/* ════════════════════════════════════════════════════════════════
 * 7. 오버레이 — 토스트 · 시작 카드 · 갤러리 · 상태 알림 · 도움말 (guide.js)
 * ════════════════════════════════════════════════════════════════ */
#toast {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  padding: 9px 20px; border-radius: 8px; font-size: 12px; font-weight: 700;
  z-index: 9999; opacity: 0; pointer-events: none; transition: opacity 0.3s;
  max-width: min(560px, calc(100% - 32px)); text-align: center; line-height: 1.45;
  box-shadow: var(--shadow-panel);
  background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--warn-text);
}
#toast.ok  { background: var(--ok-bg);  border-color: var(--ok-border);  color: var(--ok-text); }
#toast.err { background: var(--danger-bg); border-color: var(--danger-border); color: var(--danger-text); }
#toast.visible { opacity: 1; }

/* ── 시작 카드 ── */
#start-guide {
  position: absolute; left: 50%; top: 46%; transform: translate(-50%,-50%);
  z-index: 24; width: min(560px, calc(100% - 40px)); display: none;
  background: var(--bg-panel-deep); border: 1px solid var(--border-base); border-radius: var(--radius-xl);
  padding: 18px 20px 16px; backdrop-filter: var(--blur); box-shadow: var(--shadow-float);
  color: var(--text-base);
}
#start-guide.visible { display: block; }
#start-guide .sg-title { font-size: 15px; font-weight: 700; color: var(--text-accent); margin-bottom: 8px; letter-spacing: 0.5px; }
#start-guide .sg-lead  { font-size: 12.5px; line-height: 1.65; }
#start-guide .sg-sub   { font-size: 11px; color: var(--text-dim); margin: 12px 0 6px; font-weight: 700; }
#start-guide .sg-btns  { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
#start-guide .sg-btn {
  font-size: 12px; font-weight: 600; padding: 7px 12px; border-radius: 8px;
  border: 1px solid var(--border-base); background: #fff; color: var(--text-base); cursor: pointer;
}
#start-guide .sg-btn:hover { border-color: var(--border-active); background: var(--btn-h); }
#start-guide .sg-btn.primary { background: var(--text-accent); border-color: var(--text-accent); color: #fff; }
#start-guide .sg-btn.primary:hover { background: #1e40af; }
#start-guide .sg-foot { font-size: 11px; color: var(--text-dim); margin-top: 10px; }
#start-guide .sg-x { position: absolute; right: 12px; top: 10px; cursor: pointer; color: var(--text-dim); font-size: 12px; }
#start-guide .sg-x:hover { color: var(--text-accent); }

/* ── 갤러리 그리드 (시작 카드·갤러리 패널 공용) ── */
.gal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 6px; }
.gal-item {
  text-align: left; padding: 8px 10px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border-base); background: #fff; color: var(--text-base);
  display: flex; flex-direction: column; gap: 3px;
}
.gal-item:hover { border-color: var(--border-active); background: var(--btn-h); }
.gal-item.current { background: var(--sel-bg); border-color: var(--border-active); }
.gal-title { font-size: 12px; font-weight: 700; line-height: 1.3; display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }
.gal-lv { font-size: 9px; color: var(--text-accent); border: 1px solid var(--border-active); border-radius: 3px; padding: 0 4px; white-space: nowrap; font-weight: 600; }
.gal-tag { font-size: 10px; color: var(--text-dim); }
.gal-desc { font-size: 10.5px; color: var(--text-dim); line-height: 1.45; margin-top: 2px; }

/* ── 상태 알림 (validateAll 경고) ── */
#status-chip {
  position: absolute; left: 50%; top: 12px; transform: translateX(-50%);
  z-index: 25; display: none; max-width: min(560px, calc(100% - 32px));
  padding: 8px 30px 8px 12px; border-radius: 9px; font-size: 11.5px; line-height: 1.5;
  background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--warn-text); box-shadow: var(--shadow-panel);
}
#status-chip.visible { display: block; }
#status-chip .chip-msg { font-weight: 700; }
#status-chip .chip-hint { margin-top: 3px; opacity: 0.92; }
#status-chip .chip-x { position: absolute; right: 9px; top: 7px; cursor: pointer; opacity: 0.6; font-size: 11px; }
#status-chip .chip-x:hover { opacity: 1; }

