/* ══════════════════════════════════════════════════════════════════════════
   design-system.css — NeonEditor 디자인 시스템 (모든 페이지에서 재활용)
   색상 토큰, 타이포그래피, 공통 컴포넌트
   ══════════════════════════════════════════════════════════════════════════ */

/* ── 디자인 토큰 ─────────────────────────────────────────────────────────── */
:root {
  /* ── 배경 레이어 (낮을수록 어두움) */
  --bg:            #060e20;   /* 최하단 배경 */
  --bg2:           #091328;   /* 패널, 사이드바 */
  --bg3:           #141f38;   /* 카드, 올라온 면 */
  --bg4:           #192540;   /* 가장 높은 면 */
  --bg-bright:     #1f2b49;   /* 밝은 표면 */
  --surface:       #091328;   /* 패널 공통 alias */

  /* ── 테두리 */
  --border:        #40485d;   /* 기본 테두리 */
  --border-2:      #6d758c;   /* 강조 테두리 */

  /* ── 텍스트 */
  --text:          #dee5ff;
  --text-primary:  #dee5ff;
  --text-muted:    #a3aac4;

  /* ── 브랜드 컬러 */
  --primary:       #ba9eff;
  --primary-dim:   #8455ef;
  --primary-fixed: #ae8dff;
  --on-primary:    #39008c;
  --ai-gradient:   linear-gradient(135deg, #ba9eff 0%, #8455ef 100%);

  /* ── semantic */
  --accent:        #ba9eff;
  --accent-hover:  #8455ef;
  --error:         #ff6e84;
  --danger:        #ff6e84;
  --success:       #52c87e;
  --warning:       #e0a052;
  --info:          #60a5fa;

  /* ── 반지름 */
  --radius-xs:  2px;
  --radius-sm:  4px;
  --radius:     6px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;
  --radius-full:100px;

  /* ── 전환 */
  --transition: 0.18s ease;

  /* ── 그림자 */
  --shadow-sm:  0 1px 4px rgba(0,0,0,0.4);
  --shadow:     0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 20px rgba(186,158,255,0.15);
}

/* ── 리셋 & 베이스 ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', 'Noto Sans KR', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── 스크롤바 ────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-2); }
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }

/* ── 링크 ────────────────────────────────────────────────────────────────── */
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Material Symbols 기본 세팅 ──────────────────────────────────────────── */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 20;
  vertical-align: middle;
  font-size: 18px;
  line-height: 1;
}
.material-symbols-outlined.fill-1 { font-variation-settings: 'FILL' 1, 'wght' 300, 'GRAD' 0, 'opsz' 20; }
.material-symbols-outlined.sz-sm  { font-size: 14px; }
.material-symbols-outlined.sz-lg  { font-size: 22px; }

/* ── 버튼 ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  outline: none;
  white-space: nowrap;
  letter-spacing: 0.2px;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.btn-primary {
  background: var(--ai-gradient);
  color: #fff;
  box-shadow: 0 2px 12px rgba(132,85,239,0.3);
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.1); }

.btn-secondary {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { background: var(--bg4); border-color: var(--border-2); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) { background: var(--bg3); color: var(--text); }

.btn-danger {
  background: rgba(255,110,132,0.15);
  color: var(--danger);
  border: 1px solid rgba(255,110,132,0.3);
}
.btn-danger:hover:not(:disabled) { background: var(--danger); color: #fff; border-color: var(--danger); }

/* ── 아이콘 버튼 ─────────────────────────────────────────────────────────── */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  padding: 0;
}
.icon-btn:hover { background: rgba(255,255,255,0.07); color: var(--text); }
.icon-btn.active { color: var(--primary); background: rgba(186,158,255,0.12); }

/* ── 폼 요소 ─────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }

.form-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  cursor: pointer;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  transition: border-color var(--transition), background var(--transition);
  resize: vertical;
  outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: rgba(186,158,255,0.5);
  background: rgba(0,0,0,0.4);
}
.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.5;
}
.form-select { appearance: none; cursor: pointer; }
.form-textarea { min-height: 80px; }

/* ── 상태 배지 ───────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.badge-processing { background: rgba(224,160,82,0.12); color: var(--warning); }
.badge-ready      { background: rgba(82,200,126,0.12); color: var(--success); }
.badge-editing    { background: rgba(186,158,255,0.12); color: var(--primary); }
.badge-created    { background: rgba(163,170,196,0.10); color: var(--text-muted); }

/* ── 로딩 스피너 ─────────────────────────────────────────────────────────── */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(186,158,255,0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: ds-spin 0.7s linear infinite;
  margin: 0 auto 16px;
}
.spinner-sm {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: ds-spin 0.8s linear infinite;
}
@keyframes ds-spin { to { transform: rotate(360deg); } }

