/* =========================================
   FM PANEL CORE (SAFE BASE)
   기준: sub_head_list.php 현재 화면 유지
========================================= */

/* =========================
   RESET
========================= */
*,
*::before,
*::after{
  box-sizing:border-box;
}

a{
  text-decoration:none !important;
  color:inherit;
}
a:hover,
a:focus,
a:active{
  text-decoration:none !important;
  color:inherit;
}

/* =========================
   PAGE SPACING (trainer 기준)
========================= */
.fm-page{
  padding-top:12px;
  padding-bottom:24px;
}

/* =========================
   CARD 공통 (layout 톤 유지)
========================= */
.fm-card,
.sub-card,
.card{
  border-radius:12px;
  border:1px solid rgba(255,255,255,.05);
  background:linear-gradient(180deg,#232830,#20252c);
}

/* 내부 여백 최소 개입 */
.fm-card-body,
.sub-body{
  padding:10px 12px;
}

/* =========================
   BUTTON (현재 값 유지)
========================= */
.fm-btn,
.btn{
  border-radius:10px;
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg,#49576a,#374354);
  color:#fff;
}

/* mini 버튼 */
.fm-mini,
.mini{
  border-radius:10px;
  font-size:12px;
  padding:3px 8px;
  line-height:1.2;
}

/* 상태 버튼 색 유지 */
.fm-mini.is-warn,
.mini.warn{
  background:linear-gradient(180deg,#866033,#6d4b22);
}

.fm-mini.is-danger,
.mini.danger{
  background:linear-gradient(180deg,#7a4a4b,#603839);
}

/* =========================
   INPUT + SELECT
========================= */
.fm-input,
.input,
select{
  border-radius:10px;
  border:1px solid rgba(255,255,255,.06);
  background:linear-gradient(180deg,#151e2a,#111a25);
  color:#dfe6f0;
  padding:6px 34px 6px 10px;
  font-size:13px;
  min-height:32px;
  outline:none;
  box-shadow:none;
}

/* select 다크톤 정리 */
select{
  appearance:none;
  -webkit-appearance:none;
  -moz-appearance:none;
  background-image:
    linear-gradient(45deg, transparent 50%, #93a4b8 50%),
    linear-gradient(135deg, #93a4b8 50%, transparent 50%),
    linear-gradient(180deg,#151e2a,#111a25);
  background-position:
    calc(100% - 15px) calc(50% - 2px),
    calc(100% - 10px) calc(50% - 2px),
    0 0;
  background-size:
    5px 5px,
    5px 5px,
    100% 100%;
  background-repeat:no-repeat;
  cursor:pointer;
}

select:hover{
  border-color:rgba(255,255,255,.12);
}

select:focus{
  border-color:rgba(186,201,219,.32);
  box-shadow:0 0 0 1px rgba(186,201,219,.08);
}

/* option */
select option{
  background:#18212d;
  color:#dfe6f0;
}

/* placeholder */
::placeholder{
  color:#8ea0b5;
  opacity:1;
}

/* autofill 제거 */
input:-webkit-autofill{
  -webkit-text-fill-color:#dfe6f0 !important;
  -webkit-box-shadow:0 0 0 1000px #111a25 inset !important;
}

/* =========================
   TABLE (❗ 절대 건드리지 않음)
========================= */

/* =========================
   ACTION 영역 (flex 금지)
========================= */
.fm-actions{
  text-align:right;
}

/* =========================
   SCROLL (trainer 기준)
========================= */
.fm-scroll,
.table-wrap{
  overflow:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.25) rgba(255,255,255,.05);
}

/* 크롬 */
.fm-scroll::-webkit-scrollbar,
.table-wrap::-webkit-scrollbar{
  width:6px;
  height:6px;
}

.fm-scroll::-webkit-scrollbar-track,
.table-wrap::-webkit-scrollbar-track{
  background:rgba(255,255,255,.05);
}

.fm-scroll::-webkit-scrollbar-thumb,
.table-wrap::-webkit-scrollbar-thumb{
  background:linear-gradient(
    rgba(255,255,255,.35),
    rgba(255,255,255,.12)
  );
  border-radius:999px;
}

