:root {
  --pa-bg: #f5f7fb;
  --pa-panel: #ffffff;
  --pa-panel-2: #f8fafc;
  --pa-text: #0f172a;
  --pa-muted: #607086;
  --pa-line: rgba(15, 23, 42, 0.11);
  --pa-blue: #2563eb;
  --pa-teal: #0f766e;
  --pa-violet: #6259f5;
  --pa-rose: #e11d48;
  --pa-gold: #d97706;
  --pa-shadow: 0 22px 70px rgba(15, 23, 42, 0.09);
}

.platform-admin-body {
  margin: 0;
  min-height: 100vh;
  color: var(--pa-text);
  background:
    radial-gradient(circle at 82% 0%, rgba(37, 99, 235, 0.11), transparent 28rem),
    radial-gradient(circle at 10% 28%, rgba(15, 118, 110, 0.1), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, var(--pa-bg) 100%);
}

.platform-sidebar {
  position: fixed;
  inset: 18px auto 18px 18px;
  z-index: 90;
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: 286px;
  padding: 16px;
  border: 1px solid var(--pa-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--pa-shadow);
  backdrop-filter: blur(18px);
  transition: transform 240ms ease;
}

.platform-brand {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px;
  color: var(--pa-text);
}

.platform-brand span {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  color: #fff;
  font-weight: 950;
  background: linear-gradient(135deg, var(--pa-teal), var(--pa-blue));
  box-shadow: 0 16px 38px rgba(37, 99, 235, 0.2);
}

.platform-brand strong,
.platform-brand small {
  display: block;
}

.platform-brand small,
.admin-kicker,
.platform-card span,
.platform-card small,
.admin-session span {
  color: var(--pa-muted);
}

.platform-sidebar nav {
  display: grid;
  align-content: start;
  gap: 8px;
  margin-top: 18px;
}

.platform-sidebar nav a,
.sidebar-foot a,
.admin-session a,
.admin-action {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: #334155;
  font-weight: 850;
}

.platform-sidebar nav a svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.platform-sidebar nav a:hover,
.platform-sidebar nav a.active {
  color: #0f172a;
  border-color: rgba(37, 99, 235, 0.16);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(15, 118, 110, 0.08));
  transform: translateX(3px);
}

.sidebar-foot {
  display: grid;
  gap: 8px;
}

.platform-main {
  margin-left: 322px;
  padding: 24px clamp(16px, 3vw, 38px) 60px;
}

.platform-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.platform-top h1 {
  margin: 4px 0 0;
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.admin-kicker {
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.admin-session {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--pa-line);
  border-radius: 14px;
  background: var(--pa-panel);
}

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

.platform-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.platform-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.platform-card,
.platform-form,
.platform-table-wrap,
.login-panel {
  border: 1px solid var(--pa-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--pa-shadow);
}

.platform-card {
  padding: 18px;
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
}

.platform-section {
  margin-top: 18px;
}

.platform-section h2 {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
}

.platform-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 18px;
}

.platform-form label {
  display: grid;
  gap: 7px;
  color: var(--pa-muted);
  font-weight: 850;
}

.platform-form input,
.platform-form select,
.platform-form textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--pa-line);
  border-radius: 12px;
  padding: 12px 13px;
  background: #fff;
  color: var(--pa-text);
  font: inherit;
}

.platform-form textarea,
.span-all {
  grid-column: 1 / -1;
}

.admin-action {
  justify-content: center;
  color: #fff;
  background: linear-gradient(135deg, var(--pa-teal), var(--pa-blue));
  border-color: transparent;
  cursor: pointer;
}

.platform-table-wrap {
  overflow: auto;
}

.platform-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.platform-table th,
.platform-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  text-align: left;
}

.platform-table th {
  color: var(--pa-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-pill {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border-radius: 999px;
  padding: 5px 10px;
  background: #eef6ff;
  color: var(--pa-blue);
  font-size: 0.78rem;
  font-weight: 900;
}

.login-shell {
  width: min(100% - 28px, 1120px);
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 28px;
  align-items: center;
}

.login-copy h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 5.8rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.login-panel {
  display: grid;
  gap: 14px;
  padding: 24px;
}

.admin-menu-toggle {
  display: none;
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 110;
  min-height: 46px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: var(--pa-blue);
  box-shadow: var(--pa-shadow);
}

@media (max-width: 1080px) {
  .platform-sidebar {
    transform: translateX(calc(-100% - 24px));
  }

  .platform-sidebar.open {
    transform: translateX(0);
  }

  .platform-main {
    margin-left: 0;
  }

  .admin-menu-toggle {
    display: inline-flex;
    align-items: center;
  }

  .platform-grid,
  .platform-grid.three,
  .platform-grid.two,
  .login-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .platform-top,
  .admin-session {
    align-items: flex-start;
    flex-direction: column;
  }

  .platform-form {
    grid-template-columns: 1fr;
  }

  .platform-sidebar {
    inset: 10px;
    width: auto;
  }
}