@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-1Thin.woff2') format('woff2');
    font-weight: 100;
    font-display: swap;
}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-2ExtraLight.woff2') format('woff2');
    font-weight: 200;
    font-display: swap;
}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-3Light.woff2') format('woff2');
    font-weight: 300;
    font-display: swap;
}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-4Regular.woff2') format('woff2');
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-5Medium.woff2') format('woff2');
    font-weight: 500;
    font-display: swap;
}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-6SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-display: swap;
}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-7Bold.woff2') format('woff2');
    font-weight: 700;
    font-display: swap;
}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-8ExtraBold.woff2') format('woff2');
    font-weight: 800;
    font-display: swap;
}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-9Black.woff2') format('woff2');
    font-weight: 900;
    font-display: swap;
}

:root { 
    /* VS Code Dark Theme Colors */
    --bg: #1e1e1e;
    --card: #252526;
    --text: #d4d4d4;
    --muted: #858585;
    --line: #3e3e42;
    --accent: #007acc;
    --ok: #4ec9b0;
    --warn: #dcdcaa;
    --bg-tertiary: #2d2d30;
    --accent-hover: #005a9e;
    --error: #f48771;
}

@keyframes gradient-shift {
  0% { 
    background-position: 0% 0%;
  }
  50% { 
    background-position: 100% 100%;
  }
  100% { 
    background-position: 0% 0%;
  }
}
*{box-sizing:border-box}
html { height: 100%; }
body{
  margin:0;
  font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color:var(--text);
  position:relative;
  overflow-x:hidden;
  min-height:100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  width: 100%;
}
html {
  overflow-x: hidden;
  width: 100%;
}
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  z-index: 0;
  pointer-events: none;
}

body:not(.ready) {
  opacity: 0;
  transition: opacity 0.3s ease;
}
body.ready {
  opacity: 1;
}
.wrap{max-width:1200px;margin:0 auto;padding:22px 20px;position:relative;z-index:1}

@media(max-width: 768px){
  .wrap{padding:12px 20px}
}
h1{font-size:20px;margin:0 0 8px;font-weight:400}
.sub{color:var(--muted);font-size:13px;margin:0 0 12px;line-height:1.5}
.guide-box{display:flex;gap:12px;align-items:flex-start;background:rgba(0, 122, 204, 0.05);border-left:2px solid var(--accent);border-radius:10px;padding:12px;justify-content:flex-end}
.guide-icon{display:none}
.guide-content{max-width:900px;text-align:right}
.guide-content strong{display:block;color:var(--accent);font-size:12px;font-weight:400;margin-bottom:4px;text-transform:uppercase;letter-spacing:0.5px}
.guide-content p{margin:0;font-size:13px;color:var(--text);line-height:1.5}

/* Feedback modal */
.feedback-rating{display:flex;gap:8px;flex-wrap:wrap}
.feedback-rating button{
  min-height:28px;
  padding:4px 10px;
  border-radius:10px;
}
.feedback-rating button.selected{
  border-color: var(--accent) !important;
  background: rgba(0, 122, 204, 0.1) !important;
  color: var(--text) !important;
}
.feedback-modal textarea{font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;}
.feedback-modal{
  position: relative;
}
.grid{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:769px){
  .grid .card{margin-bottom:0}
}
@media(min-width:1020px){ .grid{grid-template-columns:1fr 1fr} }
.card{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:12px}

