:root {
  --bg: #0b1020;
  --card-strong: rgba(9, 17, 34, 0.92);
  --line: rgba(169, 188, 255, 0.16);
  --text: #edf3ff;
  --muted: #9ba9c7;
  --accent: #8df3c4;
  --accent-strong: #64d9b0;
  --shadow: 0 30px 80px rgba(2, 6, 20, 0.45);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(52, 94, 255, 0.2), transparent 34%),
    radial-gradient(circle at bottom right, rgba(55, 212, 165, 0.22), transparent 30%),
    linear-gradient(145deg, #050814 0%, #0b1020 52%, #091729 100%);
}

.page-shell {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
}

.ambient {
  position: absolute;
  width: 32rem;
  height: 32rem;
  filter: blur(60px);
  opacity: 0.35;
  pointer-events: none;
}

.ambient-left {
  top: -9rem;
  left: -7rem;
  background: rgba(92, 125, 255, 0.35);
}

.ambient-right {
  right: -8rem;
  bottom: -10rem;
  background: rgba(74, 204, 168, 0.28);
}

.layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 1.5rem;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
  min-height: 100vh;
  align-items: center;
}

.hero-card,
.auth-card {
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(17, 28, 50, 0.84), rgba(8, 14, 28, 0.88));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 38px;
  border-radius: var(--radius-lg);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-card h1,
.auth-card h2 {
  margin: 0;
  font-family: "Avenir Next Condensed", "Arial Narrow", sans-serif;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-card h1 {
  max-width: 11ch;
  font-size: clamp(2.7rem, 6vw, 5.5rem);
}

.hero-copy {
  max-width: 42rem;
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.02rem;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.status-tile,
.panel {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.status-tile strong {
  display: block;
  margin: 14px 0 6px;
  font-size: 1.25rem;
}

.tile-label,
.tile-meta,
.helper-text,
.auth-message {
  color: var(--muted);
}

.security-note {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  margin-top: 28px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(141, 243, 196, 0.08);
  border: 1px solid rgba(141, 243, 196, 0.12);
}

.security-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(141, 243, 196, 0.75);
}

.auth-card {
  border-radius: var(--radius-lg);
  padding: 28px;
}

.auth-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.lock-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 50px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(100, 217, 176, 0.14);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
}

.login-form {
  margin-top: 24px;
}

.field {
  display: block;
  margin-bottom: 16px;
}

.field span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: #dbe6ff;
}

.password-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.field input {
  width: 100%;
  padding: 15px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--card-strong);
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.field input:focus {
  border-color: rgba(141, 243, 196, 0.55);
  box-shadow: 0 0 0 4px rgba(141, 243, 196, 0.08);
}

.text-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.85rem;
  transition: opacity 180ms ease;
}

.text-link:hover {
  opacity: 0.72;
}

.primary-button {
  appearance: none;
  width: 100%;
  padding: 15px 18px;
  margin-top: 8px;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #051017;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 18px 30px rgba(68, 193, 154, 0.22);
  transition: transform 180ms ease, opacity 180ms ease, box-shadow 180ms ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

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

.primary-button:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

.primary-button.loading .spinner {
  display: block;
}

.spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(5, 16, 23, 0.28);
  border-top-color: #051017;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.helper-text {
  margin: 12px 0 0;
  font-size: 0.92rem;
  line-height: 1.55;
}

.auth-message {
  min-height: 1.4em;
  margin: 12px 0 0;
  font-size: 0.92rem;
  line-height: 1.55;
}

.auth-message.error {
  color: #ff8e7b;
}

.legal-footer {
  margin-top: 32px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}

.legal-footer .dot {
  color: var(--muted);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(4, 7, 15, 0.75);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
  z-index: 999;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  width: min(420px, 100%);
  padding: 32px;
  border-radius: var(--radius-md);
  background: var(--card-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translateY(18px);
  transition: transform 220ms ease;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-content h3 {
  margin: 0 0 12px;
  font-size: 1.4rem;
  color: var(--text);
}

.modal-body {
  margin-bottom: 24px;
}

.modal-body p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.secondary-button {
  appearance: none;
  width: 100%;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 180ms ease;
}

.secondary-button:hover {
  background: rgba(255, 255, 255, 0.1);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .hero-card h1 {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .layout {
    width: min(100% - 20px, 1180px);
    padding: 20px 0;
  }

  .hero-card,
  .auth-card {
    padding: 22px;
  }

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

  .auth-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .lock-badge {
    align-self: stretch;
    text-align: center;
  }

  .password-header,
  .legal-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}