/* ZFSOLENOID administration shell. Content and interactions remain in admin/. */
:root {
  --brand-green: #8fc547;
  --brand-gray: #5f5d5d;
  --admin-background: #f5f5f7;
  --admin-surface: #fff;
  --admin-text: #1d1d1f;
  --admin-muted: #6e6e73;
  --admin-line: #dedee3;
  --admin-link: #42651f;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, 'Segoe UI', 'Helvetica Neue', Arial, 'Microsoft YaHei', sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
body { margin: 0; font-size: 16px; line-height: 1.65; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
button:disabled { cursor: default; opacity: .5; }
a { color: var(--admin-link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 4px; }
a:focus-visible, button:focus-visible, .admin-topbar h1:focus-visible {
  outline: 2px solid var(--admin-link);
  outline-offset: 5px;
}
[hidden] { display: none !important; }
::selection { background: #d9eabf; color: var(--admin-text); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 48px;
  padding: 10px 23px;
  border: 1px solid transparent;
  border-radius: 22px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  transition: background-color .2s ease, border-color .2s ease;
}
.button-primary { background: var(--brand-green); color: var(--admin-text); }
.button-primary:hover { background: #9bce55; text-decoration: none; }
.button-primary:active { background: #83b73d; }

.admin-body { background: var(--admin-background); color: var(--admin-text); }
.admin-layout { display: grid; grid-template-columns: 244px minmax(0, 1fr); min-height: 100vh; }
.admin-sidebar {
  display: flex;
  flex-direction: column;
  gap: 34px;
  padding: 28px 22px;
  background: var(--admin-surface);
  border-right: 1px solid var(--admin-line);
}
.admin-logo { display: block; width: 195px; max-width: 100%; height: auto; }
.admin-sidebar-label { margin: 12px 0 0; color: var(--admin-muted); font-size: 13px; letter-spacing: .06em; }
.admin-nav { display: grid; gap: 8px; }
.admin-nav button {
  min-height: 48px;
  padding: 13px 15px;
  border: 1px solid transparent;
  border-radius: 16px;
  background: transparent;
  color: var(--admin-muted);
  font-size: 15px;
  text-align: left;
  transition: background-color .2s ease, color .2s ease;
}
.admin-nav button:hover { background: var(--admin-background); color: var(--admin-text); }
.admin-nav button.active { background: #edf5e2; border-color: #d8e7c5; color: var(--admin-link); font-weight: 600; }
.admin-sidebar-bottom { margin-top: auto; color: var(--admin-muted); font-size: 13px; }
.admin-sidebar-bottom a { text-decoration: underline; text-underline-offset: 4px; }

.admin-content { min-width: 0; padding: 32px 44px; }
.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--admin-line);
}
.admin-topbar h1 { margin: 0; font-size: 27px; font-weight: 600; letter-spacing: 0; line-height: 1.3; }
.admin-topbar .button { flex-shrink: 0; min-height: 40px; font-size: 14px; }
.admin-menu-toggle, .admin-mobile-scrim { display: none; }
.admin-panel { padding-top: 34px; }
.admin-panel[hidden] { display: none; }
.admin-welcome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 35px;
  border: 1px solid var(--admin-line);
  border-radius: 22px;
  background: var(--admin-surface);
}
.admin-welcome h2 { margin: 0 0 8px; font-size: 23px; font-weight: 600; letter-spacing: -.025em; line-height: 1.35; }
.admin-welcome p { margin: 0; color: var(--admin-muted); font-size: 15px; }
.admin-badge { flex-shrink: 0; padding: 6px 12px; border-radius: 16px; background: #edf5e2; color: var(--admin-link); font-size: 13px; white-space: nowrap; }
.admin-section-title { margin: 32px 0 15px; font-size: 17px; font-weight: 600; letter-spacing: -.015em; line-height: 1.4; }
.admin-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.admin-card { min-width: 0; padding: 25px; border: 1px solid var(--admin-line); border-radius: 22px; background: var(--admin-surface); }
.admin-card h3 { margin: 0 0 13px; font-size: 17px; font-weight: 600; letter-spacing: -.02em; line-height: 1.4; }
.admin-card p { margin: 0 0 22px; color: var(--admin-muted); font-size: 14px; line-height: 1.65; }
.admin-card a { color: var(--admin-link); font-size: 14px; text-decoration: underline; text-underline-offset: 4px; }
.admin-note { margin: 28px 0 0; color: var(--admin-muted); font-size: 14px; line-height: 1.65; }

.admin-region-list { display: grid; gap: 15px; }
.admin-region {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 25px;
  border: 1px solid var(--admin-line);
  border-radius: 18px;
  background: var(--admin-surface);
}
.admin-region > div { min-width: 0; }
.admin-region h3 { margin: 0 0 4px; font-size: 16px; font-weight: 600; letter-spacing: -.015em; line-height: 1.4; }
.admin-region p { margin: 0; color: var(--admin-muted); font-size: 14px; line-height: 1.65; overflow-wrap: anywhere; }
.admin-region > span { flex-shrink: 0; color: var(--admin-link); font-size: 13px; white-space: nowrap; }
.admin-swatch { display: inline-block; width: 14px; height: 14px; margin-right: 8px; border-radius: 4px; background: var(--brand-green); vertical-align: middle; }
.admin-preview-frame { margin-top: 25px; padding: 20px; border: 1px solid var(--admin-line); border-radius: 18px; background: var(--admin-surface); }
.admin-preview-frame img { display: block; width: 230px; max-width: 100%; height: auto; }

/* Match the existing admin.js mobile breakpoint and menu-open state. */
@media (max-width: 820px) {
  .admin-layout { grid-template-columns: minmax(0, 1fr); }
  .admin-sidebar {
    position: fixed;
    z-index: 30;
    inset: 0 auto 0 0;
    width: 244px;
    max-width: calc(100vw - 48px);
    height: 100dvh;
    overflow-y: auto;
    overscroll-behavior: contain;
    transform: translateX(-100%);
    transition: transform .2s ease;
  }
  .admin-body.menu-open .admin-sidebar { transform: none; }
  .admin-body.menu-open .admin-mobile-scrim {
    display: block;
    position: fixed;
    z-index: 25;
    inset: 0;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    background: rgba(29, 29, 31, .24);
    backdrop-filter: blur(3px);
  }
  .admin-content { padding: 24px; }
  .admin-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    margin-bottom: 20px;
    padding: 8px 12px;
    border: 1px solid var(--admin-line);
    border-radius: 16px;
    background: var(--admin-surface);
    color: var(--admin-link);
    font-size: 14px;
  }
  .admin-topbar { gap: 12px; }
  .admin-topbar h1 { font-size: 23px; }
  .admin-topbar .button { padding: 8px 13px; font-size: 13px; }
  .admin-cards { grid-template-columns: minmax(0, 1fr); }
  .admin-welcome { align-items: flex-start; flex-direction: column; gap: 15px; padding: 25px; }
  .admin-region { align-items: flex-start; padding: 19px; }
  .admin-region > span { white-space: normal; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}