/* =========================
   BLOCK GAP (안전 범위)
========================= */
.fm-panel,
.wrap,
.container{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.fm-input-wrap{
  position:relative;
}

.fm-input-wrap input{
  padding-right:60px;
}

.fm-input-hint{
  position:absolute;
  right:10px;
  top:50%;
  transform:translateY(-50%);
  font-size:11px;
  color:#8ea0b5;
  pointer-events:none;
}

/* =========================================
   AI CHOICE STUDIO
   독립 AI 출제 스튜디오 / fm_panel 확장
========================================= */
.ai-studio-wrap{
  display:grid;
  grid-template-columns:420px minmax(0,1fr);
  gap:14px;
  align-items:start;
  min-width:0;
}

.ai-studio-card{
  border:1px solid rgba(255,255,255,.06);
  border-radius:12px;
  background:linear-gradient(180deg,#242a32,#20252c);
  overflow:hidden;
}

.ai-studio-card-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding:14px 16px;
  border-bottom:1px solid rgba(255,255,255,.055);
}

.ai-studio-kicker{
  font-size:11px;
  letter-spacing:3px;
  color:#8d96a0;
  text-transform:uppercase;
  margin-bottom:6px;
}

.ai-studio-title{
  font-size:18px;
  line-height:1.25;
  font-weight:320;
  color:#e8ebef;
}

.ai-studio-copy{
  margin-top:7px;
  font-size:13px;
  line-height:1.45;
  color:#a8afb8;
}

.ai-studio-body{
  padding:14px 16px 16px;
}

.ai-studio-notice{
  border:1px solid rgba(215,180,106,.28);
  border-radius:12px;
  background:linear-gradient(180deg,rgba(215,180,106,.105),rgba(215,180,106,.035));
  color:#ead8a8;
  padding:12px 13px;
  font-size:13px;
  line-height:1.55;
  margin-bottom:12px;
}

.ai-studio-notice strong{
  color:#fff2c9;
  font-weight:350;
}

.ai-studio-field{
  margin-bottom:12px;
}

.ai-studio-label{
  display:flex;
  justify-content:space-between;
  gap:10px;
  margin-bottom:7px;
  color:#b8c0cf;
  font-size:13px;
  line-height:1.35;
}

.ai-studio-label small{
  color:#8d96a0;
  font-size:12px;
}

.ai-studio-grid-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}

.ai-studio-input,
.ai-studio-select,
.ai-studio-textarea{
  width:100%;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.065);
  background:linear-gradient(180deg,#151e2a,#111a25);
  color:#dfe6f0;
  outline:none;
  box-shadow:none;
  font-size:13px;
  font-weight:320;
}

.ai-studio-input,
.ai-studio-select{
  min-height:38px;
  padding:8px 34px 8px 10px;
}

.ai-studio-textarea{
  min-height:240px;
  padding:11px 12px;
  line-height:1.55;
  resize:vertical;
  white-space:pre;
}

.ai-studio-output{
  min-height:620px;
  max-height:760px;
  overflow:auto;
  white-space:pre-wrap;
  border:1px solid rgba(255,255,255,.065);
  border-radius:12px;
  background:linear-gradient(180deg,#151e2a,#101722);
  padding:14px;
  line-height:1.58;
  font-size:13px;
  color:#e2e8f2;
}

.ai-studio-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:8px;
  margin-top:12px;
}

.ai-studio-btn{
  min-height:34px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg,#49576a,#374354);
  color:#fff;
  padding:7px 12px;
  cursor:pointer;
  font-size:13px;
  font-weight:320;
}

.ai-studio-btn.is-primary{
  border-color:rgba(215,180,106,.28);
  color:#fff1c8;
  background:linear-gradient(180deg,#556171,#3b4656);
}

.ai-studio-btn.is-ghost{
  background:transparent;
  color:#a8afb8;
}

.ai-studio-checks{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
}

.ai-studio-check{
  min-height:34px;
  display:flex;
  align-items:center;
  gap:8px;
  border:1px solid rgba(255,255,255,.055);
  border-radius:10px;
  background:rgba(255,255,255,.025);
  color:#cbd3df;
  padding:8px 9px;
  font-size:13px;
}

.ai-studio-check input{
  width:auto;
  min-height:0;
}

.ai-studio-mini{
  margin-top:8px;
  font-size:12px;
  line-height:1.5;
  color:#8d96a0;
}

