:root {
  --font-sans: "Segoe UI", "Trebuchet MS", "Gill Sans", "Aptos", sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
  --bg: #0b1119;
  --surface: rgba(17, 25, 38, 0.88);
  --surface-strong: rgba(26, 37, 56, 0.96);
  --border: rgba(171, 194, 225, 0.18);
  --border-strong: rgba(224, 235, 255, 0.22);
  --text: #f4f8ff;
  --muted: #9caecc;
  --accent: #7dd3ff;
  --accent-2: #84f1d3;
  --warning: #f8cb7b;
  --danger: #ff8f9b;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 20% 0%, rgba(125, 211, 255, 0.18), transparent 24%),
    radial-gradient(circle at 80% 18%, rgba(132, 241, 211, 0.14), transparent 18%),
    radial-gradient(circle at 50% 100%, rgba(111, 135, 255, 0.14), transparent 25%),
    linear-gradient(180deg, #0d131d 0%, #070b11 100%);
  color: var(--text);
  font-family: var(--font-sans);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 24%),
    linear-gradient(0deg, rgba(255, 255, 255, 0.02), transparent 18%);
}

a {
  color: inherit;
  text-decoration: none;
}

.landing,
.shell {
  min-height: 100vh;
}

.landing {
  padding: 48px;
  display: grid;
  place-items: center;
}

.landing-card,
.sidebar,
.hero,
.card,
.signal-card,
.portal-card,
.table-card,
.stat-card,
.glass-card,
.metric-card {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.02)),
    linear-gradient(180deg, rgba(17, 25, 38, 0.98), rgba(10, 15, 24, 0.94));
  backdrop-filter: blur(18px);
}

.landing-card::before,
.sidebar::before,
.hero::before,
.card::before,
.signal-card::before,
.portal-card::before,
.table-card::before,
.stat-card::before,
.glass-card::before,
.metric-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.24), transparent 20%, transparent 56%, rgba(255, 255, 255, 0.08) 100%),
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.18), transparent 34%);
  pointer-events: none;
}

.landing-card {
  width: min(1140px, 100%);
  padding: 42px;
}

.lead-copy {
  max-width: 880px;
  color: var(--muted);
  line-height: 1.7;
}

.landing-card h1,
.section-title,
.hero h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.landing-card h1 {
  margin: 18px 0 14px;
  font-size: clamp(2.4rem, 4vw, 4.4rem);
  line-height: 1.04;
}

.landing-card p,
.section-copy,
.hero p,
.brand-copy,
.nav-copy {
  color: var(--muted);
  line-height: 1.6;
}

.brand-pill,
.role-pill,
.nav-badge,
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.brand-pill {
  padding: 8px 12px;
  color: #d8ecff;
  background: rgba(125, 211, 255, 0.12);
  border: 1px solid rgba(125, 211, 255, 0.2);
}

.role-pill {
  padding: 8px 12px;
  color: #08131f;
  background: linear-gradient(180deg, #eef6ff, #a8d5ff);
}

.chip {
  padding: 6px 10px;
  color: #05111d;
  background: linear-gradient(180deg, #dfefff, #9cc5ff);
}

.chip.warning {
  background: linear-gradient(180deg, #fff0cf, #f8cb7b);
}

.chip.positive {
  background: linear-gradient(180deg, #dffcf3, #84f1d3);
}

.logo-row,
.logo-split,
.logo-triad {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  margin: 22px 0 12px;
}

.logo-split,
.logo-triad {
  justify-content: center;
}

.logo-triad.compact {
  margin-top: 0;
}

.logo-slot {
  display: flex;
  flex: 1 1 280px;
  align-items: center;
  transition: opacity 0.2s ease, transform 0.2s ease, filter 0.2s ease;
}

