/* ════════════════════════════════════════════════════════════════════════
   KoAus 2.0 — Strict Monochrome Design System
   Font: Urbanist (EN) + Noto Sans KR (KO)
════════════════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── 라이트 모드 (기본) ── */
:root {
  --bg-base:        #ffffff;
  --bg-surface:     #fafafa;
  --bg-card:        #f4f4f4;
  --bg-input:       #f8f8f8;
  --bg-elevated:    #ededed;
  --border:         #e0e0e0;
  --border-subtle:  #ebebeb;
  --border-focus:   #000000;
  --text-primary:   #000000;
  --text-secondary: #333333;
  --text-muted:     #888888;
  --accent:         #000000;
  --accent-hover:   #222222;
  --accent-dim:     rgba(0, 0, 0, 0.06);
  --accent-glow:    rgba(0, 0, 0, 0.10);
  --accent-text:    #ffffff;
  --green:          #16a34a;
  --green-bg:       rgba(22, 163, 74, 0.08);
  --red:            #dc2626;
  --gold:           #d97706;
  --gold-light:     #b45309;
  --gold-bg:        rgba(245, 158, 11, 0.08);
  --gold-border:    rgba(245, 158, 11, 0.22);
  --orange:         #ea580c;
  --r-sm:  4px;
  --r-md:  8px;
  --r-lg:  12px;
  --r-xl:  16px;
  --font: 'Urbanist', 'Noto Sans KR', system-ui, sans-serif;
}

/* ── 다크 모드 ── */
:root[data-theme="dark"] {
  --bg-base:        #000000;
  --bg-surface:     #0a0a0a;
  --bg-card:        #111111;
  --bg-input:       #141414;
  --bg-elevated:    #1a1a1a;
  --border:         #282828;
  --border-subtle:  #1e1e1e;
  --border-focus:   #ffffff;
  --text-primary:   #ffffff;
  --text-secondary: #cccccc;
  --text-muted:     #666666;
  --accent:         #ffffff;
  --accent-hover:   #dddddd;
  --accent-dim:     rgba(255, 255, 255, 0.08);
  --accent-glow:    rgba(255, 255, 255, 0.10);
  --accent-text:    #000000;
  --green:          #4ade80;
  --green-bg:       rgba(74, 222, 128, 0.08);
  --red:            #f87171;
  --gold:           #f59e0b;
  --gold-light:     #fbbf24;
  --gold-bg:        rgba(245, 158, 11, 0.10);
  --gold-border:    rgba(245, 158, 11, 0.25);
  --orange:         #fb923c;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  padding-top: 56px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* ════════════════════════════════════════════════════════════════════════
   Topbar
════════════════════════════════════════════════════════════════════════ */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: 56px;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.topbar-brand {
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none;
}
.topbar-logo-icon {
  font-size: 20px; color: var(--text-primary); font-weight: 900;
}
.topbar-logo-text {
  font-size: 18px; font-weight: 900; letter-spacing: -0.5px;
  color: var(--text-primary);
}
.topbar-actions {
  display: flex; align-items: center; gap: 8px;
}
.topbar-login-btn {
  padding: 7px 16px;
  background: var(--accent); color: var(--accent-text);
  border: none; border-radius: var(--r-sm);
  font-family: var(--font); font-size: 13px; font-weight: 700;
  cursor: pointer; letter-spacing: 0.02em;
  transition: background 0.15s, opacity 0.15s;
  text-decoration: none; display: inline-flex; align-items: center;
}
.topbar-login-btn:hover { opacity: 0.8; }
.topbar-menu-btn {
  width: 38px; height: 38px;
  background: none; border: 1px solid var(--border);
  border-radius: var(--r-sm); color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.topbar-menu-btn:hover { background: var(--bg-card); border-color: var(--accent); color: var(--accent); }

/* ════════════════════════════════════════════════════════════════════════
   Sidebar Overlay
════════════════════════════════════════════════════════════════════════ */
.sidebar-overlay {
  position: fixed; inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.sidebar-overlay.open { opacity: 1; pointer-events: auto; }

