@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f4f0;
  --bg2: #eeede8;
  --bg3: #e6e5df;
  --border: #d8d6ce;
  --border2: #c8c6bc;
  --text: #1a1916;
  --text2: #6b6960;
  --text3: #9b9a94;
  --red: #8b0000;
  --blue: #00008b;
  --accent: #2d4a8a;
  --accent-hover: #1e3570;
  --danger: #c00;
  --radius: 6px;
  --font: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --mono: 'MS Gothic', 'Meiryo', 'Hiragino Kaku Gothic Pro', monospace;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 0;
}

/* ── Header ── */
.site-header {
  background: var(--text);
  color: #fff;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid var(--red);
}
.site-header h1 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex: 1;
}
.site-header .header-btns { display: flex; gap: 6px; }

/* ── Main ── */
.main { max-width: 820px; margin: 0 auto; padding: 16px; }

/* ── Buttons ── */
button {
  font-family: var(--font);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
  white-space: nowrap;
}
button:hover { background: var(--bg3); border-color: var(--text3); }
button.primary { background: var(--text); color: #fff; border-color: var(--text); }
button.primary:hover { background: #333; }
button.accent { background: var(--accent); color: #fff; border-color: var(--accent); }
button.accent:hover { background: var(--accent-hover); }
button.danger { border-color: var(--danger); color: var(--danger); }
button.danger:hover { background: #fff0f0; }
button.header-btn {
  background: rgba(255,255,255,0.1); color: #fff;
  border-color: rgba(255,255,255,0.25); font-size: 12px;
}
button.header-btn:hover { background: rgba(255,255,255,0.2); }
button.header-btn.danger-h { border-color: #f88; color: #faa; }
button.header-btn.danger-h:hover { background: rgba(200,0,0,0.2); }

/* ── Settings bar ── */
.settings-bar {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  padding: 12px; background: var(--bg2);
  border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 14px;
}
.settings-bar label { font-size: 11px; color: var(--text2); display: block; margin-bottom: 4px; font-weight: 500; }
.settings-bar input {
  width: 100%; font-size: 13px; padding: 5px 8px;
  border-radius: 4px; border: 1px solid var(--border);
  background: #fff; color: var(--text); font-family: var(--font);
}
.settings-bar input:focus { outline: none; border-color: var(--accent); }

#dateModeRow { flex-wrap: nowrap; align-items: center; overflow-x: auto; }
#dateModeRow label { white-space: nowrap; flex-shrink: 0; }
#dateFormatWrap { flex-shrink: 0; }
#dateFixedWrap { flex-shrink: 0; min-width: 0; }
#dateFixed { min-width: 180px; }

/* ── Nick panel ── */
.nick-panel {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px; margin-bottom: 14px;
}
.nick-panel-header { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.nick-panel-header h2 { font-size: 13px; font-weight: 700; flex: 1; }
.nick-panel-header span { font-size: 11px; color: var(--text3); }

.nick-add-row { display: flex; gap: 6px; margin-bottom: 8px; }
.nick-add-row input {
  flex: 1; font-size: 12px; padding: 5px 8px;
  border-radius: 4px; border: 1px solid var(--border);
  background: #fff; color: var(--text); font-family: var(--font);
}
.nick-add-row input:focus { outline: none; border-color: var(--accent); }
.nick-add-row input.memo { flex: 2; }

.nick-list { display: flex; flex-direction: column; gap: 3px; }
.nick-empty { font-size: 12px; color: var(--text3); text-align: center; padding: 12px 0; }

.nick-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; background: #fff;
  border: 1px solid var(--border); border-radius: 5px;
  cursor: pointer; transition: background 0.1s, border-color 0.1s;
}
.nick-item:hover { background: var(--bg3); border-color: var(--accent); }
.nick-item.editing { cursor: default; background: var(--bg3); }
.nick-name { font-size: 13px; font-weight: 700; color: var(--blue); min-width: 90px; flex-shrink: 0; }
.nick-memo { font-size: 11px; color: var(--text2); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nick-actions { display: flex; gap: 3px; margin-left: auto; flex-shrink: 0; }
.nick-actions button { font-size: 10px; padding: 2px 7px; border-radius: 3px; }

.nick-edit-row { display: flex; gap: 5px; width: 100%; align-items: center; }
.nick-edit-row input {
  font-size: 12px; padding: 3px 6px; border-radius: 4px;
  border: 1px solid var(--border); background: #fff; color: var(--text);
}
.nick-edit-row input:first-of-type { width: 110px; flex-shrink: 0; }
.nick-edit-row input:last-of-type { flex: 1; }