/* 교차 디자인: 짝수 스텝은 밝은 배경 */
.page-step[data-step="0"] .card,
.page-step[data-step="1"] .card,
.page-step[data-step="2"] .card,
.page-step[data-step="4"] .card,
.page-step[data-step="6"] .card{background:var(--card)}
.page-step[data-step="0"] .card h2,
.page-step[data-step="1"] .card h2,
.page-step[data-step="2"] .card h2,
.page-step[data-step="4"] .card h2,
.page-step[data-step="6"] .card h2{background:var(--bg)}
.page-step[data-step="0"] .card input,
.page-step[data-step="0"] .card textarea,
.page-step[data-step="0"] .card select,
.page-step[data-step="1"] .card input,
.page-step[data-step="1"] .card textarea,
.page-step[data-step="1"] .card select,
.page-step[data-step="2"] .card input,
.page-step[data-step="2"] .card textarea,
.page-step[data-step="2"] .card select,
.page-step[data-step="4"] .card input,
.page-step[data-step="4"] .card textarea,
.page-step[data-step="4"] .card select,
.page-step[data-step="6"] .card input,
.page-step[data-step="6"] .card textarea,
.page-step[data-step="6"] .card select{background:var(--bg);border-color:var(--line)}

.card-level-1{background:var(--bg)}
.card-level-2{background:var(--bg)}
.card-level-3{background:var(--bg)}
.full-width{grid-column:1/-1}
.card h2{font-size:14px;margin:0 0 12px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg-tertiary);color:var(--text);text-transform:uppercase;letter-spacing:0.5px;font-weight:700}
label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px;font-weight:400}
input, textarea, select{
  width:100%;background:var(--bg-tertiary);color:var(--text);
  border:1px solid var(--line);border-radius:10px;
  padding:6px 8px;font-size:13px;outline:none;
  font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-appearance: none;
  appearance: none;
  touch-action: manipulation;
  transition:border-color 0.15s;
}
input:focus, textarea:focus, select:focus{
  outline:1px solid var(--accent);
  outline-offset:-1px;
  border-color:var(--accent);
}
textarea{min-height:92px;resize:vertical;line-height:1.5}
.row{display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:560px){ .row{grid-template-columns:1fr 1fr} }
.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
button{
  background:var(--accent);color:white;border:0;border-radius:10px;
  padding:6px 14px;font-size:13px;cursor:pointer;
  font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  min-height:32px;
  transition: background-color 0.15s;
  font-weight:400;
}
button:hover{
  background:var(--accent-hover);
}
button.secondary{background:var(--bg-tertiary)}
button.secondary:hover{background:var(--line)}
button.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
button.ghost:hover{background:var(--bg-tertiary)}

/* 특수 버튼 스타일 */
button.success{
  background:#4ec9b0;
}
button.success:hover{
  background:#45b39d;
}
button.info{
  background:#569cd6;
}
button.info:hover{
  background:#4a8bb8;
}
button.warning{
  background:#dcdcaa;
  color:#1e1e1e;
}
button.warning:hover{
  background:#c9c991;
}
button.purple{
  background:#c586c0;
}
button.purple:hover{
  background:#b072ad;
}

/* 프리셋 버튼 스타일 */
button.preset-btn{
  font-size:12px;
  padding:4px 8px;
  min-height:28px;
}

.production{grid-column:1/-1}
.out{grid-column:1/-1}
.pill{display:inline-flex;gap:6px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:4px 8px;color:var(--text);font-size:12px;background:var(--card)}
#feedbackBtn, #feedbackBtn2{
  border: 1px solid var(--accent);
  transition: background-color 0.15s;
}
#feedbackBtn:hover, #feedbackBtn2:hover{
  background: var(--accent-hover);
}
.lang-btn{
  transition: opacity 0.15s;
  opacity: 0.7;
}
.lang-btn.active{
  opacity: 1;
  border-color: var(--accent);
  background: rgba(0, 122, 204, 0.1);
}
.lang-btn:hover{
  opacity: 1;
}
.small{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.5}
.mono{font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;}
.ok{color:var(--ok)}
.warn{color:var(--warn)}
.split{display:flex;justify-content:space-between;gap:10px;align-items:center;flex-wrap:wrap}
.right{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:0;justify-content:flex-end !important}
.switch{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.toggle{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 10px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--text);cursor:pointer;
  user-select:none;font-size:12px;
  transition: background-color 0.15s;
}
.toggle:hover{
  background:var(--bg-tertiary);
}
.toggle input{width:auto}
.toggle input[type="radio"]:checked + strong,
.toggle:has(input[type="radio"]:checked) {
  border-color:var(--accent);
  background:rgba(0, 122, 204, 0.1);
  color:var(--accent);
  font-weight:400;
}
.toggle input[type="radio"]:checked {
  accent-color:var(--accent);
}
.toggle:has(input[type="checkbox"]:checked) {
  border-color:var(--accent);
  background:rgba(0, 122, 204, 0.1);
  color:var(--accent);
  font-weight:400;
}
.toggle input[type="checkbox"]:checked {
  accent-color:var(--accent);
}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chip{
  border:1px solid var(--line);background:var(--card);color:var(--text);
  padding:5px 10px;border-radius:10px;font-size:12px;cursor:pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  min-height:28px;
  display:inline-flex;
  align-items:center;
  transition:background-color 0.15s;
}
.chip:hover{background:var(--bg-tertiary)}

