:root {
  color-scheme: light;
  --bg: #edf2f9;
  --surface: #ffffff;
  --surface-soft: #f3f6fb;
  --line: #d8e1ee;
  --text: #17233d;
  --muted: #68758e;
  --blue: #315bd8;
  --blue-dark: #2449b7;
  --blue-soft: #e9efff;
  --green: #078963;
  --red: #c33e50;
  --shadow: 0 18px 48px rgba(38, 58, 101, .13);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { min-width: 320px; background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: 0;
}

button, input, select { font: inherit; letter-spacing: 0; }
button { cursor: pointer; }
button:disabled { cursor: wait; opacity: .65; }

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .96);
}

.admin-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-size: 19px;
  font-weight: 760;
  text-decoration: none;
}

.admin-brand b { color: var(--blue); }

.admin-brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 7px;
  background: var(--blue);
  box-shadow: 0 7px 16px rgba(49, 91, 216, .24);
}

.admin-brand-mark::before,
.admin-brand-mark::after {
  content: "";
  position: absolute;
  top: 11px;
  width: 18px;
  height: 2px;
  background: #fff;
}

.admin-brand-mark::before { left: 4px; transform: rotate(35deg); }
.admin-brand-mark::after { right: 4px; transform: rotate(-35deg); }
.admin-brand-mark span { width: 26px; height: 20px; border: 2px solid #fff; border-radius: 4px; }

.secure-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.secure-status i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(7, 137, 99, .12);
}

.admin-shell {
  width: min(1120px, calc(100% - 40px));
  min-height: calc(100vh - 68px);
  margin: 0 auto;
  padding: 64px 0;
}

.auth-card {
  width: min(480px, 100%);
  margin: 0 auto;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.status-card { text-align: center; }
.status-card h1 { margin: 18px 0 0; font-size: 20px; }

.loading-ring {
  display: inline-block;
  width: 36px;
  height: 36px;
  border: 3px solid var(--blue-soft);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: admin-spin .8s linear infinite;
}

@keyframes admin-spin { to { transform: rotate(360deg); } }

.auth-heading { margin-bottom: 28px; }
.auth-heading h1, .dashboard-header h1 { margin: 8px 0 0; font-size: 28px; line-height: 1.2; }

.step-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 11px;
  border-radius: 6px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 760;
  text-transform: uppercase;
}

.admin-form { display: grid; gap: 10px; }
.admin-form label { margin-top: 5px; color: #46546e; font-size: 12px; font-weight: 750; text-transform: uppercase; }

.admin-form input,
.admin-form select {
  width: 100%;
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 7px;
  outline: none;
  background: var(--surface-soft);
  color: var(--text);
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}

.admin-form input:focus,
.admin-form select:focus {
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(49, 91, 216, .12);
}

.password-field { position: relative; }
.password-field input { padding-right: 66px; }
.password-field button {
  position: absolute;
  top: 50%;
  right: 8px;
  min-width: 48px;
  padding: 6px;
  border: 0;
  transform: translateY(-50%);
  background: transparent;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
}

.password-rule { margin: 3px 0 5px; color: var(--muted); font-size: 12px; }
.form-message { margin: 4px 0; padding: 10px 12px; border-radius: 6px; font-size: 13px; }
.error-message { border: 1px solid #f1c7ce; background: #fff1f3; color: var(--red); }

.primary-action,
.secondary-action {
  min-height: 46px;
  border-radius: 7px;
  font-weight: 750;
}

.primary-action {
  margin-top: 10px;
  border: 1px solid var(--blue);
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 20px rgba(49, 91, 216, .2);
}

.primary-action:hover { background: var(--blue-dark); }
.secondary-action { padding: 0 16px; border: 1px solid var(--line); background: var(--surface); color: var(--blue-dark); }
.secondary-action:hover { border-color: #aebddd; background: var(--blue-soft); }
.panel-action { min-height: 40px; margin: 0; padding: 0 15px; }

.session-policy {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.dashboard { display: grid; gap: 24px; }
.dashboard-header, .activity-panel, .user-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.dashboard-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 28px; }
.dashboard-header p { margin: 7px 0 0; color: var(--muted); }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.metric-grid article { min-height: 126px; padding: 22px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); box-shadow: 0 10px 28px rgba(38, 58, 101, .08); }
.metric-grid span { display: block; color: var(--muted); font-size: 12px; font-weight: 740; text-transform: uppercase; }
.metric-grid strong { display: block; margin-top: 18px; color: var(--blue-dark); font-size: 30px; }

