/* ═══════════════════════════════════════════════════════════════
   NEXIS DESIGN SYSTEM — Dark Glass-Morphic Interface
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* Core colors */
  --nexis-bg: #1a1a1e;
  --nexis-surface: rgba(255, 255, 255, 0.04);
  --nexis-surface-hover: rgba(255, 255, 255, 0.07);
  --nexis-surface-raised: rgba(255, 255, 255, 0.06);
  --nexis-border: rgba(255, 255, 255, 0.08);
  --nexis-border-light: rgba(255, 255, 255, 0.04);

  /* Text colors */
  --nexis-text-primary: rgba(255, 255, 255, 0.88);
  --nexis-text-secondary: rgba(255, 255, 255, 0.50);
  --nexis-text-tertiary: rgba(255, 255, 255, 0.28);

  /* Accent colors */
  --nexis-accent: #FF9F1C;
  --nexis-accent-soft: rgba(255, 159, 28, 0.12);
  --nexis-cyan: #00D4AA;
  --nexis-cyan-soft: rgba(0, 212, 170, 0.10);
  --nexis-gold: #D4AF37;
  --nexis-gold-soft: rgba(212, 175, 55, 0.10);

  /* Radii */
  --nexis-radius-sm: 8px;
  --nexis-radius-md: 12px;
  --nexis-radius-lg: 16px;
  --nexis-radius-xl: 20px;
  --nexis-radius-2xl: 28px;

  /* Shadows */
  --nexis-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --nexis-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --nexis-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);

  /* Typography */
  --nexis-font-ui: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --nexis-font-mono: "IBM Plex Mono", monospace;
}

/* ═══════════════════════════════════════════════════════════════
   3D SCENE & AMBIENT LIGHTING
   ═══════════════════════════════════════════════════════════════ */

.nexis-scene {
  width: 100%;
  min-height: 100vh;
  background: var(--nexis-bg);
  perspective: 1800px;
  perspective-origin: 50% 42%;
  overflow: hidden;
  position: relative;
}

.nexis-scene-inner {
  width: 100%;
  min-height: 100vh;
  transform-style: preserve-3d;
  transform: rotateX(1.5deg) rotateY(0deg);
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.1s ease-out;
}

/* Ambient light gradients */
.nexis-scene::before {
  content: '';
  position: fixed;
  top: -40%;
  left: -20%;
  width: 140%;
  height: 100%;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(255, 159, 28, 0.03) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(0, 212, 170, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ═══════════════════════════════════════════════════════════════
   GLASS PANEL BASE
   ═══════════════════════════════════════════════════════════════ */

.nexis-glass {
  background: var(--nexis-surface);
  backdrop-filter: blur(40px) saturate(1.4);
  -webkit-backdrop-filter: blur(40px) saturate(1.4);
  border: 1px solid var(--nexis-border);
  border-radius: var(--nexis-radius-lg);
  position: relative;
  transform-style: preserve-3d;
  transition:
    transform 0.4s cubic-bezier(0.2, 0.9, 0.3, 1),
    background 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.nexis-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
  pointer-events: none;
}

.nexis-glass:hover {
  background: var(--nexis-surface-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

/* ═══════════════════════════════════════════════════════════════
   TOPBAR
   ═══════════════════════════════════════════════════════════════ */

.nexis-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  transform: translateZ(12px);
  flex-shrink: 0;
  z-index: 1;
}

.nexis-logo-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nexis-logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--nexis-accent) 0%, #e8891a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(255, 159, 28, 0.25);
}

.nexis-logo-icon svg {
  width: 14px;
  height: 14px;
}

.nexis-logo-name {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--nexis-text-primary);
}

.nexis-topbar-metrics {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nexis-t-metric {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nexis-t-metric-label {
  font-size: 11px;
  color: var(--nexis-text-tertiary);
  font-weight: 400;
}

.nexis-t-metric-val {
  font-family: var(--nexis-font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--nexis-text-secondary);
  font-variant-numeric: tabular-nums;
}

.nexis-t-metric-val.live {
  color: var(--nexis-cyan);
}

.nexis-status-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.12);
  border-radius: 100px;
  padding: 4px 12px 4px 8px;
  font-size: 11px;
  color: var(--nexis-cyan);
  font-weight: 500;
}