/* Mobile optimizations */
@media(max-width:600px){
  .wrap{padding:12px 20px}
  h1{font-size:22px}
  .sub{font-size:13px}
  .chip{padding:10px 12px;font-size:14px}
  button{padding:12px 14px;font-size:14px;min-height:44px}
  input, textarea, select{font-size:16px;padding:12px;min-height:44px}
  .card{padding:16px}
  .card h2{font-size:15px}
  label{font-size:12px}
  .split{flex-direction:column;align-items:flex-start}
  .right{width:100%;justify-content:flex-start !important}
  .switch{flex-direction:column;align-items:flex-start;width:100%}
  .toggle{width:100%;justify-content:flex-start;padding:10px 12px}
  .pill{font-size:12px;padding:8px 12px}
  .btns{gap:8px}
  .loginTitle{font-size:28px}
  .loginSubtitle{font-size:13px}
  .loginBox{padding:24px 20px}
  .loginBox h2{font-size:16px}
  .loginContainer{padding:16px}
  .loginHint{font-size:12px !important}
  textarea{min-height:80px}
  .row{grid-template-columns:1fr}
}
.kbd{border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:2px 6px;font-size:11px;color:var(--muted)}
.toast{display:none;color:var(--ok);font-size:12px;margin-top:8px}
.noteBox{border-left:2px solid var(--line);padding:10px;margin-top:10px;background:var(--card)}

footer{
  text-align:center;
  padding:30px 20px;
  margin-top:40px;
  color:var(--muted);
  font-size:12px;
  border-top:1px solid var(--line);
}
/* 로그인 페이지 스타일 */
.loginPage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
  position: relative;
  z-index: 1;
}
.loginPage::before {
  display: none;
}

.loginContainer {
  width: 100%;
  max-width: 420px;
  padding: 20px;
  position: relative;
  z-index: 1;
}

.loginForm {
  text-align: center;
}

.loginTitle {
  font-size: 20px;
  font-weight: 400;
  margin: 0 0 8px;
  color: var(--text);
}

.loginSubtitle {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 24px;
}

.loginBox {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 24px;
  margin-bottom: 20px;
  border-radius: 12px;
}

.loginBox h2 {
  font-size: 15px;
  font-weight: 400;
  margin: 0 0 16px;
  color: var(--text);
}

.formGroup {
  margin-bottom: 16px;
  text-align: left;
}

.formInput {
  width: 100%;
  padding: 6px 8px !important;
  font-size: 13px;
  background: var(--bg-tertiary);
  border: 1px solid var(--line) !important;
  border-radius: 10px;
  color: var(--text);
  transition: border-color 0.15s;
}

.formInput:focus {
  outline: 1px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent) !important;
}

.loginButton {
  width: 100%;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 400;
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  margin-top: 8px;
  transition: all 0.3s ease;
}

.loginButton:hover {
  background: var(--accent-hover);
}

.loginButton:active {
  opacity: 0.9;
}

.toggleText {
  font-size: 13px;
  color: var(--muted);
  margin-top: 16px;
}

.toggleText a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 400;
  transition: opacity 0.15s;
}

