px 14px 32px;
  }
  .milkdown .ProseMirror {
    font-size: 15.5px;
  }
  #sidebar {
    position: fixed;
    inset: 0 30% 0 0;
    z-index: 30;
    transform: translateX(-105%);
    transition: transform 0.22s ease;
    box-shadow: var(--shadow);
  }
  #app.drawer-open #sidebar {
    transform: translateX(0);
  }
  #app.drawer-open::after {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 20;
  }
  .mobile-only {
    display: inline-flex;
  }
  #status-bar {
    flex-direction: column;
    gap: 2px;
    align-items: flex-start;
  }
  .panel-inner {
    width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
  }
  .panel-body {
    grid-template-columns: 1fr;
    grid-template-rows: 40% 60%;
  }
  .rev-list {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}