.nexis-status-pill .nexis-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--nexis-cyan);
  box-shadow: 0 0 6px var(--nexis-cyan);
  animation: nexis-soft-pulse 3s ease-in-out infinite;
}

@keyframes nexis-soft-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ═══════════════════════════════════════════════════════════════
   INSTRUMENT CARDS
   ═══════════════════════════════════════════════════════════════ */

.nexis-card-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  transform: translateZ(6px);
  transform-style: preserve-3d;
}

.nexis-inst-card {
  padding: 18px;
  cursor: default;
  transform: translateZ(0px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
}

.nexis-inst-card:hover {
  transform: translateZ(8px) scale(1.01);
  background: var(--nexis-surface-hover);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: var(--nexis-shadow-md);
}

.nexis-inst-card:active {
  transform: translateZ(2px) scale(0.995);
}

.nexis-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.nexis-card-tag {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--nexis-accent-soft);
  color: var(--nexis-accent);
}

.nexis-card-tag.cyan { background: var(--nexis-cyan-soft); color: var(--nexis-cyan); }
.nexis-card-tag.gold { background: var(--nexis-gold-soft); color: var(--nexis-gold); }
.nexis-card-tag.neutral { background: rgba(255, 255, 255, 0.05); color: var(--nexis-text-secondary); }

.nexis-card-icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nexis-card-icon-wrap svg {
  width: 16px;
  height: 16px;
  stroke: var(--nexis-text-secondary);
  stroke-width: 1.5;
  fill: none;
}

.nexis-card-body {
  flex: 1;
}

.nexis-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--nexis-text-primary);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.nexis-card-desc {
  font-size: 11px;
  line-height: 1.55;
  color: var(--nexis-text-tertiary);
  font-weight: 400;
}

.nexis-card-stats {
  display: flex;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--nexis-border-light);
}

.nexis-c-stat {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.nexis-c-stat-val {
  font-family: var(--nexis-font-mono);
  font-size: 16px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--nexis-accent);
  letter-spacing: -0.02em;
}

.nexis-c-stat-val.cyan { color: var(--nexis-cyan); }
.nexis-c-stat-val.gold { color: var(--nexis-gold); }
.nexis-c-stat-val.neutral { color: var(--nexis-text-secondary); }

.nexis-c-stat-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nexis-text-tertiary);
  font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════════
   GRAPH PANEL
   ═══════════════════════════════════════════════════════════════ */

.nexis-graph-panel {
  padding: 0;
  overflow: hidden;
  transform: translateZ(4px);
  display: flex;
  flex-direction: column;
  min-height: 280px;
}

.nexis-graph-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--nexis-border-light);
  flex-shrink: 0;
}

.nexis-graph-bar-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--nexis-text-primary);
  letter-spacing: -0.01em;
}

.nexis-graph-bar-sub {
  font-family: var(--nexis-font-mono);
  font-size: 11px;
  color: var(--nexis-text-tertiary);
}

.nexis-graph-bar-sub span { color: var(--nexis-cyan); }

.nexis-graph-canvas-wrap {
  flex: 1;
  position: relative;
  min-height: 0;
}

#nexis-graph-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* ═══════════════════════════════════════════════════════════════
   MODULES LIST
   ═══════════════════════════════════════════════════════════════ */

.nexis-modules-panel {
  transform: translateZ(2px);
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 280px;
}

.nexis-modules-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--nexis-border-light);
  flex-shrink: 0;
}

.nexis-modules-bar-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--nexis-text-primary);
}

.nexis-modules-count {
  font-family: var(--nexis-font-mono);
  font-size: 10px;
  color: var(--nexis-text-tertiary);
  background: rgba(255, 255, 255, 0.04);
  padding: 2px 8px;
  border-radius: 4px;
}

.nexis-modules-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}

.nexis-modules-list::-webkit-scrollbar { width: 0; }

.nexis-mod-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: var(--nexis-radius-sm);
  transition: background 0.2s ease, opacity 0.2s ease;
  cursor: default;
  position: relative;
}

.nexis-mod-item:hover {
  background: rgba(255, 255, 255, 0.03);
}

.nexis-mod-item + .nexis-mod-item {
  border-top: 1px solid var(--nexis-border-light);
}