.logo-slot.left {
  justify-content: flex-start;
}

.logo-slot.center {
  flex: 0 1 340px;
  justify-content: center;
}

.logo-slot.right {
  justify-content: flex-end;
}

.logo-slot.active {
  opacity: 1;
  transform: translateY(-4px);
}

.logo-slot.muted {
  opacity: 0.54;
  filter: saturate(0.7);
}

.center-pill {
  align-self: center;
}

.logo,
.brand-logo {
  display: block;
  max-width: 260px;
  width: 100%;
  height: auto;
}

.brand-logo.main {
  max-width: 320px;
}

.portal-grid,
.metrics-grid,
.signal-grid,
.content-grid {
  display: grid;
  gap: 18px;
}

.portal-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 28px;
}

.metrics-grid {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.signal-grid,
.content-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.form-card {
  min-height: 100%;
}

.portal-card,
.signal-card,
.stat-card,
.card,
.table-card,
.glass-card,
.metric-card {
  padding: 22px;
}

.portal-card strong,
.signal-card strong,
.stat-card strong {
  display: block;
  margin-top: 14px;
  font-size: 18px;
}

.portal-card.director {
  background:
    linear-gradient(180deg, rgba(110, 205, 255, 0.22), rgba(19, 28, 42, 0.96)),
    linear-gradient(180deg, rgba(17, 25, 38, 0.98), rgba(10, 15, 24, 0.94));
}

.portal-card.teacher {
  background:
    linear-gradient(180deg, rgba(132, 241, 211, 0.2), rgba(19, 28, 42, 0.96)),
    linear-gradient(180deg, rgba(17, 25, 38, 0.98), rgba(10, 15, 24, 0.94));
}

.portal-card.parent {
  background:
    linear-gradient(180deg, rgba(248, 203, 123, 0.2), rgba(19, 28, 42, 0.96)),
    linear-gradient(180deg, rgba(17, 25, 38, 0.98), rgba(10, 15, 24, 0.94));
}

.landing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 28px;
}

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

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

.form-grid.two {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.form-grid.three {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

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

.field.compact {
  margin-top: 18px;
}

.checkbox-field {
  grid-auto-flow: column;
  justify-content: start;
  align-items: center;
}

.input,
.textarea {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(224, 235, 255, 0.14);
  background: rgba(8, 12, 20, 0.6);
  color: var(--text);
  font: inherit;
}

.textarea {
  min-height: 124px;
  resize: vertical;
}

.status-banner {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(224, 235, 255, 0.12);
}

.status-banner.info {
  background: rgba(125, 211, 255, 0.12);
}

.status-banner.success {
  background: rgba(132, 241, 211, 0.12);
}

.status-banner.error {
  background: rgba(255, 143, 155, 0.14);
}

.account-list,
.key-value-list {
  display: grid;
  gap: 12px;
  margin: 18px 0;
}

.code-inline {
  font-family: "Consolas", "Courier New", monospace;
  font-size: 12px;
  word-break: break-all;
}

.account-pill,
.key-value-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(224, 235, 255, 0.1);
  background: rgba(8, 12, 20, 0.5);
}

.dual-brand-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.mini-logo {
  width: 120px;
  max-width: 45%;
  height: auto;
}

.metric-card {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
}

.metric-card.accent {
  background:
    linear-gradient(180deg, rgba(125, 211, 255, 0.22), rgba(17, 25, 38, 0.96)),
    linear-gradient(180deg, rgba(17, 25, 38, 0.98), rgba(8, 12, 20, 0.96));
}

.metric-card.positive {
  background:
    linear-gradient(180deg, rgba(132, 241, 211, 0.16), rgba(17, 25, 38, 0.96)),
    linear-gradient(180deg, rgba(17, 25, 38, 0.98), rgba(8, 12, 20, 0.96));
}

.metric-card.warning {
  background:
    linear-gradient(180deg, rgba(248, 203, 123, 0.18), rgba(17, 25, 38, 0.96)),
    linear-gradient(180deg, rgba(17, 25, 38, 0.98), rgba(8, 12, 20, 0.96));
}

