/*
  @file     style.css
  @version  1.01
  @project  member_only 0.1.0
  @owner    DSH (시스템 인프라)
  이력:
    1.01  2026-09-17  DSH  [hidden] 강제 규칙 추가(로그인 폼 잔존 버그)
    1.00  2026-09-17  DSH  최초 작성
*/
:root{
  --bg:#0c0f14; --panel:#141922; --panel2:#1b2230; --line:#242d3d;
  --fg:#e8edf6; --muted:#8b98ad; --accent:#5b9dff; --ok:#3ecf8e; --warn:#ffb454; --err:#ff6b6b;
  --radius:14px;
}
*{box-sizing:border-box}
[hidden]{display:none !important}   /* @changed 1.01 2026-09-17 DSH — display 지정이 hidden 속성을 이기는 문제 수정 */
html,body{margin:0;height:100%}
body{background:radial-gradient(1200px 600px at 20% -10%, #16202e 0%, var(--bg) 60%);color:var(--fg);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2{margin:0;font-weight:650}
.muted{color:var(--muted)}
.tiny{font-size:12px}
.error{color:var(--err);min-height:20px;margin:8px 0 0;font-size:13px}
.pill{background:var(--panel2);border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:12px;color:var(--muted)}
.pill.soft{background:transparent}
.brand{font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:12px;color:var(--accent)}
.card{background:linear-gradient(180deg,var(--panel) 0%,#111721 100%);border:1px solid var(--line);border-radius:var(--radius)}

/* 로그인 */
.login-wrap{min-height:100%;display:grid;place-items:center;padding:24px}
.login-card{width:min(420px,100%);padding:34px 30px;display:flex;flex-direction:column;gap:10px}
.login-card h1{font-size:23px;margin-top:6px}
.login-card p{margin:0}
.login-card label{font-size:12px;color:var(--muted);margin-top:10px}
input{background:#0e131c;border:1px solid var(--line);color:var(--fg);border-radius:10px;padding:11px 13px;font-size:15px;outline:none;width:100%}
input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(91,157,255,.15)}
button{background:var(--accent);color:#04101f;border:0;border-radius:10px;padding:11px 16px;font-size:15px;font-weight:650;cursor:pointer;white-space:nowrap}
button:hover{filter:brightness(1.08)}
button:disabled{opacity:.5;cursor:default}
button.ghost{background:transparent;border:1px solid var(--line);color:var(--muted);font-weight:500;padding:6px 12px;font-size:13px}

/* 본문 */
.topbar{display:flex;align-items:center;gap:16px;padding:14px 22px;border-bottom:1px solid var(--line);
  position:sticky;top:0;backdrop-filter:blur(10px);background:rgba(12,15,20,.82);z-index:5}
.topbar-mid{display:flex;flex-direction:column;line-height:1.25}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.layout{display:grid;grid-template-columns:1fr 380px;gap:22px;padding:22px;align-items:start}
@media (max-width:1000px){.layout{grid-template-columns:1fr}}
.section-head{display:flex;align-items:baseline;gap:10px;margin-bottom:12px}
.section-head h2{font-size:15px;letter-spacing:.02em}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:14px}
.src{padding:16px 18px}
.src h3{margin:0 0 4px;font-size:14px}
.src .note{font-size:12px;color:var(--muted);margin:0 0 10px}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:7px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.06em}
tr:last-child td{border-bottom:0}
.hidden-badge{margin-top:10px;font-size:11px;color:var(--muted);border-top:1px dashed var(--line);padding-top:8px}

/* 대화 */
.col-chat{position:sticky;top:78px}
.chat-log{height:52vh;min-height:260px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:4px 2px 8px}
.msg{max-width:92%;padding:10px 13px;border-radius:12px;font-size:14px;white-space:pre-wrap;word-break:break-word}
.msg.user{align-self:flex-end;background:#22406e;border:1px solid #2d5490}
.msg.bot{align-self:flex-start;background:var(--panel2);border:1px solid var(--line)}
.msg.sys{align-self:center;background:transparent;border:0;color:var(--muted);font-size:12px}
/* @changed 1.02 2026-09-18 DSH — 에이전트 답변 안의 표·불릿·코드 */
.msg ul{margin:6px 0 6px 18px;padding:0}
.msg li{margin:2px 0}
.msg .md-h{font-weight:650;margin:8px 0 4px}
.msg code{background:#0e131c;border:1px solid var(--line);border-radius:4px;padding:0 4px;font-size:12px}
.msg table.md{width:100%;border-collapse:collapse;margin:6px 0;font-size:13px}
.msg table.md th,.msg table.md td{border:1px solid var(--line);padding:4px 7px;text-align:left;vertical-align:top}
.msg table.md th{background:#111721;color:var(--muted);font-weight:500}
.chat-form{display:flex;gap:8px;margin-top:6px}
.chat-form button{padding:11px 14px;flex:0 0 auto}