:root {
  --primary: #2F5D9E;
  --primary-dark: #1B3A5C;
  --accent: #E8943A;
  --bg: #F2F4F8;
  --card: #FFFFFF;
  --text: #22272E;
  --muted: #6B7480;
  --border: #DDE3EA;
  --danger: #D64545;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(20, 40, 80, .07);
}

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

/* display:grid 등이 hidden 속성을 덮어쓰지 못하게 강제 (모달/오버레이 표시 제어의 핵심) */
[hidden] { display: none !important; }

body {
  font-family: 'Pretendard', 'Malgun Gothic', '맑은 고딕', 'Noto Sans KR', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

/* ── 상단바 ── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--primary-dark); color: #fff;
  padding: 10px 22px; position: sticky; top: 0; z-index: 50;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #F6C67B);
  display: grid; place-items: center;
  font-weight: 800; font-size: 20px; color: #fff;
}
.logo strong { font-size: 16px; display: block; }
.logo strong em { font-style: normal; color: var(--accent); }
.logo small { opacity: .65; font-size: 11px; }
.topbar-actions { display: flex; gap: 8px; align-items: center; }
.engine-badge {
  font-size: 11.5px; background: rgba(255,255,255,.12);
  padding: 5px 10px; border-radius: 20px; margin-right: 6px;
}

/* ── 스텝 내비 ── */
.step-nav {
  display: flex; gap: 4px; background: #fff;
  padding: 8px 22px; border-bottom: 1px solid var(--border);
  position: sticky; top: 58px; z-index: 40;
}
.step-tab {
  flex: 1; max-width: 260px;
  display: flex; align-items: center; gap: 8px; justify-content: center;
  padding: 10px; border: none; background: transparent;
  font-size: 13.5px; font-weight: 600; color: var(--muted);
  border-radius: 8px; cursor: pointer; font-family: inherit;
}
.step-tab .num {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--border); color: var(--muted);
  display: grid; place-items: center; font-size: 12px;
}
.step-tab.active { background: #EAF1FB; color: var(--primary); }
.step-tab.active .num { background: var(--primary); color: #fff; }
.step-tab.done .num { background: var(--accent); color: #fff; }

/* ── 패널/카드 ── */
main { max-width: 1240px; margin: 0 auto; padding: 22px; }
.panel { display: none; }
.panel.active { display: block; }
.panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 960px) { .panel-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); margin-bottom: 18px;
}
.card h2 { font-size: 16px; margin-bottom: 14px; color: var(--primary-dark); }
.card h3 { font-size: 13px; margin: 14px 0 8px; color: var(--primary-dark); }
.hint { font-size: 12px; color: var(--muted); font-weight: 400; }

/* ── 폼 ── */
.field { display: block; margin-bottom: 12px; }
.field > span {
  display: block; font-size: 12.5px; font-weight: 600;
  color: #3D4450; margin-bottom: 5px;
}
.field .req { color: var(--danger); }
.field input[type="text"], .field input[type="password"],
.field select, .field textarea {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--border); border-radius: 8px;
  font-size: 13.5px; font-family: inherit; background: #FBFCFE;
  resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid rgba(47, 93, 158, .35); border-color: var(--primary);
}
.field-row { display: flex; gap: 10px; }
.field-row .field { flex: 1; }
.color-field input[type="color"] {
  width: 100%; height: 38px; border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; background: #fff; padding: 3px;
}

/* ── 칩 ── */
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 13px; border: 1.5px solid var(--border);
  border-radius: 20px; font-size: 13px; cursor: pointer; user-select: none;
  background: #fff;
}
.chip:has(input:checked) {
  border-color: var(--primary); background: #EAF1FB;
  color: var(--primary); font-weight: 600;
}
.chip input { accent-color: var(--primary); }