.nexis-mod-item:hover + .nexis-mod-item { border-top-color: transparent; }

.nexis-mod-indicator {
  width: 3px;
  height: 100%;
  min-height: 36px;
  border-radius: 2px;
  background: var(--nexis-accent);
  flex-shrink: 0;
  opacity: 0.6;
}

.nexis-mod-indicator.cyan { background: var(--nexis-cyan); }
.nexis-mod-indicator.off { background: var(--nexis-text-tertiary); opacity: 0.2; }

.nexis-mod-body {
  flex: 1;
  min-width: 0;
}

.nexis-mod-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--nexis-text-primary);
  margin-bottom: 3px;
}

.nexis-mod-desc {
  font-size: 10px;
  color: var(--nexis-text-tertiary);
  line-height: 1.5;
  margin-bottom: 8px;
}

.nexis-mod-badges {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.nexis-mod-badge {
  font-family: var(--nexis-font-mono);
  font-size: 9px;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--nexis-text-tertiary);
  letter-spacing: 0.02em;
}

.nexis-mod-badge.amber { background: var(--nexis-accent-soft); color: var(--nexis-accent); }
.nexis-mod-badge.cyan { background: var(--nexis-cyan-soft); color: var(--nexis-cyan); }
.nexis-mod-badge.off { opacity: 0.4; }

.nexis-mod-item.inactive {
  opacity: 0.35;
}

.nexis-mod-item.inactive:hover {
  opacity: 0.55;
}

/* ═══════════════════════════════════════════════════════════════
   BOTTOMBAR
   ═══════════════════════════════════════════════════════════════ */

.nexis-bottombar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  flex-shrink: 0;
  transform: translateZ(0px);
  border-radius: var(--nexis-radius-md);
  background: transparent;
  border: none;
}

.nexis-bottom-links {
  display: flex;
  gap: 20px;
}

.nexis-bottom-link {
  font-size: 11px;
  color: var(--nexis-text-tertiary);
  cursor: default;
  transition: color 0.2s ease;
  font-weight: 400;
}

.nexis-bottom-link:hover { color: var(--nexis-text-secondary); }

.nexis-bottom-right {
  font-size: 10px;
  color: var(--nexis-text-tertiary);
  opacity: 0.5;
  font-family: var(--nexis-font-mono);
}

/* ═══════════════════════════════════════════════════════════════
   AUTH PAGES (LOGIN/REGISTER)
   ═══════════════════════════════════════════════════════════════ */

.nexis-auth-page {
  min-height: 100vh;
  background: var(--nexis-bg);
  color: var(--nexis-text-primary);
  font-family: var(--nexis-font-ui);
  overflow-x: hidden;
}

.nexis-auth-page * {
  box-sizing: border-box;
}

.nexis-auth-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.nexis-auth-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 40px;
}

.nexis-auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--nexis-text-primary);
  font-family: var(--nexis-font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.nexis-auth-brand-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--nexis-accent) 0%, #e8891a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nexis-auth-brand-icon svg {
  width: 14px;
  height: 14px;
  stroke: #fff;
  stroke-width: 1.8;
  fill: none;
}

.nexis-auth-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nexis-auth-link {
  color: var(--nexis-text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.nexis-auth-link:hover {
  color: var(--nexis-text-primary);
}

.nexis-auth-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(380px, 450px);
  gap: 28px;
  align-items: stretch;
}

.nexis-panel {
  background: var(--nexis-surface);
  backdrop-filter: blur(40px) saturate(1.4);
  -webkit-backdrop-filter: blur(40px) saturate(1.4);
  border: 1px solid var(--nexis-border);
  border-radius: var(--nexis-radius-2xl);
  box-shadow: var(--nexis-shadow-lg);
  overflow: hidden;
}

.nexis-hero {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
  position: relative;
  overflow: hidden;
  min-height: 400px;
}

.nexis-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 159, 28, 0.06)),
    radial-gradient(circle at 80% 20%, rgba(255, 159, 28, 0.08), transparent 30%);
  pointer-events: none;
}