/* ════════════════════════════════════════════════════════════════════════
   Sidebar — 항상 다크
════════════════════════════════════════════════════════════════════════ */
.sidebar {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 300px;
  z-index: 1100;
  background: #000000;
  border-left: 1px solid #1e1e1e;
  transform: translateX(100%);
  transition: transform 0.30s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  display: flex; flex-direction: column;
}
.sidebar.open { transform: translateX(0); }

.sidebar-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #1a1a1a;
  flex-shrink: 0;
}
.sidebar-brand {
  font-size: 18px; font-weight: 900; letter-spacing: -0.5px;
  color: #ffffff;
}
.sidebar-close-btn {
  width: 34px; height: 34px;
  background: #111; border: 1px solid #222;
  border-radius: var(--r-sm); color: #888;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 18px;
  transition: background 0.15s, color 0.15s;
}
.sidebar-close-btn:hover { background: #1a1a1a; color: #fff; }

/* 사이드바 설정 (테마) */
.sidebar-settings {
  padding: 14px 20px;
  border-bottom: 1px solid #1a1a1a;
  display: flex; flex-direction: column; gap: 10px;
  flex-shrink: 0;
}
.sidebar-setting-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.sidebar-setting-label {
  font-size: 11px; font-weight: 700;
  color: #444; letter-spacing: 0.08em; text-transform: uppercase;
}
.sidebar-setting-btns { display: flex; gap: 4px; }
.setting-btn {
  padding: 5px 12px;
  background: none; border: 1px solid #222;
  border-radius: var(--r-sm); color: #555;
  font-family: var(--font); font-size: 12px; font-weight: 700;
  cursor: pointer; transition: all 0.15s;
}
.setting-btn:hover { background: #111; color: #aaa; border-color: #333; }
.setting-btn.active { background: #ffffff; color: #000000; border-color: #ffffff; }

/* ── 아코디언 내비 ── */
.sidebar-nav { flex: 1; overflow-y: auto; padding-bottom: 40px; }

.accord-item { border-bottom: 1px solid #111; }

.accord-header {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px;
  background: none; border: none;
  color: #aaaaaa;
  font-family: var(--font); font-size: 14px; font-weight: 700;
  cursor: pointer; text-align: left;
  transition: background 0.12s, color 0.12s;
}
.accord-header:hover { background: #0a0a0a; color: #ffffff; }
.accord-header em {
  font-style: normal; font-size: 10px; font-weight: 400;
  color: #3a3a3a; margin-left: 6px; letter-spacing: 0.04em;
}
.accord-arrow {
  flex-shrink: 0; color: #333;
  transition: transform 0.25s ease, color 0.15s;
}
.accord-item.open .accord-arrow { transform: rotate(180deg); color: #888; }

.accord-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.28s ease;
  background: #050505;
}
.accord-item.open .accord-body { max-height: 400px; }

.accord-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 20px 10px 28px;
  color: #666; text-decoration: none;
  font-size: 13px; font-weight: 500;
  transition: background 0.12s, color 0.12s;
}
.accord-link:hover { background: #0a0a0a; color: #cccccc; }
.accord-link--active { color: #ffffff; font-weight: 700; }
.accord-link--soon { opacity: 0.35; pointer-events: none; }
.soon-tag {
  font-size: 9px; font-weight: 700;
  padding: 2px 6px; border-radius: 3px;
  background: #111; color: #444;
  border: 1px solid #1e1e1e;
}

.sidebar-footer-nav {
  padding: 16px 20px;
  border-top: 1px solid #111;
  flex-shrink: 0;
}
.sidebar-exchange-link {
  display: block; font-size: 12px; font-weight: 600;
  color: #555; text-decoration: none;
  transition: color 0.15s;
}
.sidebar-exchange-link:hover { color: #aaaaaa; }

@media (max-width: 480px) { .sidebar { width: 100%; } }

/* ════════════════════════════════════════════════════════════════════════
   Sub-page Layout
════════════════════════════════════════════════════════════════════════ */
.page-container {
  width: 100%; max-width: 900px;
  margin: 0 auto; padding: 32px 24px 64px;
  display: flex; flex-direction: column; gap: 22px;
}
.page-header {
  display: flex; align-items: flex-start;
  justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding-bottom: 16px; border-bottom: 1px solid var(--border);
}
.page-title { font-size: 26px; font-weight: 900; color: var(--text-primary); letter-spacing: -0.5px; }
.page-subtitle { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }
.page-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  text-decoration: none; padding: 7px 14px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  transition: color 0.15s, border-color 0.15s;
}
.page-back:hover { color: var(--accent); border-color: var(--accent); }

