:root {
  --bg: #f6f1e8;
  --bg-accent: #e8dcca;
  --panel: rgba(255, 250, 243, 0.94);
  --panel-strong: #fffdf9;
  --line: #d9cab5;
  --line-strong: #c9b393;
  --text: #211a14;
  --muted: #6f6254;
  --accent: #8d5633;
  --accent-strong: #6f3e21;
  --accent-soft: #efe0cf;
  --success-bg: #edf8f0;
  --success-text: #23623b;
  --error-bg: #fff2ef;
  --error-text: #8e3020;
  --warning-bg: #fff9ef;
  --info-bg: #eef6fa;
  --shadow: 0 16px 40px rgba(77, 50, 23, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans KR", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.7), transparent 32%),
    linear-gradient(180deg, #f8f3eb 0%, #efe5d7 48%, #f5efe6 100%);
}

button,
input,
textarea {
  font: inherit;
}

.page {
  max-width: 1480px;
  margin: 0 auto;
  padding: 28px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 22px;
  padding: 22px 24px;
  border: 1px solid rgba(201, 179, 147, 0.45);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 250, 243, 0.96), rgba(246, 235, 219, 0.92)),
    radial-gradient(circle at top right, rgba(162, 111, 67, 0.12), transparent 36%);
  box-shadow: var(--shadow);
}

.eyebrow,
.panel-kicker {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(111, 62, 33, 0.08);
  color: var(--accent-strong);
  font-weight: 700;
  white-space: nowrap;
}

.layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.sidebar,
.content,
.result-shell {
  display: grid;
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(217, 202, 181, 0.82);
  border-radius: 20px;
  padding: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.panel-header,
.auth-panel-header,
.card-header,
.warning-head,
.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
}

.panel h2,
.auth-panel h2 {
  margin: 0 0 6px;
}

.panel p,
.auth-panel p {
  line-height: 1.55;
}

.auth-panel {
  position: sticky;
  top: 18px;
  overflow: hidden;
}

.auth-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, #c99668, #8d5633);
}

.auth-panel-signed-in {
  background:
    linear-gradient(180deg, rgba(242, 249, 243, 0.96), rgba(255, 253, 249, 0.96));
}

.auth-panel-signed-out {
  background:
    linear-gradient(180deg, rgba(255, 248, 240, 0.97), rgba(255, 253, 249, 0.95));
}

.auth-top-meta,
.auth-checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.auth-meta-card,
.auth-checklist div,
.signed-in-card {
  border: 1px solid rgba(201, 179, 147, 0.55);
  border-radius: 16px;
  background: rgba(255, 253, 249, 0.88);
}

.auth-meta-card {
  padding: 12px;
}

.auth-meta-card span,
.auth-checklist strong {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.auth-meta-card strong,
.auth-checklist span {
  display: block;
  margin-top: 6px;
  word-break: break-word;
}

.auth-mode-switch {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding: 6px;
  border-radius: 16px;
  background: rgba(141, 86, 51, 0.08);
  margin-bottom: 14px;
}

.auth-mode-switch button,
.firebase-actions button,
.form-panel button {
  width: 100%;
  border: none;
  cursor: pointer;
  transition: transform 0.16s ease, opacity 0.16s ease, background 0.16s ease;
}

.auth-mode-switch button {
  padding: 10px 12px;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}

.auth-mode-switch .mode-active {
  background: #fffdf9;
  color: var(--accent-strong);
  box-shadow: 0 6px 18px rgba(77, 50, 23, 0.08);
}

.firebase-auth-form,
.form-panel {
  display: grid;
  gap: 12px;
}

.form-panel label,
.firebase-auth-form label {
  display: grid;
  gap: 6px;
  font-size: 0.95rem;
}

.form-panel input,
.form-panel textarea,
.firebase-auth-form input {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid rgba(201, 179, 147, 0.8);
  border-radius: 14px;
  background: rgba(255, 253, 249, 0.92);
  color: var(--text);
}

.form-panel textarea {
  min-height: 92px;
  resize: vertical;
}

.firebase-actions,
.auth-inline-status {
  display: grid;
  gap: 8px;
}

.firebase-actions button,
.form-panel button {
  padding: 12px 14px;
  border-radius: 14px;
  background: linear-gradient(180deg, #9a603b 0%, #7e4927 100%);
  color: white;
  font-weight: 700;
}

