/* =========================================================
   BUTTONS
   ========================================================= */
.btn{
  padding:14px 28px;border-radius:30px;font-weight:600;font-size:14px;
  display:inline-flex;align-items:center;gap:8px;transition:all var(--t);
  cursor:pointer;border:1px solid transparent;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 12px 30px rgba(122,31,43,.45)}
.btn-ghost-light{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.18);backdrop-filter:blur(10px)}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3)}
.btn-outline{background:transparent;color:var(--text);border-color:var(--line)}
.btn-outline:hover{border-color:var(--ink);background:var(--bg-soft)}
.btn-block{width:100%;justify-content:center;padding:14px}

.btn-sm{padding:8px 14px;font-size:12.5px;border-radius:6px;font-weight:600;transition:var(--t);cursor:pointer;border:1px solid transparent}
.btn-sm-primary{background:var(--ink);color:#fff}
.btn-sm-primary:hover{background:var(--brand)}
.btn-sm-ghost{background:#fff;color:var(--text);border-color:var(--line)}
.btn-sm-ghost:hover{border-color:var(--ink)}
.btn-link{font-size:12px;color:var(--brand);font-weight:600;padding:4px 8px;border-radius:4px;transition:var(--t)}
.btn-link:hover{background:var(--brand-soft)}

/* =========================================================
   FORMS
   ========================================================= */
.fg{margin-bottom:18px}
.fg label{display:block;font-size:12.5px;font-weight:600;margin-bottom:8px;color:var(--text);letter-spacing:.01em}
.fg label .hint{color:var(--text-3);font-weight:400;margin-left:4px}
.fg input,.fg select,.fg textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:8px;
  font-size:14px;background:#fff;transition:all var(--t);
}
.fg input:focus,.fg select:focus,.fg textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,31,43,.08);
}
.form-link{text-align:center;font-size:13px;margin-top:18px;color:var(--text-3)}
.form-link a{color:var(--brand);font-weight:600}
.checkbox-line{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--text-2);margin:18px 0;line-height:1.6}
.checkbox-line input{margin-top:3px;flex-shrink:0;accent-color:var(--brand)}

/* =========================================================
   MODAL
   ========================================================= */
.modal-bg{
  position:fixed;inset:0;background:rgba(10,10,10,.6);
  display:none;align-items:center;justify-content:center;z-index:1000;
  padding:20px;backdrop-filter:blur(8px);
}
.modal-bg.show{display:flex;animation:fadeIn .25s}
.modal{
  background:#fff;border-radius:var(--radius-lg);max-width:480px;width:100%;
  padding:42px;position:relative;animation:popIn .3s cubic-bezier(.16,1,.3,1);
  box-shadow:var(--shadow-lg);
  /* 화면보다 모달이 길면 스크롤 (전문가 회원 등 긴 폼 대응) */
  max-height:calc(100vh - 40px);
  overflow-y:auto;
}
.modal-lg{max-width:780px;max-height:90vh;overflow-y:auto}
.modal-close{
  position:absolute;top:18px;right:18px;width:34px;height:34px;border-radius:50%;
  background:var(--bg-soft);display:flex;align-items:center;justify-content:center;
  color:var(--text-2);transition:var(--t);font-size:14px;
}
.modal-close:hover{background:var(--ink);color:#fff;transform:rotate(90deg)}
.modal h2{font-family:'Noto Serif KR',serif;font-size:24px;margin-bottom:6px;font-weight:600}
.modal-sub{color:var(--text-3);font-size:13px;margin-bottom:28px}

/* Donate amounts / pay methods */
.donate-step{display:none}
.donate-step.active{display:block}
.amt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.amt{padding:14px;border:1.5px solid var(--line);border-radius:8px;font-weight:600;cursor:pointer;transition:var(--t);background:#fff;font-size:13.5px}
.amt:hover{border-color:var(--text-2)}
.amt.on{border-color:var(--brand);background:var(--brand);color:#fff}
.pay-radio{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:6px}
.pay-radio label{padding:13px;border:1.5px solid var(--line);border-radius:8px;text-align:center;cursor:pointer;font-size:13px;font-weight:600;transition:var(--t)}
.pay-radio input{display:none}
.pay-radio input:checked + label{border-color:var(--brand);background:var(--brand);color:#fff}