/* ════════════════════════════════════════════════════════════════════════
   AdSense Wrap
════════════════════════════════════════════════════════════════════════ */
.adsense-wrap {
  min-height: 90px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden; text-align: center;
}

/* ════════════════════════════════════════════════════════════════════════
   Home Layout — 3 Components
════════════════════════════════════════════════════════════════════════ */
.home-main {
  width: 100%; max-width: 760px;
  margin: 0 auto; padding: 36px 24px 80px;
  display: flex; flex-direction: column; gap: 20px;
  flex: 1;
}

/* Notice Board */
.notice-section {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.notice-row {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 20px; flex-wrap: wrap;
}
.notice-badge {
  font-size: 10px; font-weight: 800; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 3px 8px;
  background: var(--accent); color: var(--accent-text);
  border-radius: 3px; flex-shrink: 0;
}
.notice-text {
  flex: 1; font-size: 14px; color: var(--text-secondary); line-height: 1.5;
  min-width: 160px;
}
.notice-date { font-size: 12px; color: var(--text-muted); flex-shrink: 0; }

/* Exchange Rate Calculator */
.calc-section {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 28px;
  display: flex; flex-direction: column; gap: 20px;
}
.calc-header {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}
.calc-title { font-size: 20px; font-weight: 900; color: var(--text-primary); letter-spacing: -0.4px; }
.calc-updated { font-size: 11px; color: var(--text-muted); }

.calc-input-row {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.calc-amount-wrap {
  flex: 1; min-width: 120px;
  display: flex; align-items: center;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--r-md); overflow: hidden;
  transition: border-color 0.2s;
}
.calc-amount-wrap:focus-within { border-color: var(--border-focus); }
.calc-input {
  flex: 1; padding: 14px 12px;
  background: transparent; border: none; outline: none;
  color: var(--text-primary); font-family: var(--font);
  font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums;
  min-width: 0;
}
.calc-input::-webkit-outer-spin-button,
.calc-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.calc-select {
  padding: 10px 32px 10px 12px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-md); color: var(--text-primary);
  font-family: var(--font); font-size: 15px; font-weight: 700;
  cursor: pointer; outline: none; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
  transition: border-color 0.2s;
}
:root[data-theme="dark"] .calc-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
}
.calc-select:focus { border-color: var(--border-focus); }
.calc-arrow { font-size: 20px; color: var(--text-muted); flex-shrink: 0; font-weight: 300; }
.calc-swap-btn {
  width: 36px; height: 36px; flex-shrink: 0;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-sm); color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background 0.15s, border-color 0.15s, transform 0.2s;
}
.calc-swap-btn:hover { background: var(--bg-elevated); border-color: var(--accent); color: var(--accent); transform: rotate(180deg); }

.calc-result-row {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
}
.calc-result {
  font-size: 48px; font-weight: 900;
  color: var(--text-primary); letter-spacing: -1.5px;
  font-variant-numeric: tabular-nums; line-height: 1;
}
.calc-result-currency {
  font-size: 20px; font-weight: 700; color: var(--text-muted);
}
.calc-rate-info { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* ════════════════════════════════════════════════════════════════════════
   Exchange Sub-page Cards
════════════════════════════════════════════════════════════════════════ */
.exchange-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.exchange-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 22px 20px;
  display: flex; flex-direction: column; gap: 10px;
  transition: transform 0.15s;
}
.exchange-card:hover { transform: translateY(-2px); }
.exchange-card--best { border-color: var(--accent); }
.exchange-app-name { font-size: 16px; font-weight: 800; color: var(--text-primary); }
.exchange-app-sub  { font-size: 12px; color: var(--text-muted); }
.exchange-rate-row { display: flex; align-items: baseline; gap: 6px; }
.exchange-rate     { font-size: 28px; font-weight: 900; font-variant-numeric: tabular-nums; }
.exchange-unit     { font-size: 13px; color: var(--text-muted); }
.exchange-fee-row  { font-size: 12px; color: var(--text-muted); display: flex; gap: 8px; flex-wrap: wrap; }
.exchange-best-badge {
  display: inline-block; font-size: 9px; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 999px;
  background: var(--accent); color: var(--accent-text);
}
.exchange-updated { font-size: 11px; color: var(--text-muted); text-align: center; }