.nexis-hero > * {
  position: relative;
  z-index: 1;
}

.nexis-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 159, 28, 0.12);
  border: 1px solid rgba(255, 159, 28, 0.25);
  color: var(--nexis-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nexis-kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--nexis-accent);
  box-shadow: 0 0 8px var(--nexis-accent);
  animation: nexis-soft-pulse 3s ease-in-out infinite;
}

.nexis-hero h1 {
  margin: 0;
  font-family: var(--nexis-font-ui);
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.96;
  color: var(--nexis-text-primary);
}

.nexis-hero p {
  margin: 0;
  max-width: 32rem;
  color: var(--nexis-text-secondary);
  font-size: 1.05rem;
  line-height: 1.65;
}

.nexis-iq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.nexis-iq-card {
  padding: 20px 18px;
  border-radius: var(--nexis-radius-xl);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--nexis-border-light);
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.nexis-iq-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

.nexis-iq-card--primary {
  border-color: rgba(255, 159, 28, 0.35);
  background: linear-gradient(180deg, rgba(255, 159, 28, 0.08), rgba(255, 159, 28, 0.04));
}

.nexis-iq-label {
  margin-bottom: 14px;
  color: var(--nexis-text-tertiary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nexis-iq-value {
  color: var(--nexis-text-primary);
  font-family: var(--nexis-font-ui);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 1;
}

.nexis-iq-card--primary .nexis-iq-value {
  color: var(--nexis-accent);
}

.nexis-iq-meta {
  margin-top: 8px;
  color: var(--nexis-text-secondary);
  font-size: 0.96rem;
  font-weight: 600;
}

.nexis-iq-card--primary .nexis-iq-meta {
  color: var(--nexis-accent);
}

/* ═══════════════════════════════════════════════════════════════
   SIGN IN FORM
   ═══════════════════════════════════════════════════════════════ */

.nexis-signin {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.nexis-signin__header h2 {
  margin: 0;
  color: var(--nexis-text-primary);
  font-family: var(--nexis-font-ui);
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.nexis-signin__header p {
  margin: 8px 0 0;
  color: var(--nexis-text-secondary);
  line-height: 1.6;
}

.nexis-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.nexis-form__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nexis-form__label {
  color: var(--nexis-text-secondary);
  font-size: 0.92rem;
  font-weight: 600;
}

.nexis-form__input-wrap {
  position: relative;
}

.nexis-form input {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid var(--nexis-border);
  border-radius: var(--nexis-radius-md);
  background: rgba(255, 255, 255, 0.03);
  color: var(--nexis-text-primary);
  font-size: 0.98rem;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  font-family: var(--nexis-font-ui);
}

.nexis-form input::placeholder {
  color: var(--nexis-text-tertiary);
}

.nexis-form input:focus {
  border-color: var(--nexis-accent);
  box-shadow: 0 0 0 4px rgba(255, 159, 28, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.nexis-form__toggle {
  position: absolute;
  top: 50%;
  right: 14px;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--nexis-text-secondary);
  cursor: pointer;
  transition: background 0.2s ease;
}

.nexis-form__toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}

.nexis-form input[type="submit"],
.nexis-form__submit {
  min-height: 54px;
  border: 0;
  border-radius: var(--nexis-radius-md);
  background: linear-gradient(135deg, var(--nexis-accent) 0%, #e8891a 100%);
  color: #fff;
  font-size: 0.98rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
  box-shadow: 0 14px 32px rgba(255, 159, 28, 0.22);
}

.nexis-form input[type="submit"]:hover,
.nexis-form__submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(255, 159, 28, 0.26);
}

.nexis-form__submit.mn-is-loading {
  opacity: 0.75;
  cursor: wait;
}

.nexis-signin__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.nexis-signin__footer a,
.nexis-signin__footer button {
  color: var(--nexis-text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s ease;
}

.nexis-signin__footer a:hover,
.nexis-signin__footer button:hover {
  color: var(--nexis-text-primary);
}

.nexis-form__divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--nexis-text-tertiary);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nexis-form__divider::before,
.nexis-form__divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--nexis-border);
}

.nexis-form__error,
.nexis-form__success {
  padding: 12px 14px;
  border-radius: var(--nexis-radius-md);
  font-size: 0.92rem;
  line-height: 1.5;
}

.nexis-form__error {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.nexis-form__success {
  background: rgba(34, 197, 94, 0.12);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.25);
}