/* ── 떠 있는 패널 공통 (도움말·갤러리·그래프) ── */
.fl-panel {
  position: fixed; right: 12px; top: 12px; z-index: 60; width: 360px; max-height: calc(100dvh - 24px);
  overflow-y: auto; display: none;
  background: var(--bg-panel-deep); border: 1px solid var(--border-base); border-radius: 12px;
  padding: 12px 14px 16px; backdrop-filter: var(--blur); box-shadow: var(--shadow-float);
  font-size: 12px; color: var(--text-base); line-height: 1.6;
}
.fl-panel.visible { display: block; }
.fl-panel .tp-title {
  font-size: 12px; color: var(--text-accent); font-weight: 700; letter-spacing: 1px;
  border-bottom: 1px solid var(--border-dim); padding-bottom: 7px; margin-bottom: 10px;
  display: flex; justify-content: space-between; align-items: center;
}
.fl-panel .tp-close { cursor: pointer; color: var(--text-dim); font-size: 12px; }
.fl-panel .tp-close:hover { color: var(--text-accent); }

/* 도움말 본문 */
#help-panel .hp-h { font-weight: 700; color: var(--text-accent); margin: 12px 0 5px; font-size: 12px; }
#help-panel .hp-h:first-child { margin-top: 0; }
#help-panel ul { margin: 0; padding-left: 17px; }
#help-panel li { margin-bottom: 4px; }
#help-panel .hp-t { border-collapse: collapse; width: 100%; }
#help-panel .hp-t td { border-bottom: 1px solid var(--border-dim); padding: 4px 6px; vertical-align: top; }
#help-panel .hp-t td:first-child { white-space: nowrap; font-weight: 700; color: var(--text-accent2); width: 1%; }

/* 갤러리 패널 */
#gallery-panel { width: 400px; }
#gallery-panel .gal-grid { grid-template-columns: repeat(2, 1fr); }
#gallery-panel .gal-intro { color: var(--text-dim); font-size: 11px; margin-bottom: 8px; }

/* ── 시간 그래프 패널 (graph.js) ── */
#graph-panel { top: auto; bottom: 106px; right: 12px; width: 372px; max-height: none; padding-bottom: 12px; }
#graph-canvas { display: block; width: 100%; height: 190px; border: 1px solid var(--border-dim); border-radius: 6px; background: #fff; }
.g-tabs { display: flex; flex-wrap: wrap; gap: 3px; margin-bottom: 8px; }
.g-tab { font-size: 10.5px; padding: 2px 8px; border: 1px solid var(--border-dim); border-radius: 10px; background: #fff; color: var(--text-dim); cursor: pointer; }
.g-tab:hover { border-color: var(--border-active); }
.g-tab.on { border-color: var(--border-active); color: var(--text-accent); font-weight: 700; background: var(--sel-bg); }
.g-legend { display: flex; flex-wrap: wrap; gap: 4px 8px; margin-top: 7px; align-items: center; font-size: 10.5px; }
.g-tog { font-size: 10.5px; padding: 1px 8px 1px 6px; border: 1px solid var(--border-dim); border-radius: 10px; background: #fff; color: var(--text-dim); cursor: pointer; display: inline-flex; align-items: center; gap: 5px; }
.g-tog::before { content: ''; width: 9px; height: 9px; border-radius: 50%; background: var(--c, #999); opacity: 0.35; }
.g-tog.on { color: var(--text-base); border-color: var(--border-base); }
.g-tog.on::before { opacity: 1; }
.g-tog.small::before { display: none; }
.g-key { display: inline-flex; align-items: center; gap: 5px; color: var(--text-dim); }
.g-key::before { content: ''; width: 12px; height: 2px; background: var(--c, #999); }
.g-key.ghost::before { background: #9aa1ab; }