.toggleText a:hover {
  opacity: 0.8;
}

.loginHint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 16px;
}

.loginFooter {
  text-align: center;
  padding: 16px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 11px;
  border-top: 1px solid var(--line);
}

/* 메인 앱 */
.mainApp {
  position: relative;
  z-index: 1;
}
.userEmail { display: inline-flex !important; align-items: center; gap: 6px; padding: 4px 8px; background: transparent; border: 1px solid var(--line); border-radius: 10px; font-size: 12px; color: var(--text); }
.userEmail::before { content: ''; font-size: 14px; }

.passwordToggle { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; font-size: 16px; padding: 5px; opacity: 0.6; transition: opacity 0.3s; }
.passwordToggle:hover { opacity: 1; }

/* ========================================
   하이브리드 레이아웃: 모바일 스텝형
======================================== */

/* 모바일 전용 요소 */
.mobile-only {
  display: none;
}

@media(max-width: 768px) {
  .mobile-only {
    display: block;
  }
  .desktop-only {
    display: none !important;
  }
}

/* 진행 바 (모바일) */
.step-progress {
  display: none;
}

.progress-bar {
  flex: 1;
  height: 3px;
  background: var(--line);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s ease;
  width: 12.5%; /* 1/8 */
}

.progress-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  min-width: 50px;
  text-align: right;
}

/* 앱 헤더 (모바일) */
.app-header {
  display: none;
}

@media(max-width: 768px) {
  .app-header {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 10px 20px;
    z-index: 99;
  }
  
  .header-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 8px;
  }
  
  .header-row:last-child {
    margin-bottom: 0;
  }
  
  .header-title-row h1 {
    font-size: 18px;
    margin: 0;
    font-weight: 700;
  }
  
  .header-user-row {
    flex-wrap: wrap;
    gap: 6px;
  }
  
  .header-user-row button {
    padding: 5px 10px;
    font-size: 11px;
    min-height: 32px;
  }
  
  .header-user-row .userEmail {
    font-size: 10px;
    padding: 4px 8px;
  }
  
  .lang-select-mini {
    padding: 5px 8px;
    font-size: 14px;
    min-height: 32px;
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 8px;
    cursor: pointer;
    width: auto;
    min-width: 50px;
  }
  
  .header-lang-row {
    justify-content: center;
  }
  
  .lang-select {
    padding: 4px 8px;
    font-size: 12px;
    min-height: 28px;
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 10px;
    cursor: pointer;
    max-width: 200px;
  }
}

/* 페이지 컨테이너 */
.pages-container {
  position: relative;
}

@media(max-width: 768px) {
  .pages-container {
    padding-top: 100px; /* 헤더 높이 (2행) */
    padding-bottom: 20px;
  }
}

/* 페이지 스텝 */
.page-step {
  display: block;
  margin-bottom: 0;
}

.page-content {
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
  box-sizing: border-box;
}

@media(max-width: 768px) {
  .page-content {
    padding: 0;
  }
}

/* 스텝 헤더 */
.step-header {
  margin-bottom: 20px;
  margin-top: 30px;
  text-align: center;
}

@media(min-width: 769px) {
  .step-header {
    display: none;
  }
}

@media(max-width: 768px) {
  .page-step:first-child .step-header {
    margin-top: 10px;
  }
}

.step-title {
  font-size: 18px;
  font-weight: 400;
  margin: 0 0 8px;
  color: var(--text);
}

.step-description {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

/* 모바일 네비게이션 */
.step-navigation {
  display: none;
}

.nav-btn {
  flex: 1;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 400;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background-color 0.15s;
}

.nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* 데스크톱: 기존 그리드 레이아웃 유지 */
@media(min-width: 769px) {
  .grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  
  .page-step {
    display: block !important;
    opacity: 1 !important;
    transform: none !important;
  }
  