.firebase-actions button:hover,
.form-panel button:hover,
.auth-mode-switch button:hover {
  transform: translateY(-1px);
}

.firebase-actions button[disabled],
.form-panel button[disabled],
.auth-mode-switch button[disabled] {
  opacity: 0.6;
  cursor: default;
  transform: none;
}

.secondary-button {
  background: linear-gradient(180deg, #f0e1cf 0%, #e4d1b9 100%) !important;
  color: var(--text) !important;
}

.auth-inline-status {
  grid-template-columns: 1fr;
  color: var(--muted);
  font-size: 0.86rem;
}

.notice-box {
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
  line-height: 1.45;
}

.notice-box-error {
  background: var(--error-bg);
  color: var(--error-text);
  border-color: #ebbeae;
}

.notice-box-success {
  background: var(--success-bg);
  color: var(--success-text);
  border-color: #c7e7cf;
}

.signed-in-card {
  padding: 16px;
  margin-bottom: 14px;
}

.signed-in-badge {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(35, 98, 59, 0.09);
  color: var(--success-text);
  font-size: 0.82rem;
  font-weight: 700;
}

.signed-in-user {
  display: grid;
  gap: 2px;
  margin: 14px 0;
}

.auth-user-kv {
  margin-bottom: 14px;
}

.auth-checklist {
  margin-top: 14px;
}

.auth-checklist div {
  padding: 12px;
}

.auth-note {
  margin: 12px 0 0;
}

.status-pill,
.status,
.chips li,
.warning-badges span,
.inline-caution span {
  display: inline-flex;
  padding: 5px 9px;
  border-radius: 999px;
  background: #f0e2d2;
  color: var(--text);
  font-size: 0.82rem;
  margin: 2px 4px 2px 0;
}

.status-ready {
  background: #e6f6ea;
  color: #1e6037;
}

.status-misconfigured {
  background: #fff1ec;
  color: #973d28;
}

.status-disabled {
  background: #efe2d0;
  color: #5f4a36;
}

.check {
  display: flex !important;
  align-items: center;
  gap: 8px;
}

.check input {
  width: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.card,
.detail-card,
.report-section {
  border: 1px solid rgba(217, 202, 181, 0.88);
  border-radius: 14px;
  padding: 13px;
  background: #fffaf3;
}

.subtle {
  color: var(--muted);
}

.warning-panel {
  border-color: #e6cdbd;
  background: linear-gradient(180deg, #fffaf1 0%, #fff7f1 100%);
}

.warning-item {
  border-top: 1px solid #ecd8cb;
  padding-top: 8px;
  margin-top: 8px;
}

.warning-item:first-child {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.severity-info strong {
  color: #2b6881;
}

.severity-caution strong,
.severity-warning strong {
  color: #a24a2d;
}

.kv {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px 16px;
  margin: 0;
}

.kv div {
  background: #faf4ea;
  border-radius: 12px;
  padding: 9px 11px;
}

.kv dt {
  color: var(--muted);
  font-size: 0.82rem;
}

.kv dd {
  margin: 4px 0 0;
  word-break: break-word;
}

.detail-grid,
.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.detail-grid pre,
.report-block pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: #f7f1e7;
  padding: 10px;
  border-radius: 10px;
  overflow: auto;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 10px 8px;
  vertical-align: top;
}

.error-panel {
  color: var(--error-text);
  background: var(--error-bg);
  border-color: #e4b2a9;
}

.empty-state {
  min-height: 220px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
}

.skeleton-line {
  height: 14px;
  background: linear-gradient(90deg, #e8dccb 25%, #f7efe4 50%, #e8dccb 75%);
  border-radius: 999px;
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  margin-bottom: 10px;
}

.w-80 { width: 80%; }
.w-60 { width: 60%; }
.w-90 { width: 90%; }

@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

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

  .auth-panel {
    position: static;
  }
}

@media (max-width: 720px) {
  .page {
    padding: 16px;
  }

  .hero {
    padding: 18px;
    border-radius: 20px;
    flex-direction: column;
    align-items: start;
  }

  .auth-top-meta,
  .auth-checklist {
    grid-template-columns: 1fr;
  }
}