.metric-label,
.metric-meta {
  color: var(--muted);
}

.metric-value {
  display: block;
  margin: 12px 0 8px;
  font-size: 34px;
  letter-spacing: -0.05em;
}

.action-link,
.action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 20px;
  border-radius: 18px;
  border: 1px solid var(--border-strong);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.03)),
    linear-gradient(180deg, rgba(20, 29, 44, 0.96), rgba(8, 12, 20, 0.96));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 rgba(0, 0, 0, 0.42),
    0 14px 34px rgba(0, 0, 0, 0.34);
}

.action-link.primary,
.action-button.primary {
  background:
    linear-gradient(180deg, rgba(152, 227, 255, 0.32), rgba(255, 255, 255, 0.05)),
    linear-gradient(180deg, #274e76 0%, #111e31 100%);
}

.shell {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 24px;
  padding: 24px;
}

.sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
  padding: 24px;
}

.sidebar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.nav-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 18px 0 14px;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 28px;
}

.nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 54px;
  padding: 12px 16px;
  border-radius: 18px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
}

.nav-link.active,
.nav-link:hover {
  color: var(--text);
  border-color: rgba(125, 211, 255, 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03)),
    linear-gradient(180deg, rgba(26, 37, 56, 0.96), rgba(9, 14, 23, 0.96));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 12px 24px rgba(0, 0, 0, 0.22);
}

.nav-badge {
  padding: 6px 10px;
  color: #091320;
  background: linear-gradient(180deg, #dff6ff, #7dd3ff);
}

.main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.section-head {
  margin-bottom: 16px;
}

.hero {
  padding: 32px;
  background:
    radial-gradient(circle at top right, rgba(125, 211, 255, 0.2), transparent 28%),
    radial-gradient(circle at left center, rgba(132, 241, 211, 0.12), transparent 26%),
    linear-gradient(180deg, rgba(17, 25, 38, 0.98), rgba(8, 12, 20, 0.96));
}

.hero h1 {
  margin: 10px 0 12px;
  font-size: clamp(2rem, 3vw, 3.2rem);
}

.stat-label {
  display: block;
  color: var(--muted);
  margin-bottom: 10px;
}

.stat-value {
  display: block;
  font-size: 34px;
  letter-spacing: -0.05em;
}

.stat-meta {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.stat-card.accent,
.signal-card.accent {
  background:
    linear-gradient(180deg, rgba(125, 211, 255, 0.22), rgba(17, 25, 38, 0.96)),
    linear-gradient(180deg, rgba(17, 25, 38, 0.98), rgba(8, 12, 20, 0.96));
}

.stat-card.warning,
.signal-card.warning {
  background:
    linear-gradient(180deg, rgba(248, 203, 123, 0.18), rgba(17, 25, 38, 0.96)),
    linear-gradient(180deg, rgba(17, 25, 38, 0.98), rgba(8, 12, 20, 0.96));
}

.stat-card.positive,
.signal-card.positive {
  background:
    linear-gradient(180deg, rgba(132, 241, 211, 0.16), rgba(17, 25, 38, 0.96)),
    linear-gradient(180deg, rgba(17, 25, 38, 0.98), rgba(8, 12, 20, 0.96));
}

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

.list-item {
  padding: 16px;
  border-radius: 20px;
  border: 1px solid rgba(224, 235, 255, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    rgba(8, 12, 20, 0.55);
}

.list-item strong {
  display: block;
  margin-bottom: 6px;
}

.list-item span {
  color: var(--muted);
}

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

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 14px 10px;
  border-bottom: 1px solid rgba(224, 235, 255, 0.08);
}

th {
  color: #c8d7ef;
  font-weight: 600;
}

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

@media (max-width: 960px) {
  .landing {
    padding: 24px;
  }

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

  .sidebar {
    position: static;
  }
}