/* ═══════════════════════════════════════════════════════════════
   MODAL
   ═══════════════════════════════════════════════════════════════ */

.nexis-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
}

.nexis-modal.hidden {
  display: none;
}

.nexis-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.nexis-modal__panel {
  position: relative;
  width: min(520px, 100%);
  padding: 24px;
  border-radius: var(--nexis-radius-xl);
  background: #1a1a1e;
  border: 1px solid var(--nexis-border);
  box-shadow: var(--nexis-shadow-lg);
}

.nexis-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.nexis-modal__title {
  color: var(--nexis-text-primary);
  font-family: var(--nexis-font-ui);
  font-size: 1.5rem;
  font-weight: 700;
}

.nexis-modal__close {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--nexis-text-secondary);
  cursor: pointer;
  transition: background 0.2s ease;
}

.nexis-modal__close:hover {
  background: rgba(255, 255, 255, 0.12);
}

.nexis-modal__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.nexis-modal__desc {
  margin: 0;
  color: var(--nexis-text-secondary);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════════════ */

@keyframes nexis-shake {
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
  100% { transform: translateX(0); }
}

.nexis-shake-error {
  animation: nexis-shake 0.36s ease;
}

/* ═══════════════════════════════════════════════════════════════
   DASHBOARD STYLES
   ═══════════════════════════════════════════════════════════════ */

.nexis-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  padding: 20px;
}

.nexis-dashboard-card {
  padding: 20px;
  background: var(--nexis-surface);
  backdrop-filter: blur(40px) saturate(1.4);
  -webkit-backdrop-filter: blur(40px) saturate(1.4);
  border: 1px solid var(--nexis-border);
  border-radius: var(--nexis-radius-lg);
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.nexis-dashboard-card:hover {
  transform: translateY(-2px);
  background: var(--nexis-surface-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

.nexis-dashboard-card h3 {
  margin: 0 0 16px 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--nexis-text-primary);
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════════════════════
   AUTH CONTAINER & BRANDING
   ═══════════════════════════════════════════════════════════════ */

.nexis-auth-container {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.nexis-auth-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 40px;
}

.nexis-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--nexis-text-primary);
  font-family: var(--nexis-font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.nexis-brand-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--nexis-accent) 0%, #e8891a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}

.nexis-auth-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nexis-auth-link {
  color: var(--nexis-text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.nexis-auth-link:hover {
  color: var(--nexis-text-primary);
}

.nexis-auth-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(380px, 450px);
  gap: 28px;
  align-items: stretch;
}

/* ═══════════════════════════════════════════════════════════════
   HERO PANEL
   ═══════════════════════════════════════════════════════════════ */

.nexis-hero-panel {
  background: var(--nexis-surface);
  backdrop-filter: blur(40px) saturate(1.4);
  -webkit-backdrop-filter: blur(40px) saturate(1.4);
  border: 1px solid var(--nexis-border);
  border-radius: var(--nexis-radius-2xl);
  box-shadow: var(--nexis-shadow-lg);
  overflow: hidden;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
  position: relative;
  min-height: 400px;
}

.nexis-hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 159, 28, 0.06)),
    radial-gradient(circle at 80% 20%, rgba(255, 159, 28, 0.08), transparent 30%);
  pointer-events: none;
}

.nexis-hero-content {
  position: relative;
  z-index: 1;
}

.nexis-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 159, 28, 0.12);
  border: 1px solid rgba(255, 159, 28, 0.25);
  color: var(--nexis-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.nexis-kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--nexis-accent);
  box-shadow: 0 0 8px var(--nexis-accent);
  animation: nexis-soft-pulse 3s ease-in-out infinite;
}

.nexis-hero-title {
  margin: 0;
  font-family: var(--nexis-font-ui);
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.96;
  color: var(--nexis-text-primary);
}

.nexis-hero-desc {
  margin: 0;
  max-width: 32rem;
  color: var(--nexis-text-secondary);
  font-size: 1.05rem;
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════════════
   IQ CARDS
   ═══════════════════════════════════════════════════════════════ */

.nexis-iq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.nexis-iq-card {
  padding: 20px 18px;
  border-radius: var(--nexis-radius-xl);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--nexis-border-light);
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.nexis-iq-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