.generating-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 60vh;
}
.generating-status { font-size: 14px; color: var(--text-muted); }

/* ── 토스트 ──────────────────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}
.toast {
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  pointer-events: none;
  max-width: 340px;
  white-space: nowrap;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  border: 1px solid;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { background: rgba(82,200,126,0.12); border-color: rgba(82,200,126,0.3); }
.toast-error   { background: rgba(255,110,132,0.12); border-color: rgba(255,110,132,0.3); }
.toast-info    { background: rgba(186,158,255,0.12); border-color: rgba(186,158,255,0.3); }

/* ── 스크린 전환 ─────────────────────────────────────────────────────────── */
.screen { display: none; min-height: 100vh; }
.screen.active { display: flex; flex-direction: column; }

/* ── 공통 레이아웃 ───────────────────────────────────────────────────────── */
.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── 페이지 헤더 ─────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.page-title {
  font-size: 20px;
  font-weight: 700;
  font-family: 'Manrope', sans-serif;
  letter-spacing: -0.3px;
}

/* ── 위저드 컨테이너 ─────────────────────────────────────────────────────── */
.wizard-wrap { flex: 1; display: flex; flex-direction: column; }
.wizard-body { flex: 1; padding: 28px 0; }
.wizard-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0 28px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

/* ── 진행 단계 표시기 ────────────────────────────────────────────────────── */
.progress-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 24px 0 20px;
}
.step-item { display: flex; align-items: center; gap: 0; }
.step-dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg2);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  transition: all var(--transition);
  flex-shrink: 0;
}
.step-dot.active { border-color: var(--primary); background: var(--primary); color: var(--on-primary); }
.step-dot.done   { border-color: var(--success); background: var(--success); color: #fff; }
.step-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 7px;
  transition: color var(--transition);
}
.step-label.active { color: var(--primary); font-weight: 600; }
.step-label.done   { color: var(--success); }
.step-line {
  width: 44px;
  height: 2px;
  background: var(--border);
  margin: 0 4px;
  transition: background var(--transition);
}
.step-line.done { background: var(--success); }

/* ── 섹션 제목 ───────────────────────────────────────────────────────────── */
.section-title { font-size: 17px; font-weight: 700; font-family: 'Manrope', sans-serif; margin-bottom: 5px; }
.section-desc  { font-size: 13px; color: var(--text-muted); margin-bottom: 22px; }

/* ── 홈 세션 카드 ────────────────────────────────────────────────────────── */
.sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  padding-bottom: 36px;
  align-content: start;
  align-items: start;
}
.session-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  max-height: 220px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.session-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}
.session-card-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 12px;
  overflow: hidden;
}
.session-card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.session-card-body { padding: 12px 14px; }
.session-card-project-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.session-card-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.session-card-meta { font-size: 11px; color: var(--text-muted); margin-bottom: 8px; }

/* ── 빈 상태 ─────────────────────────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 70px 24px;
  color: var(--text-muted);
  text-align: center;
  gap: 10px;
}
.empty-state-icon { font-size: 44px; opacity: 0.35; }
.empty-state-text { font-size: 14px; }

/* ── 업로드 존 ───────────────────────────────────────────────────────────── */
.upload-zone {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.2);
  padding: 52px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  color: var(--text-muted);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--primary);
  background: rgba(186,158,255,0.05);
  color: var(--text);
}
.upload-zone-icon  { font-size: 36px; margin-bottom: 10px; opacity: 0.5; }
.upload-zone-text  { font-size: 14px; margin-bottom: 5px; font-weight: 500; }
.upload-zone-hint  { font-size: 11px; color: var(--text-muted); }
.upload-preview    { margin-top: 18px; text-align: center; }
.upload-preview img {
  max-width: 300px;
  max-height: 220px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* ── OCR 칩 ──────────────────────────────────────────────────────────────── */
.ocr-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.ocr-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(186,158,255,0.08);
  border: 1px solid rgba(186,158,255,0.25);
  color: var(--primary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}
.ocr-chip:hover { background: rgba(186,158,255,0.15); }
.ocr-chip.selected { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }
.ocr-radio { accent-color: var(--primary); width: 13px; height: 13px; cursor: pointer; flex-shrink: 0; }