/* ════════════════════════════════════════════════════════════════════════
   Points Calculator
════════════════════════════════════════════════════════════════════════ */
.points-form { display: flex; flex-direction: column; gap: 20px; }
.points-group {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-md); overflow: hidden;
}
.points-group-title {
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 12px 18px; border-bottom: 1px solid var(--border);
  color: var(--text-secondary); background: var(--bg-surface);
}
.points-options { padding: 14px 18px; display: flex; flex-direction: column; gap: 8px; }
.points-option {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: var(--r-sm); cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.12s;
}
.points-option:hover { background: var(--bg-elevated); }
.points-option input[type="radio"],
.points-option input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; cursor: pointer; flex-shrink: 0; }
.points-option-label { flex: 1; font-size: 14px; color: var(--text-primary); }
.points-option-pts { font-size: 13px; font-weight: 700; color: var(--accent); min-width: 50px; text-align: right; }
.points-total-bar {
  position: sticky; bottom: 0;
  background: var(--bg-surface); border-top: 2px solid var(--accent);
  padding: 18px 24px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
}
.points-total-label { font-size: 14px; color: var(--text-secondary); font-weight: 600; }
.points-total-score { font-size: 36px; font-weight: 900; color: var(--accent); font-variant-numeric: tabular-nums; }
.points-total-status { font-size: 13px; font-weight: 600; padding: 4px 12px; border-radius: 999px; }
.points-total-status--pass { background: var(--green-bg); color: var(--green); border: 1px solid rgba(22,163,74,.3); }
.points-total-status--fail { background: rgba(220,38,38,.08); color: var(--red); border: 1px solid rgba(220,38,38,.2); }

/* ════════════════════════════════════════════════════════════════════════
   Community Board
════════════════════════════════════════════════════════════════════════ */
.board-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.board-count { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.board-write-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; background: var(--accent); color: var(--accent-text);
  border: none; border-radius: var(--r-md);
  font-family: var(--font); font-size: 14px; font-weight: 700;
  cursor: pointer; transition: opacity 0.15s, transform 0.1s;
}
.board-write-btn:hover { opacity: 0.85; transform: translateY(-1px); }

.post-list-table {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
}
.post-list-head {
  display: grid; grid-template-columns: 50px 1fr 100px 90px;
  padding: 10px 20px;
  background: var(--bg-card); border-bottom: 1px solid var(--border);
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-muted);
}
.post-row {
  display: grid; grid-template-columns: 50px 1fr 100px 90px;
  padding: 14px 20px; border-bottom: 1px solid var(--border-subtle);
  align-items: center; transition: background 0.12s; cursor: pointer;
}
.post-row:last-child { border-bottom: none; }
.post-row:hover { background: var(--bg-card); }
.post-num    { font-size: 12px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.post-title  { font-size: 14px; font-weight: 600; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.post-author { font-size: 12px; color: var(--text-secondary); }
.post-date   { font-size: 11px; color: var(--text-muted); }
.post-empty  { padding: 48px 20px; text-align: center; color: var(--text-muted); font-size: 14px; }

/* ── Write Modal ── */
.write-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,.55);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.write-overlay.open { opacity: 1; pointer-events: auto; }
.write-modal {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 28px;
  width: 100%; max-width: 560px;
  display: flex; flex-direction: column; gap: 16px;
  transform: translateY(16px); transition: transform 0.2s;
}
.write-overlay.open .write-modal { transform: translateY(0); }
.write-modal-title {
  font-size: 18px; font-weight: 800; color: var(--text-primary);
  padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.write-field { display: flex; flex-direction: column; gap: 6px; }
.write-label { font-size: 11px; font-weight: 700; color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase; }
.write-input, .write-textarea {
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--r-md); color: var(--text-primary);
  font-family: var(--font); font-size: 14px; padding: 11px 14px; outline: none;
  transition: border-color 0.2s;
}
.write-input::placeholder, .write-textarea::placeholder { color: var(--text-muted); }
.write-input:focus, .write-textarea:focus { border-color: var(--border-focus); }
.write-textarea { resize: vertical; min-height: 120px; line-height: 1.65; }
.write-modal-actions { display: flex; gap: 10px; justify-content: flex-end; }
.write-cancel-btn {
  padding: 10px 20px; background: transparent; border: 1px solid var(--border);
  border-radius: var(--r-md); color: var(--text-secondary);
  font-family: var(--font); font-size: 14px; font-weight: 600; cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.write-cancel-btn:hover { border-color: var(--red); color: var(--red); }
.write-submit-btn {
  padding: 10px 24px; background: var(--accent); color: var(--accent-text);
  border: none; border-radius: var(--r-md);
  font-family: var(--font); font-size: 14px; font-weight: 700; cursor: pointer;
  transition: opacity 0.15s;
}
.write-submit-btn:hover { opacity: 0.85; }