.nexis-iq-card--primary {
  border-color: rgba(255, 159, 28, 0.35);
  background: linear-gradient(180deg, rgba(255, 159, 28, 0.08), rgba(255, 159, 28, 0.04));
}

.nexis-iq-label {
  margin-bottom: 14px;
  color: var(--nexis-text-tertiary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nexis-iq-value {
  color: var(--nexis-text-primary);
  font-family: var(--nexis-font-ui);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 1;
}

.nexis-iq-card--primary .nexis-iq-value {
  color: var(--nexis-accent);
}

.nexis-iq-meta {
  margin-top: 8px;
  color: var(--nexis-text-secondary);
  font-size: 0.96rem;
  font-weight: 600;
}

.nexis-iq-card--primary .nexis-iq-meta {
  color: var(--nexis-accent);
}

/* ═══════════════════════════════════════════════════════════════
   SIGN IN PANEL
   ═══════════════════════════════════════════════════════════════ */

.nexis-glass-panel {
  background: var(--nexis-surface);
  backdrop-filter: blur(40px) saturate(1.4);
  -webkit-backdrop-filter: blur(40px) saturate(1.4);
  border: 1px solid var(--nexis-border);
  border-radius: var(--nexis-radius-2xl);
  box-shadow: var(--nexis-shadow-lg);
  overflow: hidden;
}

.nexis-signin-panel {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.nexis-signin-header {
  margin-bottom: 8px;
}

.nexis-signin-header h2 {
  margin: 0;
  color: var(--nexis-text-primary);
  font-family: var(--nexis-font-ui);
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.nexis-signin-header p {
  margin: 8px 0 0;
  color: var(--nexis-text-secondary);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════
   FORM STYLES
   ═══════════════════════════════════════════════════════════════ */

.nexis-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.nexis-form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nexis-form-label {
  color: var(--nexis-text-secondary);
  font-size: 0.92rem;
  font-weight: 600;
}

.nexis-input-wrap {
  position: relative;
}

.nexis-input {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid var(--nexis-border);
  border-radius: var(--nexis-radius-md);
  background: rgba(255, 255, 255, 0.03);
  color: var(--nexis-text-primary);
  font-size: 0.98rem;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  font-family: var(--nexis-font-ui);
}

.nexis-input::placeholder {
  color: var(--nexis-text-tertiary);
}

.nexis-input:focus {
  border-color: var(--nexis-accent);
  box-shadow: 0 0 0 4px rgba(255, 159, 28, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

/* Invalid state for form validation */
.nexis-input:invalid:not(:placeholder-shown),
.nexis-input.user-invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
  background: rgba(239, 68, 68, 0.03);
}

.nexis-input-toggle {
  position: absolute;
  top: 50%;
  right: 14px;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--nexis-text-secondary);
  cursor: pointer;
  transition: background 0.2s ease;
}

.nexis-input-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}

.nexis-btn {
  min-height: 54px;
  border: 0;
  border-radius: var(--nexis-radius-md);
  background: linear-gradient(135deg, var(--nexis-accent) 0%, #e8891a 100%);
  color: #fff;
  font-size: 0.98rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
  box-shadow: 0 14px 32px rgba(255, 159, 28, 0.22);
  width: 100%;
}

.nexis-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(255, 159, 28, 0.26);
}

.nexis-btn:disabled,
.nexis-btn.mn-is-loading {
  opacity: 0.75;
  cursor: wait;
}

.nexis-signin-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.nexis-signin-footer a,
.nexis-signin-footer button {
  color: var(--nexis-text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s ease;
}

.nexis-signin-footer a:hover,
.nexis-signin-footer button:hover {
  color: var(--nexis-text-primary);
}

.nexis-form-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--nexis-text-tertiary);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nexis-form-divider::before,
.nexis-form-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--nexis-border);
}

.nexis-form-error {
  padding: 12px 14px;
  border-radius: var(--nexis-radius-md);
  font-size: 0.92rem;
  line-height: 1.5;
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.nexis-form-success {
  padding: 12px 14px;
  border-radius: var(--nexis-radius-md);
  font-size: 0.92rem;
  line-height: 1.5;
  background: rgba(34, 197, 94, 0.12);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.25);
}

