:root {
  --ir-bg: #0a0f14;
  --ir-surface: #151c23;
  --ir-surface-soft: #1c242d;
  --ir-border: rgba(148, 163, 184, 0.24);
  --ir-text: #e5e7eb;
  --ir-muted: #9ca3af;
  --ir-primary: #1db954;
  --ir-primary-strong: #2ecc71;
  --ir-warning: #eab308;
  --ir-danger: #ef4444;
  --ir-radius-lg: 1rem;
  --ir-radius-md: 0.66rem;
  --ir-icon-soft: rgba(29, 185, 84, 0.15);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ir-text);
  background:
    radial-gradient(1200px 800px at 10% -10%, rgba(29, 185, 84, 0.14), transparent 55%),
    radial-gradient(900px 700px at 100% 0%, rgba(46, 204, 113, 0.1), transparent 45%),
    var(--ir-bg);
  min-height: 100vh;
}
.ir-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}
.ir-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(5, 7, 10, 0.86);
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
}
.ir-header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.ir-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
}
.ir-brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--ir-primary-strong);
  box-shadow: 0 0 0 6px var(--ir-icon-soft);
}
.ir-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.ir-nav a {
  color: #d1d5db;
  text-decoration: none;
  font-weight: 600;
  border-radius: 0.6rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid transparent;
  transition: 180ms ease;
}
.ir-nav a:hover {
  color: #ffffff;
  border-color: rgba(46, 204, 113, 0.38);
  background: rgba(46, 204, 113, 0.08);
}
.ir-nav a.is-active {
  color: #022c2a;
  background: var(--ir-primary-strong);
  border-color: var(--ir-primary-strong);
}
.ir-page {
  padding: 2.5rem 0 3rem;
}
.ir-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border-radius: 999px;
  border: 1px solid rgba(46, 204, 113, 0.36);
  background: rgba(46, 204, 113, 0.12);
  color: var(--ir-primary-strong);
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 700;
}
h1 {
  margin: 1rem 0 0;
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
h2 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
p {
  line-height: 1.7;
}
.ir-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.4rem;
  color: var(--ir-muted);
}
.ir-lead {
  color: var(--ir-muted);
  max-width: 880px;
  margin: 0.95rem 0 0;
  font-size: clamp(1rem, 2vw, 1.15rem);
}
.ir-grid {
  display: grid;
  gap: 1rem;
}
.ir-grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.ir-grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.ir-card {
  border: 1px solid var(--ir-border);
  border-radius: var(--ir-radius-lg);
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.94), rgba(10, 14, 21, 0.92));
  padding: 1rem;
}
.ir-card h3 {
  margin: 0;
  font-size: 1.06rem;
}
.ir-card p {
  margin: 0.65rem 0 0;
  color: var(--ir-muted);
}
.ir-section {
  margin-top: 1.5rem;
}
.ir-section + .ir-section {
  margin-top: 2rem;
}
.ir-btn-row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.ir-btn {
  border: 1px solid transparent;
  border-radius: var(--ir-radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  text-decoration: none;
  cursor: pointer;
  padding: 0.76rem 1.1rem;
  font-weight: 700;
  transition: 180ms ease;
}
.ir-btn:hover {
  transform: translateY(-1px);
}
.ir-btn-primary {
  color: #022c2a;
  background: var(--ir-primary-strong);
  border-color: var(--ir-primary-strong);
}
.ir-btn-primary:hover {
  background: #5eead4;
  border-color: #5eead4;
}
.ir-btn-muted {
  color: #e5e7eb;
  background: rgba(148, 163, 184, 0.12);
  border-color: rgba(148, 163, 184, 0.32);
}
.ir-btn-muted:hover {
  background: rgba(148, 163, 184, 0.2);
}
.ir-input,
.ir-textarea,
.ir-select {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.34);
  border-radius: var(--ir-radius-md);
  padding: 0.74rem 0.84rem;
  background: rgba(15, 23, 42, 0.5);
  color: #f3f4f6;
  font: inherit;
}
.ir-input:focus,
.ir-textarea:focus,
.ir-select:focus {
  outline: none;
  border-color: rgba(46, 204, 113, 0.75);
  box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.16);
}
.ir-textarea {
  min-height: 140px;
  resize: vertical;
}
.ir-field {
  display: grid;
  gap: 0.34rem;
}
.ir-label {
  color: #e2e8f0;
  font-size: 0.92rem;
  font-weight: 600;
}
.ir-help {
  color: var(--ir-muted);
  font-size: 0.9rem;
}
.ir-status {
  border-radius: 0.66rem;
  border: 1px solid transparent;
  padding: 0.7rem 0.8rem;
  font-size: 0.92rem;
}
.ir-status.success {
  color: #6ee7b7;
  border-color: rgba(16, 185, 129, 0.44);
  background: rgba(16, 185, 129, 0.12);
}
.ir-status.error {
  color: #fecaca;
  border-color: rgba(244, 63, 94, 0.45);
  background: rgba(244, 63, 94, 0.12);
}
.ir-table-wrap {
  margin-top: 1rem;
  overflow-x: auto;
  border-radius: 0.9rem;
  border: 1px solid var(--ir-border);
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}
th,
td {
  padding: 0.82rem;
  text-align: left;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}
th {
  text-transform: uppercase;
  font-size: 0.77rem;
  letter-spacing: 0.03em;
  color: #cbd5e1;
  background: rgba(2, 6, 23, 0.55);
}
td {
  color: #d1d5db;
  vertical-align: top;
}
.ir-footer {
  margin-top: 2.4rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  color: var(--ir-muted);
  font-size: 0.92rem;
}
@media (max-width: 980px) {
  .ir-grid.cols-2,
  .ir-grid.cols-3 {
    grid-template-columns: 1fr;
  }
  .ir-header-inner {
    min-height: 66px;
    align-items: flex-start;
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
  }
}