/* ── Post Detail ── */
.post-detail-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,.55);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 60px 20px 20px;
  opacity: 0; pointer-events: none; transition: opacity 0.2s;
  overflow-y: auto;
}
.post-detail-overlay.open { opacity: 1; pointer-events: auto; }
.post-detail-card {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 28px;
  width: 100%; max-width: 640px;
  display: flex; flex-direction: column; gap: 16px;
  transform: translateY(16px); transition: transform 0.2s;
}
.post-detail-overlay.open .post-detail-card { transform: translateY(0); }
.post-detail-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.post-detail-title { font-size: 20px; font-weight: 800; color: var(--text-primary); line-height: 1.3; }
.post-detail-close {
  width: 32px; height: 32px; flex-shrink: 0;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-sm); color: var(--text-muted); font-size: 18px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: color 0.15s;
}
.post-detail-close:hover { color: var(--red); }
.post-detail-meta { font-size: 12px; color: var(--text-muted); display: flex; gap: 14px; }
.post-detail-body { font-size: 15px; color: var(--text-secondary); line-height: 1.8; white-space: pre-wrap; word-break: break-word; }
.post-detail-contact {
  padding: 12px 16px; background: var(--bg-card);
  border-radius: var(--r-md); border: 1px solid var(--border);
  font-size: 13px; color: var(--text-secondary); font-weight: 600;
}

/* ════════════════════════════════════════════════════════════════════════
   Footer v2
════════════════════════════════════════════════════════════════════════ */
.site-footer {
  text-align: center; padding: 20px 24px 32px;
  font-size: 12px; color: var(--text-muted);
}
.site-footer-v2 {
  border-top: 1px solid var(--border);
  padding: 32px 24px 40px;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  text-align: center;
  margin-top: auto;
}
.footer-links {
  display: flex; flex-wrap: wrap; gap: 20px; justify-content: center;
}
.footer-links a {
  font-size: 13px; color: var(--text-muted); text-decoration: none;
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--text-primary); text-decoration: underline; }
.footer-stats {
  font-size: 12px; color: var(--text-muted);
  display: flex; gap: 20px; flex-wrap: wrap; justify-content: center;
}
.footer-stat-item { display: flex; align-items: center; gap: 5px; }
.footer-stat-num { font-weight: 700; color: var(--text-secondary); }
.footer-copy { font-size: 12px; color: var(--text-muted); }

/* ════════════════════════════════════════════════════════════════════════
   Responsive
════════════════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .page-container { padding: 22px 16px 48px; gap: 16px; }
  .page-title { font-size: 22px; }
  .home-main { padding: 24px 16px 60px; }
  .calc-section { padding: 20px; }
  .calc-input { font-size: 22px; }
  .calc-result { font-size: 36px; }
  .post-list-head, .post-row { grid-template-columns: 40px 1fr 80px; }
  .post-list-head > *:last-child, .post-row > *:last-child { display: none; }
  .exchange-grid { grid-template-columns: 1fr; }
  .calc-input-row { gap: 8px; }
  .notice-date { display: none; }
}

/* ── 테마 전환 애니메이션 ── */
.topbar, .sidebar, .home-main, .calc-section,
.notice-section, .post-list-table, .write-modal, .post-detail-card,
.exchange-card, .points-group, .page-container,
.site-footer-v2 {
  transition:
    background-color 0.2s ease,
    border-color     0.2s ease,
    color            0.2s ease;
}