  .wrap {
    display: block !important;
  }
  
  .step-navigation {
    display: none;
  }
  
  .step-progress {
    display: none;
  }
  
  .app-header {
    display: none;
  }
}

/* 모바일 최적화 */
@media(max-width: 768px) {
  .wrap {
    padding: 0;
  }
  
  .card {
    border-radius: 12px;
    margin-bottom: 16px;
  }
  
  .card h2 {
    font-size: 15px;
  }
  
  input, textarea, select {
    font-size: 16px; /* iOS 줌 방지 */
  }
  
  .chips {
    gap: 6px;
  }
  
  .chip {
    font-size: 12px;
    padding: 8px 12px;
  }
  
  button {
    min-height: 44px; /* 터치 최적화 */
  }
}

/* 파티클 배경 */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  will-change: transform;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(124, 92, 255, 0.3);
  border-radius: 50%;
  animation: particleFloat linear infinite;
}

@media(max-width: 768px) {
  .particle {
    width: 6px;
    height: 6px;
    background: rgba(124, 92, 255, 0.5);
  }
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.8;
  }
  100% {
    transform: translateY(-100px) translateX(var(--drift));
    opacity: 0;
  }
}

/* Lesson12 플로팅 배너 */
.floating-banner {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  background: linear-gradient(135deg, #1e1e2e 0%, #2a2a3e 100%);
  border: 2px solid var(--accent);
  border-right: none;
  border-radius: 12px 0 0 12px;
  padding: 20px 12px;
  box-shadow: -4px 0 20px rgba(124, 92, 255, 0.3);
  transition: all 0.3s ease;
  text-decoration: none;
  color: var(--text);
  width: 80px;
  cursor: pointer;
}

.floating-banner:hover {
  transform: translateY(-50%) translateX(-5px);
  box-shadow: -8px 0 30px rgba(124, 92, 255, 0.5);
  border-color: #8b7bff;
}

.banner-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.banner-icon {
  width: 70px;
  height: 50px;
  background: linear-gradient(135deg, var(--accent) 0%, #8b7bff 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: white;
  box-shadow: 0 4px 12px rgba(124, 92, 255, 0.4);
  transition: transform 0.3s ease;
  line-height: 1.2;
  text-align: center;
  padding: 4px;
}

.floating-banner:hover .banner-icon {
  transform: scale(1.1) rotate(-5deg);
}

.banner-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: center;
  font-size: 11px;
  line-height: 1.4;
  color: var(--text);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.banner-text span {
  white-space: nowrap;
}

.banner-arrow {
  font-size: 20px;
  color: var(--accent);
  animation: arrowBounce 2s ease-in-out infinite;
  transform: rotate(90deg);
}

@keyframes arrowBounce {
  0%, 100% { transform: rotate(90deg) translateX(0); }
  50% { transform: rotate(90deg) translateX(5px); }
}

/* 모바일에서는 작게 */
@media(max-width:768px){
  .floating-banner {
    width: 60px;
    padding: 15px 8px;
  }
  .banner-icon {
    width: 50px;
    height: 40px;
    font-size: 9px;
  }
  .banner-text {
    font-size: 9px;
  }
  .banner-arrow {
    font-size: 16px;
  }
}

/* 매우 작은 화면에서는 숨김 */
@media(max-width:480px){
  .floating-banner {
    display: none;
  }
}

/* 모바일 모달 최적화 */
@media(max-width:768px){
  #historyModal > div,
  #presetModal > div,
  #feedbackModal > div {
    max-width: calc(100vw - 20px) !important;
    width: calc(100vw - 20px) !important;
    margin: 10px auto !important;
    max-height: calc(100vh - 40px) !important;
  }
  
  #feedbackModal > div {
    margin: 5vh auto !important;
  }
}

/* 스크롤 투 탑 버튼 (모바일 전용) */
.scroll-to-top {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  border: none;
  cursor: pointer;
  z-index: 999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:active {
  transform: scale(0.95);
}

@media(min-width: 769px) {
  .scroll-to-top {
    display: none !important;
  }
}