:root {
  --bg: #f4efe6;
  --paper: rgba(255, 252, 246, 0.82);
  --paper-strong: #fffaf0;
  --ink: #151823;
  --ink-soft: #4b5567;
  --line: rgba(21, 24, 35, 0.12);
  --sky: #9ad9ff;
  --amber: #ffb457;
  --mint: #8ce2cf;
  --accent: #0f766e;
  --danger: #b91c1c;
  --shadow: 0 24px 80px rgba(21, 24, 35, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.page-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(154, 217, 255, 0.7), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(255, 180, 87, 0.45), transparent 24%),
    radial-gradient(circle at 50% 80%, rgba(140, 226, 207, 0.34), transparent 20%),
    linear-gradient(135deg, #f3ebdd, #eef6f3 48%, #f8f3ea);
  z-index: -2;
}

.page-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(21, 24, 35, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 24, 35, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
}

.shell {
  width: min(1220px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.92fr;
  gap: 24px;
  align-items: stretch;
}

.hero-copy,
.auth-panel {
  backdrop-filter: blur(18px);
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 42px;
  position: relative;
  overflow: hidden;
}

.hero-copy::before {
  content: "";
  position: absolute;
  inset: auto -12% -26% auto;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255, 180, 87, 0.3), transparent 68%);
  filter: blur(10px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 18px 0 18px;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero-text {
  margin: 0;
  max-width: 720px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.75;
}

.hero-cards {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.feature-card h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

.feature-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
  font-size: 14px;
}

.accent-sky {
  box-shadow: inset 0 0 0 1px rgba(154, 217, 255, 0.6);
}

.accent-amber {
  box-shadow: inset 0 0 0 1px rgba(255, 180, 87, 0.6);
}

.accent-ink {
  box-shadow: inset 0 0 0 1px rgba(21, 24, 35, 0.14);
}

.auth-panel {
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--sky), var(--mint));
  font-size: 28px;
  font-weight: 700;
}

.panel-title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
}

.panel-subtitle {
  color: var(--ink-soft);
  margin-top: 6px;
  font-size: 14px;
}

.tab-bar {
  display: flex;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(21, 24, 35, 0.06);
}

.tab {
  flex: 1;
  border: 0;
  background: transparent;
  border-radius: 999px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  color: var(--ink-soft);
}

.tab.active {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 8px 20px rgba(21, 24, 35, 0.08);
}

.hidden,
.tab.hidden,
.tab-panel.hidden,
.flash.hidden {
  display: none;
}

.flash {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.55;
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent);
}

.flash.error {
  background: rgba(185, 28, 28, 0.08);
  color: var(--danger);
}

.tab-panel {
  margin-top: 18px;
}

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

.stack-form label,
.dashboard-card {
  display: grid;
  gap: 8px;
}

.stack-form span,
.label {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(21, 24, 35, 0.12);
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(15, 118, 110, 0.18);
  border-color: rgba(15, 118, 110, 0.45);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.primary-button,
.ghost-button {
  border: 0;
  border-radius: 999px;
  padding: 14px 18px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

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

.primary-button {
  background: linear-gradient(135deg, #0f766e, #1d4ed8);
  color: #fff;
  box-shadow: 0 16px 28px rgba(29, 78, 216, 0.18);
}

.ghost-button {
  background: rgba(21, 24, 35, 0.06);
  color: var(--ink);
}

.dashboard-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid var(--line);
}

.dashboard-card + .dashboard-card {
  margin-top: 14px;
}

.dashboard-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(21, 24, 35, 0.08);
}

.dashboard-row:last-child {
  border-bottom: 0;
}

.compact-row {
  padding: 0;
  border-bottom: 0;
}

.api-card {
  gap: 14px;
}

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

.api-tip,
.api-note {
  margin: 4px 0 0;
  color: var(--ink-soft);
  line-height: 1.6;
  font-size: 14px;
}

.api-actions {
  display: flex;
  gap: 10px;
}

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

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

.admin-table th,
.admin-table td {
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(21, 24, 35, 0.08);
}

.admin-table th {
  color: var(--ink-soft);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.admin-table td {
  font-size: 14px;
  line-height: 1.6;
}

.admin-table code {
  display: inline-block;
  max-width: 220px;
  overflow-wrap: anywhere;
  padding: 6px 8px;
  border-radius: 10px;
  background: rgba(21, 24, 35, 0.06);
  font-family: "Space Grotesk", monospace;
  font-size: 12px;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-actions button {
  padding: 10px 12px;
}

.admin-expiry-input {
  min-width: 210px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.status-pill.active {
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent);
}

.status-pill.inactive {
  background: rgba(185, 28, 28, 0.08);
  color: var(--danger);
}

.empty-cell {
  color: var(--ink-soft);
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .auth-panel {
    padding: 24px;
  }

  .hero-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100vw - 20px, 100%);
    padding-top: 12px;
  }

  h1 {
    font-size: 42px;
  }

  .api-actions {
    flex-direction: column;
  }

  .api-header {
    flex-direction: column;
  }
}