/* ── 업로드 ── */
.upload-zone {
  border: 1.5px dashed var(--border); border-radius: 10px;
  padding: 14px; text-align: center; background: #FBFCFE;
}
.upload-zone.dragover { border-color: var(--primary); background: #EAF1FB; }
.upload-zone small { display: block; margin-top: 6px; color: var(--muted); }
.img-preview-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.img-thumb {
  position: relative; width: 84px; height: 84px;
  border-radius: 8px; overflow: hidden; border: 1px solid var(--border);
}
.img-thumb img { width: 100%; height: 100%; object-fit: cover; }
.img-thumb button {
  position: absolute; top: 3px; right: 3px;
  width: 20px; height: 20px; border-radius: 50%;
  border: none; background: rgba(0,0,0,.55); color: #fff;
  cursor: pointer; font-size: 11px; line-height: 1;
}

/* ── 버튼 ── */
.btn {
  padding: 9px 16px; border-radius: 8px; border: 1px solid transparent;
  font-size: 13.5px; font-weight: 600; cursor: pointer; font-family: inherit;
  transition: transform .06s, box-shadow .1s;
}
.btn:active { transform: scale(.97); }
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { background: #27508a; }
.btn.ghost { background: #fff; border-color: var(--border); color: #3D4450; }
.btn.ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn.xl { padding: 13px 26px; font-size: 15px; }
.btn.sm { padding: 6px 11px; font-size: 12.5px; }
.topbar .btn.ghost { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.25); color: #fff; }

.panel-footer {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 6px 2px 30px;
}
.row-actions { display: flex; gap: 8px; margin-top: 10px; }
.row-actions.center { justify-content: center; }

/* ── 슬라이드 구성안 ── */
.slide-plan-list { display: flex; flex-direction: column; gap: 10px; }
.slide-plan-item {
  border: 1px solid var(--border); border-radius: 10px;
  padding: 12px; background: #FBFCFE;
}
.slide-plan-item .sp-head {
  display: flex; align-items: center; gap: 8px; margin-bottom: 8px;
}
.sp-badge {
  font-size: 11px; font-weight: 700; padding: 3px 9px;
  border-radius: 12px; background: var(--primary); color: #fff;
}
.sp-badge.cover { background: var(--accent); }
.sp-badge.quote { background: #7B5EA7; }
.sp-badge.closing { background: #3E8E5A; }
.sp-head .sp-tools { margin-left: auto; display: flex; gap: 4px; }
.sp-tools button {
  border: none; background: transparent; cursor: pointer;
  font-size: 13px; color: var(--muted); padding: 2px 5px;
}
.sp-tools button:hover { color: var(--danger); }
.slide-plan-item input, .slide-plan-item textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 9px; font-size: 13px; font-family: inherit;
  margin-bottom: 6px; background: #fff; resize: vertical;
}

/* ── 스튜디오 ── */
.studio-layout { display: grid; grid-template-columns: 320px 1fr; gap: 18px; }
@media (max-width: 960px) { .studio-layout { grid-template-columns: 1fr; } }
.studio-side { max-height: 76vh; overflow-y: auto; }
.tpl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tpl-card {
  border: 2px solid var(--border); border-radius: 9px;
  padding: 8px; cursor: pointer; text-align: center;
  background: #fff; font-family: inherit;
}
.tpl-card.active { border-color: var(--primary); background: #EAF1FB; }
.tpl-card .tpl-swatch {
  height: 46px; border-radius: 6px; margin-bottom: 6px;
}
.tpl-card span { font-size: 11.5px; font-weight: 600; }
.studio-side select { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; font-size: 12.5px; }