/* ── POE 패널 (poe.js) — 왼쪽 위, 팔레트 옆 ── */
#poe-panel { right: auto; left: calc(var(--sidebar-w) + 12px); width: 340px; max-height: calc(100dvh - 120px); }
.poe-intro, .poe-dim { color: var(--text-dim); font-size: 11px; margin: 4px 0 8px; line-height: 1.5; }
.poe-tabs { display: flex; flex-wrap: wrap; gap: 4px; margin: 2px 0 8px; }
.poe-tab { font-size: 10px; padding: 2px 8px; border: 1px solid var(--border-dim); border-radius: 10px; background: #fff; color: var(--text-dim); cursor: pointer; }
.poe-tab:hover { border-color: var(--border-active); }
.poe-tab.on { border-color: var(--border-active); color: var(--text-accent); font-weight: 700; background: var(--sel-bg); }
.poe-item { display: flex; align-items: center; gap: 8px; padding: 7px 8px; border-radius: 6px; cursor: pointer; border: 1px solid transparent; }
.poe-item:hover { background: var(--btn-h); border-color: var(--border-active); }
.poe-lv { font-size: 9px; color: var(--text-accent); border: 1px solid var(--border-active); border-radius: 3px; padding: 0 5px; white-space: nowrap; }
.poe-title { flex: 1; font-weight: 600; }
.poe-mark.ok { color: var(--ok-text); } .poe-mark.no { color: var(--danger-text); }
.poe-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.poe-steps { display: flex; gap: 6px; margin: 4px 0 10px; }
.poe-step { font-size: 10px; color: var(--text-dim); border-bottom: 2px solid var(--border-dim); padding: 2px 6px; }
.poe-step.on { color: var(--text-accent); border-bottom-color: var(--border-active); font-weight: 700; }
.poe-q { font-size: 12.5px; margin: 6px 0 10px; line-height: 1.55; }
.poe-opts { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.poe-btn { font-size: 12px; text-align: left; padding: 7px 10px; border-radius: 6px; border: 1px solid var(--border-base); background: #fff; color: var(--text-base); cursor: pointer; line-height: 1.4; }
.poe-btn:hover { border-color: var(--border-active); background: var(--btn-h); }
.poe-btn.picked { background: var(--sel-bg); border-color: var(--border-active); font-weight: 700; }
.poe-btn.poe-primary { background: var(--text-accent); color: #fff; border-color: var(--text-accent); text-align: center; font-weight: 700; width: 100%; }
.poe-btn.poe-primary:hover { background: #1e40af; }
.poe-btn.poe-small { font-size: 10.5px; padding: 3px 8px; }
.poe-verdict { font-weight: 700; padding: 8px 10px; border-radius: 6px; margin-bottom: 8px; }
.poe-verdict.ok { background: var(--ok-bg); color: var(--ok-text); } .poe-verdict.no { background: var(--danger-bg); color: var(--danger-text); }
.poe-tag { background: var(--warn-bg); color: var(--warn-text); border-radius: 6px; padding: 6px 10px; margin-bottom: 8px; font-size: 11.5px; line-height: 1.5; }
.poe-explain { margin: 8px 0; line-height: 1.6; }
.poe-answer { background: var(--ok-bg); color: #0f6b42; border: 1px solid var(--ok-border); border-radius: 6px; padding: 7px 10px; margin-bottom: 6px; font-weight: 700; font-size: 12px; line-height: 1.5; }
.poe-yours { background: var(--btn-h); color: var(--text-dim); border-radius: 6px; padding: 6px 10px; margin-bottom: 6px; font-size: 11.5px; line-height: 1.5; }
.poe-endbtns { display: flex; gap: 6px; margin: 10px 0 8px; }
.poe-endbtns .poe-btn { flex: 1; text-align: center; }
.poe-progress { font-size: 11px; color: var(--text-dim); margin: 10px 0 4px; }
.poe-bar { height: 5px; border-radius: 3px; background: var(--border-dim); margin-top: 5px; overflow: hidden; }
.poe-bar-fill { height: 100%; background: var(--text-accent); border-radius: 3px; transition: width 0.25s; }
.poe-foot { display: flex; align-items: center; gap: 6px; margin-top: 10px; }
.poe-steps-list { margin: 0 0 8px; padding-left: 18px; line-height: 1.6; }
.poe-steps-list li { margin-bottom: 5px; }
table.poe-truth { border-collapse: collapse; margin: 6px 0 10px; font-size: 11.5px; width: 100%; }
table.poe-truth th, table.poe-truth td { border: 1px solid var(--border-base); padding: 3px 8px; text-align: center; }
table.poe-truth th { background: var(--bg-sidebar); color: var(--text-label); font-weight: 600; font-size: 10.5px; }
table.poe-truth tr.click { cursor: pointer; } table.poe-truth tr.click:hover td { background: var(--btn-h); }
table.poe-truth tr.on td { background: var(--sel-bg); font-weight: 700; }

/* ── 스윕 패널 ── */
#sweep-panel { right: auto; left: calc(var(--sidebar-w) + 12px); width: 372px; max-height: calc(100dvh - 120px); }
#sweep-panel.beside { left: calc(var(--sidebar-w) + 12px + 352px); }
.sw-form { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; font-size: 11px; }
.sw-form label { display: flex; align-items: center; gap: 6px; color: var(--text-label); flex: 1; }
.sw-form select, .sw-form input { flex: 1; min-width: 0; font-family: var(--font); font-size: 11px; padding: 3px 5px; border: 1px solid var(--border-base); border-radius: var(--radius-sm); background: #fff; color: var(--text-base); }
.sw-form input[type=number] { width: 58px; flex: none; }
.sw-row { display: flex; gap: 8px; align-items: center; }
#sweep-canvas { display: block; width: 100%; height: 150px; border: 1px solid var(--border-dim); border-radius: 6px; background: #fff; margin-bottom: 6px; }