/* ── Tabs ── */
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 14px; }
.tab {
  font-size: 13px; padding: 7px 18px; border: none;
  border-bottom: 3px solid transparent; background: none;
  color: var(--text2); cursor: pointer; border-radius: 0;
  font-weight: 500; margin-bottom: -2px;
  transition: color 0.12s;
}
.tab:hover { color: var(--text); background: none; border-color: transparent; }
.tab.active { color: var(--text); border-bottom: 3px solid var(--red); }

.panel { display: none; }
.panel.active { display: block; }

/* ── Post form ── */
.post-form {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px; margin-bottom: 10px;
}
.nick-hint {
  display: none; align-items: center; gap: 5px;
  flex-wrap: wrap; margin-bottom: 8px; font-size: 11px; color: var(--text3);
}
.nick-chip {
  display: inline-block; font-size: 11px; padding: 2px 9px;
  background: #fff; border: 1px solid var(--border);
  border-radius: 12px; cursor: pointer; color: var(--blue); font-weight: 700;
  transition: border-color 0.1s, background 0.1s;
}
.nick-chip:hover { border-color: var(--accent); background: var(--bg3); }

.post-form-row { display: flex; gap: 6px; margin-bottom: 8px; align-items: center; }
.post-form-row label { font-size: 11px; color: var(--text2); min-width: 36px; font-weight: 500; }
.post-form-row input {
  flex: 1; font-size: 12px; padding: 5px 8px;
  border-radius: 4px; border: 1px solid var(--border);
  background: #fff; color: var(--text); font-family: var(--font);
}
.post-form-row input:focus { outline: none; border-color: var(--accent); }

.post-form textarea {
  width: 100%; font-size: 13px; padding: 8px 10px;
  border-radius: 4px; border: 1px solid var(--border);
  background: #fff; color: var(--text);
  min-height: 90px; resize: vertical;
  font-family: var(--mono); line-height: 1.7;
}
.post-form textarea:focus { outline: none; border-color: var(--accent); }
.post-form-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; }
.char-count { font-size: 11px; color: var(--text3); }

/* ── Post list ── */
.post-item {
  border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 5px; background: #fff; overflow: hidden;
}
.post-header {
  display: flex; align-items: center; gap: 8px; padding: 5px 10px;
  background: var(--bg2); border-bottom: 1px solid var(--border);
  font-size: 11px; color: var(--text2); flex-wrap: wrap;
}
.post-num { color: var(--red); font-weight: 700; }
.post-name { color: var(--blue); font-weight: 700; }
.post-header-actions { margin-left: auto; display: flex; gap: 3px; }
.post-header-actions button { font-size: 10px; padding: 2px 7px; border-radius: 3px; }
.post-body {
  padding: 10px 12px; font-size: 13px; line-height: 1.8;
  white-space: pre-wrap; word-break: break-all;
  font-family: var(--mono); color: var(--text);
}
.post-body-edit { padding: 6px; }
.post-body-edit textarea {
  width: 100%; font-size: 13px; padding: 7px 10px;
  border-radius: 4px; border: 1px solid var(--border);
  background: #fff; color: var(--text);
  min-height: 80px; resize: vertical;
  font-family: var(--mono); line-height: 1.7;
}
.post-body-edit textarea:focus { outline: none; border-color: var(--accent); }
.post-body-edit-actions { display: flex; gap: 5px; justify-content: flex-end; margin-top: 5px; }

/* ── Preview ── */
.preview-board { background: #e8e8df; border: 1px solid #999; border-radius: 4px; padding: 8px; }
.preview-title {
  background: var(--red); color: #fff; padding: 5px 10px;
  font-size: 14px; font-weight: 700; margin-bottom: 8px; font-family: var(--mono);
}
.preview-post { background: #fff; border: 1px solid #ccc; margin-bottom: 4px; }
.preview-post-header { background: #e8e0d0; padding: 3px 8px; color: #666; font-size: 11px; font-family: var(--mono); }
.preview-post-header .pnum { color: var(--red); font-weight: bold; }
.preview-post-header .pname { color: var(--blue); }
.preview-post-body { padding: 7px 10px; font-size: 12px; line-height: 1.8; white-space: pre-wrap; word-break: break-all; color: #222; font-family: var(--mono); }

/* ── Export ── */
.export-options { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; align-items: center; }
.export-options label { font-size: 12px; color: var(--text2); display: flex; align-items: center; gap: 4px; cursor: pointer; }
.export-output {
  width: 100%; min-height: 320px; font-size: 12px; padding: 12px;
  border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--bg2); color: var(--text);
  font-family: var(--mono); line-height: 1.8; resize: vertical;
}

