:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --line: #d7dee5;
  --text: #18232b;
  --muted: #667581;
  --accent: #147a70;
  --accent-dark: #0d5c55;
  --blue: #255a94;
  --warn: #946b18;
  --danger: #b33a3a;
  --danger-dark: #8f2929;
  --soft-green: #e6f4ef;
  --soft-blue: #e8f1fb;
  --soft-red: #fae9e9;
  --shadow: rgba(20, 33, 39, 0.05);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: 28px;
  margin-bottom: 4px;
}

h2 {
  font-size: 18px;
  margin-bottom: 0;
}

button,
input {
  font: inherit;
}

button {
  background: var(--accent);
  border: 0;
  border-radius: 6px;
  color: #fff;
  cursor: pointer;
  font-weight: 750;
  min-height: 38px;
  padding: 0 14px;
  white-space: nowrap;
}

button:hover {
  background: var(--accent-dark);
}

button.secondary {
  background: #edf1f4;
  color: var(--text);
}

button.secondary:hover {
  background: #dde5ea;
}

button.danger {
  background: var(--danger);
}

button.danger:hover {
  background: var(--danger-dark);
}

input {
  border: 1px solid var(--line);
  border-radius: 6px;
  min-height: 38px;
  padding: 8px 10px;
  width: 100%;
}

label {
  color: var(--muted);
  display: grid;
  font-size: 13px;
  font-weight: 700;
  gap: 5px;
}

pre {
  background: #101820;
  border-radius: 6px;
  color: #e0f2ec;
  margin: 12px 0 0;
  max-height: 420px;
  overflow: auto;
  padding: 14px;
}

.shell {
  margin: 0 auto;
  max-width: 1320px;
  padding: 28px;
}

.topbar,
.section-head,
.client-main,
.client-title,
.quick-actions,
.downloads,
.danger-zone {
  align-items: center;
  display: flex;
  gap: 12px;
}

.topbar,
.section-head,
.client-main {
  justify-content: space-between;
}

.topbar {
  margin-bottom: 18px;
}

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

.note {
  background: #f6f8fa;
  border-left: 3px solid var(--line);
  color: var(--text);
  margin: 10px 0 0;
  padding: 8px 10px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 2px var(--shadow);
  padding: 18px;
}

.summary-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 16px;
}

.metric {
  display: grid;
  gap: 4px;
}

.metric span,
.usage span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
}

.metric strong {
  font-size: 24px;
}

.create-panel {
  margin-bottom: 16px;
}

.create-panel h2 {
  margin-bottom: 12px;
}

.create-grid,
.settings-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(160px, 1.2fr) repeat(3, minmax(150px, 1fr)) auto auto auto;
}

.settings-grid {
  grid-template-columns: repeat(3, minmax(160px, 1fr)) auto minmax(220px, 1.4fr) auto;
}

.wide {
  min-width: 220px;
}

.switch {
  align-content: end;
  align-items: center;
  color: var(--text);
  display: flex;
  gap: 8px;
  min-height: 38px;
}

.switch input {
  min-height: auto;
  width: auto;
}

.clients {
  display: grid;
  gap: 16px;
  margin-bottom: 16px;
}

.client {
  display: grid;
  gap: 14px;
}

.client-title {
  flex-wrap: wrap;
}

.badge {
  background: #eef2f4;
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  padding: 5px 10px;
  text-transform: uppercase;
}

.badge.on {
  background: var(--soft-green);
  color: var(--accent-dark);
}

.badge.off {
  background: var(--soft-red);
  color: var(--danger-dark);
}

.usage {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.usage div {
  background: #f7f9fb;
  border: 1px solid #e5ebef;
  border-radius: 6px;
  display: grid;
  gap: 3px;
  padding: 10px;
}

.usage strong {
  font-size: 17px;
}

.progress {
  background: #e8edf1;
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
}

.progress span {
  background: linear-gradient(90deg, var(--accent), var(--warn));
  display: block;
  height: 100%;
}

.downloads,
.danger-zone {
  flex-wrap: wrap;
}

.downloads {
  background: var(--soft-blue);
  border-radius: 6px;
  padding: 10px;
}

.copy-key {
  min-height: 34px;
}

.copy-key:disabled {
  cursor: default;
  opacity: 0.75;
}

.copy-toast {
  background: #14242b;
  border-radius: 8px;
  bottom: 22px;
  box-shadow: 0 8px 30px rgba(16, 24, 32, 0.2);
  color: #fff;
  font-weight: 750;
  left: 50%;
  opacity: 0;
  padding: 12px 16px;
  pointer-events: none;
  position: fixed;
  transform: translate(-50%, 12px);
  transition: opacity 0.16s ease, transform 0.16s ease;
  z-index: 20;
}

.copy-toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.copy-toast.error {
  background: var(--danger-dark);
}

.danger-zone form,
.quick-actions form,
.topbar form,
.section-head form {
  margin: 0;
}

.alert {
  border-radius: 6px;
  font-weight: 700;
  margin-bottom: 14px;
  padding: 12px 14px;
}

.alert.ok {
  background: var(--soft-green);
  color: var(--accent-dark);
}

.alert.error {
  background: var(--soft-red);
  color: var(--danger-dark);
}

.login {
  margin: 12vh auto 0;
  max-width: 420px;
}

.form {
  display: grid;
  gap: 14px;
}

.empty {
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 1100px) {
  .create-grid,
  .settings-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .wide {
    min-width: 0;
  }
}

@media (max-width: 780px) {
  .shell {
    padding: 18px;
  }

  .topbar,
  .section-head,
  .client-main {
    align-items: stretch;
    flex-direction: column;
  }

  .summary-grid,
  .usage,
  .create-grid,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .quick-actions,
  .danger-zone {
    align-items: stretch;
    flex-direction: column;
  }

  button {
    width: 100%;
  }
}