@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600&display=swap");

:root {
  --bg-one: #f3efe2;
  --bg-two: #e8f2f4;
  --text: #161616;
  --muted: #6a6a6a;
  --card: #ffffff;
  --accent: #111111;
  --border: rgba(0, 0, 0, 0.08);
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(130deg, var(--bg-one), var(--bg-two));
  min-height: 100vh;
}

.page {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
}

.card {
  width: min(980px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow);
  animation: rise 0.6s ease-out;
}

.header h1 {
  margin: 6px 0 10px;
  font-size: 30px;
  letter-spacing: -0.02em;
}

.header,
.guide-header {
  text-align: center;
}

.header {
  margin-bottom: 20px;
  padding: 18px 20px;
  border-radius: 18px;
  background: #f7f1e5;
  border: 1px solid var(--border);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.sub {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 14px;
}

.header-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.content-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
}

.primary {
  order: 1;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: #fbf7f0;
}

.guide {
  order: 2;
}

.panel {
  display: grid;
  gap: 14px;
  margin-bottom: 20px;
}

.field {
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.field input {
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 12px 14px;
  font-size: 14px;
  background: #fafafa;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field select {
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 12px 14px;
  font-size: 14px;
  background: #fafafa;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field textarea {
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 12px 14px;
  font-size: 14px;
  background: #fafafa;
  resize: vertical;
  min-height: 110px;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus {
  outline: none;
  border-color: #111111;
  box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.12);
}

.field textarea:focus {
  outline: none;
  border-color: #111111;
  box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.12);
}

.field select:focus {
  outline: none;
  border-color: #111111;
  box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.12);
}

button {
  border: none;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

button.steady-button:disabled {
  opacity: 1;
  cursor: wait;
}

.status {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  display: grid;
  gap: 10px;
  font-size: 14px;
}

.status-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

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

.status-detail {
  margin: 0;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(17, 17, 17, 0.04);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  word-break: break-word;
}

.guide {
  border: 1px solid var(--border);
  padding: 18px;
  border-radius: 18px;
  background: #eef3fa;
  font-size: 14px;
}

.guide-header h2 {
  margin: 0 0 6px;
  font-size: 18px;
}

.guide-header p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
}

.steps {
  display: grid;
  gap: 12px;
}

.step-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #ffffff;
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: #111111;
  color: #ffffff;
  font-weight: 600;
  display: grid;
  place-items: center;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.step-body h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.step-body p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.step-actions {
  margin-top: 10px;
}

.note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
  background: rgba(17, 17, 17, 0.04);
  border-radius: 12px;
  padding: 10px 12px;
  border: 1px dashed rgba(17, 17, 17, 0.2);
}

.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: #1d4ed8;
  color: #ffffff;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.link-button:hover {
  transform: translateY(-1px);
}

.neutral-link {
  background: #ffffff;
  color: var(--text);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.confirm-box {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: #ffffff;
  display: grid;
  gap: 10px;
}

.confirm-box p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  word-break: break-all;
}

.confirm-box strong {
  color: var(--text);
}

.is-hidden {
  display: none !important;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .card {
    padding: 24px;
  }

  .status-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .step-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .card {
    width: min(820px, 100%);
  }

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

@media (min-width: 861px) {
  .primary {
    order: 2;
  }

  .guide {
    order: 1;
  }
}

.check-page {
  padding: 40px 20px 60px;
}

.check-shell {
  width: min(1180px, 100%);
  display: grid;
  gap: 20px;
}

.check-hero {
  padding: 24px 28px;
  border-radius: 24px;
  background:
    radial-gradient(circle at top left, rgba(29, 78, 216, 0.18), transparent 30%),
    linear-gradient(135deg, #ffffff, #f3efe2);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.check-kicker {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.check-hero h1 {
  margin: 0 0 8px;
  font-size: 34px;
  letter-spacing: -0.03em;
}

.check-hero p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.check-layout {
  display: grid;
  grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
  gap: 20px;
  align-items: stretch;
}

.check-panel {
  padding: 20px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.06);
}

.check-layout > .check-panel,
.check-layout > form.check-panel {
  height: 100%;
}

.check-layout > form.check-panel {
  display: flex;
  flex-direction: column;
}

.check-layout > form.check-panel .field {
  flex: 1;
}

.check-layout > form.check-panel textarea {
  height: 100%;
}

.check-tip {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.usage-actions {
  margin-top: 10px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.copy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.stat-card {
  padding: 14px 12px;
  border-radius: 16px;
  background: #f8f8f8;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.stat-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}

.stat-card strong {
  font-size: 26px;
  letter-spacing: -0.04em;
}

.check-status {
  border-top: 0;
  padding-top: 0;
}

.results-panel {
  gap: 14px;
}

.results-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.results-head h2 {
  margin: 0;
  font-size: 20px;
}