.slide-thumbs {
  display: flex; gap: 8px; overflow-x: auto; padding: 4px 2px 10px;
}
.slide-thumb {
  flex: 0 0 auto; width: 74px; height: 74px;
  border: 2px solid var(--border); border-radius: 8px;
  overflow: hidden; cursor: pointer; background: #fff; position: relative;
}
.slide-thumb.active { border-color: var(--accent); }
.slide-thumb img { width: 100%; height: 100%; object-fit: cover; }
.slide-thumb .st-num {
  position: absolute; left: 4px; top: 3px;
  font-size: 10px; font-weight: 700; color: #fff;
  background: rgba(0,0,0,.5); border-radius: 8px; padding: 1px 6px;
}
.canvas-wrap {
  display: grid; place-items: center;
  background: repeating-conic-gradient(#E8ECF2 0% 25%, #F5F7FA 0% 50%) 0 / 24px 24px;
  border-radius: var(--radius); padding: 18px; min-height: 420px;
}
#cardCanvas {
  max-width: 100%; max-height: 60vh;
  box-shadow: 0 8px 30px rgba(0,0,0,.18); border-radius: 4px;
}

/* ── 발행 ── */
.pub-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.pub-tab {
  padding: 9px 16px; border-radius: 20px; border: 1.5px solid var(--border);
  background: #fff; font-size: 13px; font-weight: 600; cursor: pointer; font-family: inherit;
}
.pub-tab.active { border-color: var(--primary); background: var(--primary); color: #fff; }
.pub-box textarea {
  width: 100%; min-height: 180px; padding: 12px;
  border: 1px solid var(--border); border-radius: 10px;
  font-size: 13.5px; font-family: inherit; background: #FBFCFE; resize: vertical;
}
.pub-meta { display: flex; align-items: center; gap: 10px; margin: 8px 0 12px; flex-wrap: wrap; }
.char-count { font-size: 12px; color: var(--muted); }
.char-count.over { color: var(--danger); font-weight: 700; }
.pub-note {
  background: #FFF7EC; border: 1px solid #F3D9AE; border-radius: 8px;
  font-size: 12.5px; padding: 10px 13px; margin-bottom: 12px; color: #7A5A1E;
}
.naver-preview {
  border: 1px solid var(--border); border-radius: 10px;
  padding: 22px; background: #fff; max-height: 420px; overflow-y: auto;
  font-size: 14px;
}
.naver-preview h2 { font-size: 20px; margin-bottom: 12px; color: #111; }
.naver-preview h3 { font-size: 16px; margin: 16px 0 8px; color: #222; }
.naver-preview blockquote {
  border-left: 3px solid var(--accent); padding: 8px 14px;
  background: #FAF6EF; margin: 10px 0; color: #555;
}
.naver-preview .img-slot {
  background: #F0F3F7; border: 1.5px dashed #C6CFDA; border-radius: 8px;
  text-align: center; padding: 18px; color: var(--muted);
  font-size: 12.5px; margin: 12px 0;
}

/* ── 모달/토스트/로딩 ── */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(15, 25, 40, .55);
  display: grid; place-items: center; z-index: 100;
}
.modal {
  width: min(520px, 92vw); max-height: 86vh; overflow-y: auto;
  background: #fff; border-radius: 14px; padding: 24px;
}
.modal h2 { font-size: 17px; margin-bottom: 10px; }
.modal .hint { margin-bottom: 14px; }
.provider-fields { display: none; padding: 4px 0; }
.provider-fields.visible { display: block; }
.provider-fields a { color: var(--primary); font-weight: 400; margin-left: 6px; }
.modal code { background: #F0F3F7; padding: 1px 6px; border-radius: 4px; }

.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%);
  background: #22272E; color: #fff; padding: 11px 22px;
  border-radius: 24px; font-size: 13.5px; z-index: 200;
  box-shadow: 0 6px 20px rgba(0,0,0,.3);
}
.loading-overlay {
  position: fixed; inset: 0; background: rgba(255,255,255,.82);
  display: grid; place-content: center; justify-items: center;
  z-index: 150; text-align: center;
}
.loading-overlay p { margin-top: 12px; font-weight: 600; color: var(--primary-dark); }
.spinner {
  width: 46px; height: 46px; border-radius: 50%;
  border: 4px solid var(--border); border-top-color: var(--primary);
  animation: spin .8s linear infinite; margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }