:root {
  --bg: #f5f6f8;
  --panel: rgba(255,255,255,.88);
  --panel2: rgba(240,242,246,.88);
  --text: #11131a;
  --muted: #4e5566;
  --border: #dde1ea;
  --shadow: 0 10px 30px rgba(0,0,0,.10);
  --radius: 16px;
  --focus: 0 0 0 3px rgba(120, 150, 255, .25);

  --ok: rgba(80, 200, 140, 1);
  --okSoft: rgba(80, 200, 140, .16);
  --err: rgba(255, 90, 90, 1);
  --errSoft: rgba(255, 90, 90, .16);
}

/* 다크 테마 변수 */
html[data-theme="dark"] {
  --bg: #0f1115;
  --panel: rgba(23,26,33,.82);
  --panel2: rgba(18,20,26,.82);
  --text: #e8eaf0;
  --muted: #a9afbf;
  --border: #2a2f3a;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans KR", sans-serif;
  color: var(--text);

  background-color: var(--bg);
  background-image: url("/assets/images/maltifu.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  background-attachment: fixed;
}

body.modal-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-color: rgba(120, 150, 255, .6);
}
.muted { color: var(--muted); }

/* Header (index/signup 공용) */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(4px);
}
html[data-theme="dark"] .topbar {
  background: rgba(15,17,21,.55);
}

.topbar-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 16px;
  align-items: center;
  padding: 14px 18px;
}

.brand-title { font-size: 18px; font-weight: 800; }
.brand-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }

.topnav {
  display: flex;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.40);
  border-radius: 999px;
}
html[data-theme="dark"] .topnav { background: rgba(255,255,255,.04); }

.topnav-link {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
}
.topnav-link:hover { background: rgba(0,0,0,.05); color: var(--text); }
html[data-theme="dark"] .topnav-link:hover { background: rgba(255,255,255,.06); }

.top-actions { display: flex; gap: 10px; align-items: center; }
.auth-area { display: flex; gap: 8px; align-items: center; }

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
  padding: 18px;
}
.layout-single { grid-template-columns: 1fr !important; }

/* =========================================
   ✅ Left column: 메뉴(상단) + 방문자(하단)
   ========================================= */
.sidebar-stack{
  display: flex;
  flex-direction: column;
  gap: 12px;

  position: sticky;
  top: 78px;
  height: calc(100vh - 78px - 18px);
  min-height: 0;
  align-self: stretch + width: 100%;
}

/* Sidebar (메뉴 카드) */
.sidebar {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;

  position: relative;
  top: auto;

  overflow: auto;
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(2px);
}

/* 방문자 카드(분리용) */
.sidebar-visit{
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  width: 100%
  flex: 0 0 auto;

  backdrop-filter: blur(2px);
}

.sidebar-top {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.sidebar-title { font-weight: 800; }

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

.acc-header {
  width: 100%;
  display: flex;
  font-size: 14px;
  font-weight: 800;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.02);
  color: var(--text);
  border-radius: 12px;
  cursor: pointer;
}
html[data-theme="dark"] .acc-header { background: rgba(255,255,255,.03); }
.acc-header:hover { background: rgba(0,0,0,.04); }
html[data-theme="dark"] .acc-header:hover { background: rgba(255,255,255,.06); }

.acc-body { display: none; padding: 8px 8px 0 8px; }
.acc-body.open { display: block; }

.side-link {
  display: block;
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--muted);
  margin-bottom: 6px;
  border: 1px solid transparent;
}
.side-link:hover {
  color: var(--text);
  background: rgba(0,0,0,.03);
  border-color: rgba(0,0,0,.06);
}
html[data-theme="dark"] .side-link:hover {
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.05);
}
.side-link.active {
  color: var(--text);
  background: rgba(120, 150, 255, .12);
  border-color: rgba(120, 150, 255, .25);
}

/* 방문자 박스 */
.visit-box {
  border: 1px solid var(--border);
  background: var(--panel2);
  border-radius: 12px;
  padding: 10px 12px;
}
.visit-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
}
.visit-label { font-size: 12px; color: var(--muted); font-weight: 700; }
.visit-value { font-size: 16px; font-weight: 900; }

.sidebar-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* =========================================
   ✅ Right column
   ========================================= */
.content {
  min-width: 0;

  display: flex;
  flex-direction: column;
  gap: 16px;

  position: sticky;
  top: 78px;
  height: calc(100vh - 78px - 18px);
  min-height: 0;
  align-self: stretch + width: 100%;
}

/* Panels */
.panel {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  backdrop-filter: blur(2px);
}
.panel h1 { margin: 0 0 10px; font-size: 26px; }
.panel h2 { margin: 0 0 10px; font-size: 20px; }

/* list */
.list { margin: 8px 0 0; padding-left: 18px; }
.list li { margin: 6px 0; }

/* 바로가기 grid */
.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;

  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
}

#home.panel{
  flex: 0 0 auto;
}

/* Contact - 2열 */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 10px;
}
.contact-card {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.10);
  border-radius: 14px;
  padding: 14px;
  backdrop-filter: blur(2px);
}
html[data-theme="dark"] .contact-card { background: rgba(255,255,255,.04); }

.contact-title { font-weight: 800; margin-bottom: 6px; }
.contact-desc { font-size: 13px; margin-bottom: 12px; }
.contact-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ✅ Contact가 layout 밖으로 나갔으니, layout padding과 정렬 맞추기 */
#contact.panel{
  margin: 0 18px 18px;
}

/* Buttons & inputs */
.btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.70);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
}
html[data-theme="dark"] .btn { background: rgba(0,0,0,.20); }
.btn:hover { background: rgba(0,0,0,.05); }
html[data-theme="dark"] .btn:hover { background: rgba(255,255,255,.08); }

.btn-primary {
  background: rgba(120, 150, 255, .20);
  border-color: rgba(120, 150, 255, .35);
}
.btn-primary:hover { background: rgba(120, 150, 255, .28); }
.btn-outline { background: transparent; }

.btn-ghost {
  background: transparent;
  border-color: transparent;
}
.btn-ghost:hover {
  background: rgba(0,0,0,.04);
  border-color: rgba(0,0,0,.08);
}
html[data-theme="dark"] .btn-ghost:hover {
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.10);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);

  background: rgba(255,255,255,.72);
  backdrop-filter: blur(4px);
}
html[data-theme="dark"] .footer {
  background: rgba(15,17,21,.55);
}

/* =========================
   ✅ Modal (로그인용)
   ========================= */
.modal { display: none; position: fixed; inset: 0; z-index: 120; }
.modal.open { display: block; }

.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.55); }

.modal-panel {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(640px, calc(100% - 24px));
  transform: translate(-50%, -50%);
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow);
  padding: 18px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-weight: 900; font-size: 18px; }

.modal-body { padding-top: 10px; }
.msg { margin-top: 10px; font-size: 13px; color: var(--muted); }

.field {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255,255,255,.10);
  margin-bottom: 10px;
}
html[data-theme="dark"] .field { background: rgba(255,255,255,.04); }

.field-label {
  font-weight: 900;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
}

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

.modal-subactions {
  display: flex;
  justify-content: flex-start;
  gap: 8px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed rgba(0,0,0,.10);
}
html[data-theme="dark"] .modal-subactions {
  border-top: 1px dashed rgba(255,255,255,.10);
}

.modal-link {
  padding: 8px 10px;
  border-radius: 10px;
  font-weight: 900;
  color: var(--muted);
}
.modal-link:hover { color: var(--text); }

/* =========================
   Signup (B안)
   ========================= */
.card {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  backdrop-filter: blur(2px);
}

.signup-card {
  width: min(760px, 100%);
  margin: 0 auto;
}

.section-title {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 900;
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-row {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255,255,255,.10);
  padding: 10px 12px;
}
html[data-theme="dark"] .form-row { background: rgba(255,255,255,.04); }

.row-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.row-label {
  color: var(--muted);
  font-weight: 900;
  font-size: 13px;
  white-space: nowrap;
}

.row-status {
  min-height: 18px;
  font-size: 13px;
  font-weight: 900;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: right;
}

.form-controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  min-width: 0;
}

.form-input:disabled {
  opacity: .65;
  cursor: not-allowed;
  filter: grayscale(.15);
}

.primary-btn,
.secondary-btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.70);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 800;
  white-space: nowrap;
}
html[data-theme="dark"] .primary-btn,
html[data-theme="dark"] .secondary-btn { background: rgba(0,0,0,.20); }

.primary-btn {
  width: 100%;
  height: 44px;
  background: rgba(120, 150, 255, .20);
  border-color: rgba(120, 150, 255, .35);
}
.primary-btn:hover { background: rgba(120, 150, 255, .28); }

.secondary-btn { background: transparent; }
.secondary-btn:hover { background: rgba(0,0,0,.05); }
html[data-theme="dark"] .secondary-btn:hover { background: rgba(255,255,255,.08); }

.form-btn { height: 42px; }

/* row 상태 */
.form-row.is-error {
  border-color: rgba(255, 90, 90, .55);
  box-shadow: 0 0 0 3px var(--errSoft);
}
.form-row.is-ok {
  border-color: rgba(80, 200, 140, .55);
  box-shadow: 0 0 0 3px var(--okSoft);
}
.form-row.is-error .form-input { border-color: rgba(255, 90, 90, .75); }
.form-row.is-ok .form-input { border-color: rgba(80, 200, 140, .75); }

.form-row.is-error .row-status { color: var(--err); }
.form-row.is-ok .row-status { color: var(--ok); }

/* password area */
.pw-area { margin-top: 10px; }

.pw-strength { display: flex; flex-direction: column; gap: 8px; }
.pw-strength-bar {
  height: 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.04);
  overflow: hidden;
}
html[data-theme="dark"] .pw-strength-bar { background: rgba(255,255,255,.06); }

.pw-strength-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: rgba(120, 150, 255, .70);
  transition: width .18s ease;
}
.pw-strength-text { font-size: 12px; color: var(--muted); font-weight: 800; }

.pw-help {
  margin-top: 8px;
  font-size: 13px;
  font-weight: 900;
  color: var(--muted);
}
.pw-help.is-error { color: var(--err); }
.pw-help.is-ok { color: var(--ok); }

.hint { margin: 0; font-size: 13px; color: var(--muted); }

/* Responsive */
@media (max-width: 980px) {
  /* ✅ 모바일에서는 레이아웃을 flex로 바꿔서 순서 변경 */
  .layout {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }

  /* ✅ 모바일 순서: 메인(content) -> 메뉴/방문자(stack) */
  .content { order: 1; }
  .sidebar-stack { order: 2; }

  /* ✅ 모바일에서는 sticky/고정 해제 -> 자연 스크롤 */
  .sidebar-stack{
    position: relative;
    top: 0;
    height: auto;
  }
  .sidebar{
    overflow: visible;
    flex: 0 0 auto;
  }
  .content{
    position: relative;
    top: 0;
    height: auto;
  }
  .panel-grid{
    overflow: visible;
    flex: 0 0 auto;
  }

  /* Contact는 layout 밖이므로 여백만 모바일에 맞춤 */
  #contact.panel{
    margin: 0 18px 18px;
  }

  .topbar-inner { grid-template-columns: 1fr auto; }
  .topnav { grid-column: 1 / -1; justify-content: center; }

  .contact-grid { grid-template-columns: 1fr; }
  .panel-grid { grid-template-columns: 1fr; }

  .form-controls { flex-direction: column; align-items: stretch; }
  .form-btn { width: 100%; }
  .row-top { align-items: flex-start; }
  .row-status { text-align: left; }

  .field { grid-template-columns: 1fr; }
  .modal-subactions { justify-content: flex-start; }
}