.ai-studio-badges{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  justify-content:flex-end;
}

.ai-studio-badge{
  display:inline-flex;
  align-items:center;
  min-height:24px;
  border:1px solid rgba(255,255,255,.06);
  border-radius:999px;
  background:rgba(255,255,255,.025);
  padding:0 9px;
  color:#a8afb8;
  font-size:12px;
  white-space:nowrap;
}

.ai-studio-output::-webkit-scrollbar,
.ai-studio-textarea::-webkit-scrollbar{
  width:6px;
  height:6px;
}

.ai-studio-output::-webkit-scrollbar-track,
.ai-studio-textarea::-webkit-scrollbar-track{
  background:rgba(255,255,255,.045);
}

.ai-studio-output::-webkit-scrollbar-thumb,
.ai-studio-textarea::-webkit-scrollbar-thumb{
  background:linear-gradient(rgba(255,255,255,.35),rgba(255,255,255,.12));
  border-radius:999px;
}

@media(max-width:1100px){
  .ai-studio-wrap{
    grid-template-columns:1fr;
  }
}

@media(max-width:760px){
  .ai-studio-grid-2,
  .ai-studio-checks{
    grid-template-columns:1fr;
  }
  .ai-studio-actions{
    justify-content:stretch;
  }
  .ai-studio-btn{
    width:100%;
  }
}

/* =========================================
   AI CHOICE STUDIO POLISH
   - 보통체 통일
   - 입력/결과 원고체 이질감 제거
   - 1카드 링크버튼 표시감
========================================= */
.ai-studio-wrap,
.ai-studio-wrap *,
.ai-studio-card,
.ai-studio-card *,
.ai-studio-notice,
.ai-studio-notice *,
.ai-studio-output,
.ai-studio-textarea,
.ai-studio-input,
.ai-studio-select{
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR","Apple SD Gothic Neo",sans-serif !important;
  font-weight:320 !important;
  letter-spacing:-.02em;
}

.ai-studio-textarea,
.ai-studio-output{
  font-size:15px !important;
  line-height:1.62 !important;
  color:#dfe6f0 !important;
}

.ai-studio-output{
  background:linear-gradient(180deg,#151d28,#111824) !important;
}

.ai-studio-textarea{
  background:linear-gradient(180deg,#17202c,#121a25) !important;
}

.ai-studio-input,
.ai-studio-select{
  font-size:14px !important;
}

.ai-studio-title{
  font-size:18px !important;
  font-weight:330 !important;
}

.ai-studio-copy,
.ai-studio-label,
.ai-studio-mini,
.ai-studio-check,
.ai-studio-badge{
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR","Apple SD Gothic Neo",sans-serif !important;
}

.left-menu a{
  position:relative;
  display:flex !important;
  align-items:center;
  justify-content:space-between;
  min-height:38px;
  padding:9px 12px !important;
  border:1px solid rgba(255,255,255,.075) !important;
  border-radius:10px !important;
  background:linear-gradient(180deg,#303843,#242b35) !important;
  color:#e5eaf2 !important;
  font-size:13px !important;
  font-weight:320 !important;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.035), 0 8px 22px rgba(0,0,0,.13);
}

.left-menu a::after{
  content:"›";
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:18px;
  height:18px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.035);
  color:#d7b46a;
  font-size:16px;
  line-height:1;
  margin-left:10px;
}

.left-menu a:hover{
  border-color:rgba(215,180,106,.24) !important;
  background:linear-gradient(180deg,#37404c,#28313c) !important;
  color:#fff3d0 !important;
}

.left-menu{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.info-stack,
.info-stack *{
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR","Apple SD Gothic Neo",sans-serif !important;
}

.info-item{
  border-radius:10px;
}

/* =========================================
   AI CHOICE STUDIO TOP HEADER COMPACT
========================================= */
.brand-sub{
  margin-top:7px;
  color:#a8b1bf;
  font-size:14px;
  line-height:1.45;
  letter-spacing:-.02em;
  font-weight:320;
}

.base-layer .frame-grid:first-child,
.frame-grid{
  margin-top:0;
}

.frame-head:empty{
  display:none;
}