/* ── Misc ── */
.empty-state { text-align: center; padding: 40px 20px; color: var(--text3); font-size: 13px; line-height: 2; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: #fff; padding: 8px 22px; border-radius: 20px;
  font-size: 12px; font-family: var(--font); opacity: 0;
  transition: opacity 0.25s; pointer-events: none; z-index: 9999; white-space: nowrap;
}
.toast.show { opacity: 1; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* ── 모바일 반응형 ── */
@media (max-width: 600px) {
  .main { padding: 10px; }
  .site-header { padding: 10px 12px; }
  .site-header h1 { font-size: 13px; }
  .header-btn .btn-label { display: none; }
  .header-btns { gap: 4px; }
  .settings-bar { grid-template-columns: 1fr; }
  #dateModeRow { flex-wrap: wrap !important; overflow-x: unset; }
  #dateFormatWrap, #dateFixedWrap { width: 100%; }
  #dateFixed { width: 100% !important; }
  .nick-add-row { flex-wrap: wrap; }
  .nick-add-row input, .nick-add-row input.memo { width: 100%; flex: unset; }
  .nick-add-row button { width: 100%; padding: 9px; }
  .nick-name { min-width: 60px; }
  .nick-edit-row { flex-wrap: wrap; }
  .nick-edit-row input { width: 100% !important; flex: unset !important; }
  .tab { font-size: 12px; padding: 7px 10px; }
  .post-form { padding: 10px; }
  .post-form-row { flex-wrap: wrap; }
  .post-form-row label { width: auto; min-width: unset; }
  .post-form-row input { width: 100%; flex: unset; }
  .post-form-footer { flex-direction: column; align-items: stretch; gap: 6px; }
  .post-form-footer button { width: 100%; padding: 10px; }
  .post-header-actions { width: 100%; justify-content: flex-end; margin-top: 3px; }
  .post-body-edit-actions { gap: 6px; }
  .post-body-edit-actions button { flex: 1; padding: 7px; }
  .export-output { min-height: 200px; }
  .toast { max-width: 85vw; white-space: normal; text-align: center; bottom: 16px; }
}

/* iOS 입력 줌 방지 */
@media (max-width: 600px) {
  input:not([type=radio]):not([type=checkbox]), select, textarea { font-size: 16px !important; }
}

/* ── 기호 팔레트 ── */
.symbol-palette {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 10px; overflow: hidden;
}
.symbol-palette-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 12px; cursor: pointer; user-select: none;
  font-size: 12px; font-weight: 500; color: var(--text2);
  transition: background 0.1s;
}
.symbol-palette-header:hover { background: var(--bg3); }
.symbol-toggle-icon { font-size: 10px; color: var(--text3); transition: transform 0.2s; }
.symbol-palette.closed .symbol-toggle-icon { transform: rotate(180deg); }
.symbol-palette-body { padding: 8px 10px 10px; border-top: 1px solid var(--border); }
.symbol-palette.closed .symbol-palette-body { display: none; }
 
.symbol-groups { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }
.symbol-group { display: flex; align-items: flex-start; gap: 6px; }
.symbol-group-label {
  font-size: 10px; color: var(--text3); min-width: 44px;
  padding-top: 4px; flex-shrink: 0; font-weight: 500;
}
.symbol-group-btns { display: flex; flex-wrap: wrap; gap: 3px; }
.sym-btn {
  font-size: 13px; padding: 3px 7px; border-radius: 4px;
  border: 1px solid var(--border); background: #fff;
  color: var(--text); cursor: pointer; font-family: var(--mono);
  transition: background 0.1s, border-color 0.1s; line-height: 1.4;
}
.sym-btn:hover { background: var(--bg3); border-color: var(--accent); }
.sym-btn.custom { color: var(--accent); border-color: var(--accent); background: #f0f4ff; position: relative; }
.sym-btn.custom .sym-del {
  display: none; position: absolute; top: -5px; right: -5px;
  background: var(--danger); color: #fff; border-radius: 50%;
  width: 14px; height: 14px; font-size: 9px; line-height: 14px;
  text-align: center; cursor: pointer;
}
.sym-btn.custom:hover .sym-del { display: block; }
 
.symbol-custom-row { display: flex; gap: 6px; }
.symbol-custom-row input {
  flex: 1; font-size: 13px; padding: 4px 8px;
  border-radius: 4px; border: 1px solid var(--border);
  background: #fff; color: var(--text); font-family: var(--mono);
}
.symbol-custom-row input:focus { outline: none; border-color: var(--accent); }
.symbol-custom-row button { flex-shrink: 0; }
 
@media (max-width: 600px) {

  .symbol-group { flex-direction: row; align-items: flex-start; gap: 4px; }
  .symbol-group-label { min-width: 36px; font-size: 10px; padding-top: 6px; }
  .symbol-group-btns { flex-wrap: wrap; gap: 3px; }
  .sym-btn { font-size: 14px; padding: 5px 8px; min-width: 36px; text-align: center; }
  .symbol-custom-row input { font-size: 16px !important; }
}