.results-count {
  color: var(--muted);
  font-size: 13px;
}

.secondary-button {
  padding: 11px 14px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #ffffff;
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.secondary-button:hover {
  background: #f8f8f8;
}

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

.results-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.results-table th,
.results-table td {
  padding: 12px 10px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  text-align: left;
  font-size: 13px;
  vertical-align: top;
}

.results-table th {
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.code-cell {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  letter-spacing: 0.02em;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.status-pill.used {
  background: rgba(220, 38, 38, 0.12);
  color: #b91c1c;
}

.status-pill.unused {
  background: rgba(22, 163, 74, 0.12);
  color: #15803d;
}

.status-pill.reserved {
  background: rgba(29, 78, 216, 0.12);
  color: #1d4ed8;
}

.status-pill.invalid {
  background: rgba(120, 113, 108, 0.14);
  color: #57534e;
}

.empty-cell {
  color: var(--muted);
  text-align: center;
}

@media (max-width: 920px) {
  .check-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .check-hero {
    padding: 20px;
  }

  .check-hero h1 {
    font-size: 28px;
  }

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

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

.manage-stack {
  display: grid;
  gap: 20px;
}

.manage-login-panel {
  max-width: 520px;
  margin: 0 auto;
  background:
    radial-gradient(circle at top right, rgba(29, 78, 216, 0.12), transparent 32%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(247, 241, 229, 0.92));
  border-radius: 28px;
  box-shadow: 0 24px 54px rgba(15, 23, 42, 0.1);
}

.manage-login-card {
  display: grid;
  gap: 20px;
}

.manage-login-top {
  display: grid;
  gap: 10px;
}

.manage-login-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.08);
  color: #1f2937;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.manage-login-top h2 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.03em;
}

.manage-login-top p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
  max-width: 42ch;
}

.manage-login-actions {
  margin-top: 8px;
}

.manage-login-actions button {
  width: 100%;
  padding-top: 14px;
  padding-bottom: 14px;
}

.manage-auth-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.manage-auth-head h2 {
  margin: 4px 0 0;
  font-size: 28px;
  letter-spacing: -0.03em;
}

.manage-auth-side {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.manage-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.manage-tab {
  border: 1px solid rgba(17, 17, 17, 0.08);
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 16px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.manage-tab:hover {
  transform: translateY(-1px);
  border-color: rgba(17, 17, 17, 0.2);
}

.manage-tab.is-active {
  background: #111111;
  color: #ffffff;
  border-color: #111111;
}

.manage-tab-panel {
  display: grid;
  gap: 20px;
}

.manage-overview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.manage-stat-card {
  display: grid;
  gap: 8px;
  align-content: start;
  min-height: 150px;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.65), transparent 42%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.98), rgba(248, 245, 239, 0.94));
}

.manage-stat-card.nitro {
  background:
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.14), transparent 42%),
    linear-gradient(160deg, rgba(244, 250, 255, 0.98), rgba(234, 244, 255, 0.95));
}

.manage-stat-card.aicheap {
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.14), transparent 42%),
    linear-gradient(160deg, rgba(244, 255, 251, 0.98), rgba(232, 249, 242, 0.95));
}

.manage-stat-card.pending {
  background:
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.14), transparent 42%),
    linear-gradient(160deg, rgba(255, 251, 240, 0.98), rgba(252, 243, 220, 0.95));
}

.manage-stat-label {
  color: var(--muted);
  font-size: 13px;
}

.manage-stat-value {
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.05em;
}

.manage-stat-note {
  color: var(--muted);
  font-size: 12px;
}

.manage-grid-wide {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: start;
}

.manage-grid-overview {
  align-items: stretch;
}

.manage-grid-wide {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: start;
}

.manage-panel-block,
.manage-form {
  display: grid;
  gap: 14px;
}

.manage-inline-row {
  display: flex;
  gap: 12px;
  align-items: end;
}

.manage-grow {
  flex: 1;
}

.compact-inline button {
  flex: 0 0 auto;
  white-space: nowrap;
}

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

.manage-generated-output {
  min-height: 190px;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  letter-spacing: 0.02em;
  resize: vertical;
}

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

.manage-quick-button {
  width: 100%;
  justify-content: center;
}

.manage-table {
  min-width: 980px;
}

.compact-table-wrap .results-table {
  min-width: 0;
}

.manage-summary-table th,
.manage-summary-table td {
  white-space: nowrap;
}

.table-button {
  padding: 8px 12px;
  font-size: 12px;
}

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

.danger-button {
  border-color: rgba(220, 38, 38, 0.2);
  color: #b91c1c;
}

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

  .manage-grid-wide {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .manage-auth-head,
  .manage-auth-side {
    flex-direction: column;
    align-items: stretch;
  }

  .manage-overview-grid,
  .manage-quick-grid {
    grid-template-columns: 1fr;
  }

  .manage-inline-row {
    flex-direction: column;
    align-items: stretch;
  }

  .manage-login-top h2 {
    font-size: 26px;
  }
}