/* =========================================================
   TABLES
   ========================================================= */
table.tbl{width:100%;border-collapse:collapse;font-size:13px}
table.tbl th{
  text-align:left;padding:11px 12px;background:var(--bg-soft);font-weight:600;
  color:var(--text-2);border-bottom:1px solid var(--line);font-size:12px;
}
table.tbl td{padding:13px 12px;border-bottom:1px solid var(--line-soft);color:var(--text)}
table.tbl tr:hover td{background:var(--bg-soft)}
table.tbl tr:last-child td{border-bottom:none}

/* =========================================================
   BADGES & TAGS
   ========================================================= */
.badge{display:inline-block;padding:3px 10px;border-radius:30px;font-size:11px;font-weight:600;font-family:'Inter';letter-spacing:.02em}
.b-success{background:#e8f5ed;color:var(--success)}
.b-warn{background:#fff4e0;color:var(--warn)}
.b-danger{background:#fde7ea;color:var(--danger)}
.b-info{background:#e6f0ff;color:var(--info)}
.b-mute{background:var(--bg-mute);color:var(--text-2)}

.tag{
  font-size:11px;font-weight:600;padding:4px 10px;border-radius:3px;
  min-width:62px;text-align:center;flex-shrink:0;
}
.tag-pri{background:var(--brand);color:#fff}
.tag-sec{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.tag-mute{background:var(--bg-mute);color:var(--text-2)}

/* =========================================================
   PAGE HERO & BREADCRUMB (서브페이지 공통 헤더)
   ========================================================= */
.page-hero{
  background:#0a0a0a;color:#fff;padding:90px 0 70px;text-align:center;
  background-image:
    radial-gradient(ellipse 600px 400px at 50% 0%,rgba(122,31,43,.25),transparent 60%),
    linear-gradient(180deg,#0a0a0a,#141414);
}
.page-hero h1{font-family:'Noto Serif KR',serif;font-size:38px;margin-bottom:12px;font-weight:600;letter-spacing:-.025em}
.page-hero p{color:#999;font-size:14.5px}
.breadcrumb{padding:18px 0;font-size:12.5px;color:var(--text-3);border-bottom:1px solid var(--line);font-family:'Inter'}
.breadcrumb a:hover{color:var(--brand)}

/* =========================================================
   TOAST
   ========================================================= */
.toast{
  position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;padding:13px 24px;border-radius:30px;font-size:13.5px;
  opacity:0;transition:all var(--t);z-index:2000;pointer-events:none;
  box-shadow:0 10px 30px rgba(0,0,0,.3);font-weight:500;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
/* =========================================
   채팅 이미지 + 라이트박스 (STEP H-1)
   ========================================= */

/* 메시지 내 이미지 썸네일 */
.chat-msg-image {
  max-width: 240px;
  max-height: 240px;
  border-radius: 10px;
  cursor: zoom-in;
  display: block;
  margin-top: 4px;
  object-fit: cover;
  background: #f1f5f9;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.chat-msg-image:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* 라이트박스 오버레이 */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: lightbox-fade 0.18s ease-out;
}
@keyframes lightbox-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.lightbox-img {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  object-fit: contain;
  background: #111;
}

/* 컨트롤 버튼 (닫기 / 다운로드) */
.lightbox-controls {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 10px;
  z-index: 10000;
}
.lightbox-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, transform 0.15s ease;
  backdrop-filter: blur(6px);
}
.lightbox-btn:hover {
  background: rgba(255, 255, 255, 0.28);
  transform: scale(1.08);
}
.lightbox-btn:focus {
  outline: 2px solid #60a5fa;
  outline-offset: 2px;
}

/* 다운로드 진행 표시 */
.lightbox-btn.is-loading {
  pointer-events: none;
  opacity: 0.6;
}

/* 모바일 대응 */
@media (max-width: 640px) {
  .chat-msg-image { max-width: 180px; max-height: 180px; }
  .lightbox-controls { top: 12px; right: 12px; }
  .lightbox-btn { width: 40px; height: 40px; font-size: 16px; }
}