/* ── 로그인 / 회원가입 ───────────────────────────────────────────────────── */
.auth-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: radial-gradient(ellipse at 50% 0%, rgba(186,158,255,0.08) 0%, transparent 70%);
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
  box-shadow: var(--shadow-lg);
}
.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 26px;
}
.auth-logo-icon { font-size: 20px; color: var(--primary); }
.auth-logo-text {
  font-size: 19px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
  font-family: 'Manrope', sans-serif;
}
.auth-tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 22px; }
.auth-tab {
  flex: 1;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 9px 0;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
  margin-bottom: -1px;
  font-family: inherit;
}
.auth-tab:hover { color: var(--text); }
.auth-tab.auth-tab-active { color: var(--primary); border-bottom-color: var(--primary); }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-field { display: flex; flex-direction: column; gap: 5px; }
.auth-label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.auth-input {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  padding: 9px 12px;
  outline: none;
  transition: border-color var(--transition);
  font-family: inherit;
}
.auth-input:focus { border-color: rgba(186,158,255,0.5); }
.auth-input::placeholder { color: var(--text-muted); opacity: 0.5; }
.auth-error { font-size: 12px; color: var(--danger); min-height: 16px; }
.auth-submit { width: 100%; padding: 10px; font-size: 14px; margin-top: 4px; }
.auth-submit:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── 유저 배지 ───────────────────────────────────────────────────────────── */
.user-badge {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 3px 12px;
}
.user-badge:empty { display: none; }

/* ── 홈 레이아웃 ─────────────────────────────────────────────────────────── */
#screen-home { height: 100vh; overflow: hidden; }
#screen-home.active { display: flex; flex-direction: column; }

.home-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  height: 52px;
  background: var(--bg2);
  border-bottom: 1px solid rgba(64,72,93,0.4);
  flex-shrink: 0;
}
.home-topbar-logo {
  font-size: 16px;
  font-weight: 800;
  font-family: 'Manrope', sans-serif;
  letter-spacing: -0.3px;
  background: var(--ai-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.home-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* 좌측 그룹 사이드바 */
.home-sidebar {
  width: 200px;
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid rgba(64,72,93,0.4);
  display: flex;
  flex-direction: column;
  padding: 12px 0;
}
.home-sidebar-section {
  padding: 0 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.home-sidebar-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  opacity: 0.5;
  padding: 4px 8px 6px;
  font-family: 'Manrope', sans-serif;
}
.home-sidebar-divider {
  height: 1px;
  background: rgba(64,72,93,0.4);
  margin: 8px 12px;
  flex-shrink: 0;
}
.home-sidebar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: background var(--transition), color var(--transition);
}
.home-sidebar-item:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.home-sidebar-item.active { background: rgba(186,158,255,0.12); color: var(--primary); }
.home-sidebar-item .material-symbols-outlined { font-size: 17px; flex-shrink: 0; }
.home-sidebar-item span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

/* 그룹 항목 (수정/삭제 버튼 포함) */
.home-sidebar-group {
  display: flex;
  align-items: center;
  gap: 0;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.home-sidebar-group:hover { background: rgba(255,255,255,0.05); }
.home-sidebar-group.active { background: rgba(186,158,255,0.12); }
.home-sidebar-group-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  flex: 1;
  min-width: 0;
  text-align: left;
}
.home-sidebar-group-btn .material-symbols-outlined { font-size: 17px; flex-shrink: 0; }
.home-sidebar-group.active .home-sidebar-group-btn { color: var(--primary); }
.home-sidebar-group-btn span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.home-sidebar-group-actions {
  display: none;
  gap: 0;
  padding-right: 4px;
  flex-shrink: 0;
}
.home-sidebar-group:hover .home-sidebar-group-actions { display: flex; }
.home-sidebar-group-action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  font-family: inherit;
}
.home-sidebar-group-action:hover { background: rgba(255,255,255,0.1); color: var(--text); }
.home-sidebar-group-action .material-symbols-outlined { font-size: 14px; }

/* 인라인 이름 편집 */
.home-sidebar-group-edit {
  flex: 1;
  min-width: 0;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  padding: 3px 7px;
  outline: none;
  margin: 3px 4px;
}

.home-sidebar-footer {
  padding: 8px 8px 0;
  border-top: 1px solid rgba(64,72,93,0.3);
  margin-top: 8px;
  flex-shrink: 0;
}
.home-sidebar-add-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(64,72,93,0.6);
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  width: 100%;
  transition: border-color var(--transition), color var(--transition);
}
.home-sidebar-add-btn:hover { border-color: var(--primary); color: var(--primary); }
.home-sidebar-add-btn .material-symbols-outlined { font-size: 15px; }

/* 우측 콘텐츠 영역 */
.home-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.home-content-header {
  display: flex;
  align-items: center;
  padding: 16px 20px 12px;
  border-bottom: 1px solid rgba(64,72,93,0.3);
  flex-shrink: 0;
}
.home-content-title {
  font-size: 14px;
  font-weight: 700;
  font-family: 'Manrope', sans-serif;
}
.sessions-grid {
  padding: 16px 20px;
  overflow-y: auto;
  flex: 1;
}

/* ── 반응형 ──────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .sessions-grid { grid-template-columns: 1fr 1fr; }
  .step-line { width: 22px; }
  .step-label { display: none; }
}
@media (max-width: 480px) {
  .sessions-grid { grid-template-columns: 1fr; }
}