:root {
  --admin-bg: #eff4ee;
  --admin-surface: rgba(255, 255, 255, 0.82);
  --admin-surface-strong: #ffffff;
  --admin-ink: #11201d;
  --admin-muted: #5e6c66;
  --admin-line: rgba(17, 32, 29, 0.1);
  --admin-mint: #1b9e86;
  --admin-mint-soft: rgba(127, 216, 189, 0.18);
  --admin-accent: #ff7a53;
  --admin-shadow: 0 24px 56px rgba(17, 32, 29, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: "Segoe UI Variable Display", "PingFang SC", "Microsoft YaHei",
    sans-serif;
  color: var(--admin-ink);
  background:
    radial-gradient(circle at top left, rgba(127, 216, 189, 0.3), transparent 22%),
    linear-gradient(180deg, #f7faf6 0%, #edf2ed 100%);
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.admin-shell {
  width: min(calc(100% - 40px), 1320px);
  margin: 0 auto;
  padding: 28px 0 56px;
}

.admin-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.admin-kicker {
  margin: 0 0 10px;
  color: var(--admin-mint);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.admin-header h1,
.panel-intro h2,
.panel-header h2 {
  margin: 0;
  font-family: "Bahnschrift", "Segoe UI Variable Display", sans-serif;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.admin-header h1 {
  font-size: clamp(2.2rem, 4vw, 4rem);
  max-width: 10ch;
}

.admin-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.ghost-link,
.ghost-button,
.primary-button,
.panel-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.ghost-link,
.ghost-button,
.panel-link {
  padding: 12px 18px;
  border: 1px solid var(--admin-line);
  background: rgba(255, 255, 255, 0.82);
}

.primary-button {
  padding: 13px 22px;
  border: 0;
  background: linear-gradient(135deg, var(--admin-accent), #ff915d);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 18px 34px rgba(255, 122, 83, 0.2);
}

.ghost-button {
  cursor: pointer;
}

.ghost-link:hover,
.ghost-button:hover,
.primary-button:hover,
.panel-link:hover {
  transform: translateY(-1px);
}

.auth-panel,
.admin-panel,
.overview-card {
  border: 1px solid var(--admin-line);
  border-radius: 30px;
  background: var(--admin-surface);
  backdrop-filter: blur(16px);
  box-shadow: var(--admin-shadow);
}

.auth-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: 22px;
  padding: 28px;
}

.panel-intro p {
  max-width: 62ch;
  color: var(--admin-muted);
  line-height: 1.8;
}

.auth-form,
.admin-form {
  display: grid;
  gap: 14px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
}

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

.admin-field span {
  font-size: 0.92rem;
  font-weight: 700;
}

.admin-field input,
.admin-field select,
.admin-field textarea {
  width: 100%;
  border: 1px solid var(--admin-line);
  border-radius: 16px;
  background: #fff;
  color: var(--admin-ink);
  padding: 13px 15px;
  outline: none;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.admin-field input:focus,
.admin-field select:focus,
.admin-field textarea:focus {
  border-color: rgba(27, 158, 134, 0.38);
  box-shadow: 0 0 0 4px rgba(127, 216, 189, 0.18);
}

.auth-status {
  margin: 0;
  color: var(--admin-muted);
  line-height: 1.7;
}

.auth-status[data-state="success"] {
  color: var(--admin-mint);
}

.auth-status[data-state="error"] {
  color: #b14b2a;
}

.dashboard {
  display: grid;
  gap: 22px;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.overview-card {
  padding: 20px;
}

.overview-card span {
  display: block;
  color: var(--admin-muted);
  font-size: 0.86rem;
}

.overview-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.6rem;
  line-height: 1.1;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr) minmax(340px, 0.85fr);
  gap: 20px;
  align-items: start;
}

.admin-panel {
  padding: 24px;
}

.admin-panel-wide {
  min-width: 0;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.panel-header h2 {
  font-size: 1.6rem;
}

.inquiry-list,
.stack-list {
  display: grid;
  gap: 14px;
}

.inquiry-card,
.stack-card {
  padding: 18px;
  border: 1px solid var(--admin-line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.76);
}

.inquiry-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.inquiry-top h3,
.stack-card h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.25;
}

.meta-line,
.stack-card p {
  margin: 10px 0 0;
  color: var(--admin-muted);
  line-height: 1.7;
}

.inquiry-tags,
.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.inquiry-tags span,
.stack-tags span,
.status-badge {
  display: inline-flex;
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--admin-mint-soft);
  color: var(--admin-mint);
  font-size: 0.8rem;
  font-weight: 700;
}

.status-badge.status-new {
  background: rgba(255, 122, 83, 0.16);
  color: #c4552f;
}

.status-badge.status-contacted {
  background: rgba(255, 207, 124, 0.22);
  color: #875b10;
}

.status-badge.status-won {
  background: rgba(127, 216, 189, 0.2);
  color: var(--admin-mint);
}

.status-badge.status-archived {
  background: rgba(17, 32, 29, 0.08);
  color: var(--admin-muted);
}

.inquiry-grid,
.admin-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.inline-field {
  display: grid;
  gap: 8px;
}

.inline-field label {
  color: var(--admin-muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.inline-field select,
.inline-field textarea {
  width: 100%;
  border: 1px solid var(--admin-line);
  border-radius: 14px;
  background: #fff;
  padding: 11px 13px;
  outline: none;
}

.inquiry-actions,
.admin-form-actions,
.stack-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 14px;
  border: 1px solid var(--admin-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  cursor: pointer;
}

.admin-switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(17, 32, 29, 0.05);
}

.admin-switch input {
  width: 18px;
  height: 18px;
}

.inline-switch {
  align-self: end;
  min-height: 51px;
}

.empty-state {
  padding: 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--admin-muted);
  line-height: 1.8;
  text-align: center;
}

.admin-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(12px);
  z-index: 30;
  padding: 13px 18px;
  border-radius: 999px;
  background: rgba(17, 32, 29, 0.92);
  color: #fff;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.admin-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 1240px) {
  .overview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .admin-shell {
    width: min(calc(100% - 24px), 1320px);
  }

  .admin-header,
  .panel-header,
  .auth-panel,
  .inquiry-top,
  .lead-form-actions {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .overview-grid,
  .inquiry-grid,
  .admin-form-grid {
    grid-template-columns: 1fr;
  }

  .overview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 540px) {
  .overview-grid {
    grid-template-columns: 1fr;
  }
}