.activity-panel, .user-panel { padding: 26px; }
.panel-title { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.panel-title h2 { margin: 0; font-size: 19px; }
.panel-title p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.user-list { display: grid; gap: 12px; }
.user-row { display: grid; gap: 14px; padding: 16px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface-soft); }
.user-row header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.user-row header > div:first-child { display: grid; gap: 3px; min-width: 0; }
.user-row header strong, .user-row header span { overflow-wrap: anywhere; }
.user-row header span { color: var(--muted); font-size: 12px; }
.user-badges { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.user-badges span { display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border: 1px solid #b9e5d5; border-radius: 5px; background: #e4f7f0; color: var(--green) !important; font-size: 10px !important; font-weight: 750; text-transform: uppercase; white-space: nowrap; }
.user-badges .is-locked { border-color: #f1c7ce; background: #fff1f3; color: var(--red) !important; }
.user-badges .is-pending { border-color: #ead79d; background: #fff8df; color: #846710 !important; }
.user-permissions { display: flex; flex-wrap: wrap; gap: 6px; }
.user-permissions span { display: inline-flex; align-items: center; min-height: 25px; padding: 0 8px; border: 1px solid #cdd8f8; border-radius: 5px; background: var(--blue-soft); color: var(--blue); font-size: 10px; font-weight: 700; }
.user-permissions .no-permission { border-color: var(--line); background: var(--surface); color: var(--muted); }
.user-actions { display: flex; flex-wrap: wrap; gap: 7px; padding-top: 2px; }
.user-action { min-height: 34px; padding: 0 11px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--blue-dark); font-size: 11px; font-weight: 720; }
.user-action:hover { border-color: #aebddd; background: var(--blue-soft); }
.user-action.danger { border-color: #efb6bf; color: var(--red); }
.user-action.danger:hover { background: #fff1f3; }
.user-row dl { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 0; }
.user-row dl > div { min-width: 0; padding: 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); }
.user-row dt { color: var(--muted); font-size: 9px; font-weight: 720; text-transform: uppercase; }
.user-row dd { margin: 4px 0 0; font-size: 12px; overflow-wrap: anywhere; }
.activity-list { overflow: hidden; border: 1px solid var(--line); border-radius: 7px; }
.activity-row { display: flex; justify-content: space-between; gap: 20px; padding: 13px 15px; background: var(--surface); }
.activity-row + .activity-row { border-top: 1px solid var(--line); }
.activity-row strong { font-size: 13px; }
.activity-row time { color: var(--muted); font-size: 12px; white-space: nowrap; }
.empty-activity { padding: 22px; color: var(--muted); text-align: center; }

.admin-dialog { width: min(680px, calc(100% - 28px)); max-height: calc(100vh - 40px); padding: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); box-shadow: 0 28px 80px rgba(23, 35, 61, .28); }
.admin-dialog::backdrop { background: rgba(23, 35, 61, .42); backdrop-filter: blur(3px); }
.admin-dialog .admin-form { max-height: calc(100vh - 42px); overflow: auto; padding: 26px; }
.compact-dialog { width: min(520px, calc(100% - 28px)); }
.dialog-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.dialog-header h2 { margin: 7px 0 0; font-size: 23px; }
.dialog-close { width: 36px; height: 36px; border: 0; border-radius: 6px; background: var(--surface-soft); color: var(--muted); font-size: 23px; line-height: 1; }
.form-group { display: grid; gap: 10px; }
.form-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.form-columns > div { display: grid; gap: 10px; }
.permission-fieldset { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px 14px; margin: 8px 0 0; padding: 15px; border: 1px solid var(--line); border-radius: 7px; }
.permission-fieldset legend { padding: 0 6px; color: var(--muted); font-size: 11px; font-weight: 750; text-transform: uppercase; }
.permission-fieldset label { display: flex; align-items: center; gap: 8px; margin: 0; color: var(--text); font-size: 12px; text-transform: none; }
.permission-fieldset input[type="checkbox"] { width: 16px; min-height: 16px; margin: 0; }
.api-limit-fieldset { grid-template-columns: 1fr; gap: 12px; }
.api-limit-fieldset .form-columns { width: 100%; }
.api-limit-fieldset input[type="number"] {
  width: 100%;
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid #aebddd;
  background: #fff;
  color: #17233d;
  font-size: 16px;
  font-weight: 700;
  opacity: 1;
}
.api-limit-fieldset input[type="number"]::placeholder { color: #8793aa; opacity: 1; }
.api-limit-fieldset input[type="number"]:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(49, 91, 216, .14);
}
.api-limit-fieldset .input-hint { margin-top: -5px; color: var(--muted); font-size: 11px; }
.api-limit-fieldset .password-rule { margin: 0; }
.api-limit-fieldset .password-rule strong { color: var(--blue-dark); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 10px; }
.dialog-actions .primary-action, .dialog-actions .secondary-action { margin: 0; padding: 0 16px; }
.dialog-note { margin: 0 0 4px; color: var(--muted); font-size: 13px; }

@media (max-width: 820px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .user-row dl { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .admin-topbar { min-height: 62px; padding: 0 16px; }
  .admin-brand { font-size: 17px; }
  .admin-brand-mark { width: 34px; height: 34px; }
  .secure-status { font-size: 0; }
  .admin-shell { width: min(100% - 24px, 1120px); min-height: calc(100vh - 62px); padding: 24px 0; }
  .auth-card { padding: 24px 20px; }
  .auth-heading h1, .dashboard-header h1 { font-size: 24px; }
  .session-policy { flex-direction: column; gap: 5px; }
  .dashboard-header { align-items: flex-start; flex-direction: column; padding: 22px; }
  .dashboard-header .secondary-action { width: 100%; }
  .metric-grid { grid-template-columns: 1fr; gap: 12px; }
  .metric-grid article { min-height: 104px; }
  .activity-panel, .user-panel { padding: 18px; }
  .panel-title { align-items: stretch; flex-direction: column; }
  .user-row header { flex-direction: column; }
  .user-badges { justify-content: flex-start; }
  .user-row dl { grid-template-columns: 1fr; }
  .form-columns, .permission-fieldset { grid-template-columns: 1fr; }
  .dialog-actions { flex-direction: column-reverse; }
  .dialog-actions button { width: 100%; }
  .activity-row { align-items: flex-start; flex-direction: column; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation-duration: .01ms !important; }
}