/* ═══════════════════════════════════════════════════════════════
   MODAL
   ═══════════════════════════════════════════════════════════════ */

.nexis-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
}

.nexis-modal.hidden {
  display: none;
}

.nexis-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.nexis-modal-panel {
  position: relative;
  width: min(520px, 100%);
  padding: 24px;
  border-radius: var(--nexis-radius-xl);
  background: var(--nexis-bg);
  border: 1px solid var(--nexis-border);
  box-shadow: var(--nexis-shadow-lg);
  z-index: 1;
}

.nexis-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.nexis-modal-title {
  color: var(--nexis-text-primary);
  font-family: var(--nexis-font-ui);
  font-size: 1.5rem;
  font-weight: 700;
}

.nexis-modal-close {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--nexis-text-secondary);
  cursor: pointer;
  transition: background 0.2s ease;
}

.nexis-modal-close:hover {
  background: rgba(255, 255, 255, 0.12);
}

.nexis-modal-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.nexis-modal-desc {
  margin: 0;
  color: var(--nexis-text-secondary);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════════════ */

@keyframes nexis-shake {
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
  100% { transform: translateX(0); }
}

.nexis-shake-error {
  animation: nexis-shake 0.36s ease;
}

@keyframes nexis-soft-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 1200px) {
  .nexis-card-row { grid-template-columns: repeat(2, 1fr); }
  .nexis-auth-grid { grid-template-columns: 1fr; }
  .nexis-topbar-metrics { display: none; }
}

@media (max-width: 768px) {
  .nexis-scene-inner {
    padding: 16px;
    overflow-y: auto;
  }
  .nexis-scene { perspective: none; }
  .nexis-scene-inner { transform: none; }
  .nexis-card-row { grid-template-columns: 1fr; }
  .nexis-inst-card:hover { transform: none; }
  .nexis-bottombar { display: none; }
  .nexis-auth-grid { grid-template-columns: 1fr; }
  .nexis-hero-panel, .nexis-signin-panel { padding: 24px; }
}

/* ═══════════════════════════════════════════════════════════════
   DASHBOARD VIEWS
   ═══════════════════════════════════════════════════════════════ */

.nexis-dashboard-view {
  width: 100%;
  min-height: 100vh;
  background: var(--nexis-bg);
  padding: 28px 32px;
}

.nexis-view-header {
  text-align: center;
  margin-bottom: 32px;
}

.nexis-view-title {
  font-family: var(--nexis-font-ui);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--nexis-text-primary);
  margin: 0 0 8px 0;
  text-transform: uppercase;
}

.nexis-view-subtitle {
  font-size: 0.95rem;
  color: var(--nexis-text-secondary);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
}

.nexis-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  max-width: 1400px;
  margin: 0 auto;
}

.nexis-dashboard-card {
  padding: 20px;
  background: var(--nexis-surface);
  backdrop-filter: blur(40px) saturate(1.4);
  -webkit-backdrop-filter: blur(40px) saturate(1.4);
  border: 1px solid var(--nexis-border);
  border-radius: var(--nexis-radius-lg);
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.nexis-dashboard-card:hover {
  transform: translateY(-2px);
  background: var(--nexis-surface-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

.nexis-dashboard-card h3 {
  margin: 0 0 16px 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--nexis-text-primary);
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.nexis-dashboard-widget {
  min-height: 100px;
}

/* Learning, Analytics, Settings Grids */
.nexis-learning-grid,
.nexis-analytics-grid,
.nexis-settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

.nexis-learning-card,
.nexis-analytics-card,
.nexis-settings-card {
  padding: 20px;
  background: var(--nexis-surface);
  backdrop-filter: blur(40px) saturate(1.4);
  -webkit-backdrop-filter: blur(40px) saturate(1.4);
  border: 1px solid var(--nexis-border);
  border-radius: var(--nexis-radius-lg);
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.nexis-learning-card:hover,
.nexis-analytics-card:hover,
.nexis-settings-card:hover {
  transform: translateY(-2px);
  background: var(--nexis-surface-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

.nexis-learning-card h3,
.nexis-analytics-card h3,
.nexis-settings-card h3 {
  margin: 0 0 16px 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--nexis-text-primary);
  letter-spacing: -0.01em;
  text-transform: uppercase;
}