:root {
  --bg: #070b14;
  --surface: #0d1320;
  --surface-2: #111827;
  --border: rgba(255, 255, 255, 0.08);

  --text: #f8fafc;
  --muted: #9ca3af;
  --muted-2: #6b7280;

  --blue: #004cff;
  --blue-soft: rgba(0, 76, 255, 0.12);

  --green: #34d399;
  --yellow: #fbbf24;
  --red: #fb7185;

  --radius: 18px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(
      circle at top left,
      rgba(0, 76, 255, 0.10),
      transparent 32%
    ),
    var(--bg);
  color: var(--text);

  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  line-height: 1.5;
}

button,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;

  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;

  color: var(--text);
  text-decoration: none;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 24px;
  height: 24px;
  border-radius: 7px;

  background:
    linear-gradient(
      135deg,
      #2f6fff,
      var(--blue)
    );

  box-shadow:
    0 0 28px rgba(0, 76, 255, 0.45);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;

  padding: 8px 12px;

  border: 1px solid var(--border);
  border-radius: 999px;

  color: var(--muted);
  font-size: 13px;
}

.status-dot {
  width: 7px;
  height: 7px;

  border-radius: 50%;
  background: var(--green);

  box-shadow:
    0 0 12px rgba(52, 211, 153, 0.6);
}

.hero {
  padding: 92px 0 68px;
  max-width: 860px;
}

.eyebrow {
  margin-bottom: 18px;

  color: #7aa0ff;

  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.hero h1 {
  margin: 0;

  font-size: clamp(44px, 7vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.055em;
  font-weight: 750;
}

.hero h1 span {
  display: block;
  color: var(--muted);
}

.hero-copy {
  max-width: 700px;
  margin: 30px 0 0;

  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.workspace {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;

  gap: 20px;
  align-items: stretch;

  margin-bottom: 86px;
}

.input-panel,
.result-panel {
  min-height: 560px;

  padding: 30px;

  border: 1px solid var(--border);
  border-radius: var(--radius);

  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.018),
      rgba(255, 255, 255, 0)
    ),
    var(--surface);

  box-shadow: var(--shadow);
}

.panel-heading,
.result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;

  gap: 18px;
  margin-bottom: 30px;
}

.panel-heading > div,
.result-header > div {
  display: flex;
  align-items: center;
  gap: 14px;
}

.step {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-width: 34px;
  height: 26px;

  border: 1px solid rgba(122, 160, 255, 0.25);
  border-radius: 999px;

  background: var(--blue-soft);
  color: #8eafff;

  font-size: 11px;
  font-weight: 700;
}

h2 {
  margin: 0;

  font-size: 21px;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

label {
  display: block;
  margin-bottom: 10px;

  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

textarea {
  width: 100%;
  min-height: 245px;
  resize: vertical;

  padding: 18px;

  border: 1px solid var(--border);
  border-radius: 14px;

  outline: none;

  background: #090f1a;
  color: var(--text);

  font-size: 15px;
  line-height: 1.65;

  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

textarea::placeholder {
  color: #596273;
}

textarea:focus {
  border-color: rgba(0, 76, 255, 0.7);

  box-shadow:
    0 0 0 4px rgba(0, 76, 255, 0.10);

  background: #0a111e;
}

.textarea-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;

  margin-top: 10px;
}

.textarea-footer span {
  color: var(--muted-2);
  font-size: 12px;
}

.text-button {
  padding: 0;

  border: 0;
  background: transparent;

  color: #7ca3ff;
  font-size: 13px;
  font-weight: 600;
}

.text-button:hover {
  color: #a9c1ff;
}

.primary-button {
  width: 100%;

  display: flex;
  align-items: center;
  justify-content: space-between;

  margin-top: 24px;
  padding: 15px 17px;

  border: 0;
  border-radius: 12px;

  background: var(--blue);
  color: white;

  font-weight: 700;

  box-shadow:
    0 14px 40px rgba(0, 76, 255, 0.24);

  transition:
    transform 150ms ease,
    filter 150ms ease;
}

.primary-button:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.primary-button:active {
  transform: translateY(0);
}

.validation-message {
  min-height: 20px;
  margin: 10px 0 0;

  color: var(--red);
  font-size: 12px;
}

.result-panel {
  position: relative;
}

.result-panel.empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-state {
  max-width: 310px;
  text-align: center;
}

.empty-icon {
  width: 58px;
  height: 58px;

  margin: 0 auto 20px;

  display: flex;
  align-items: center;
  justify-content: center;

  border: 1px solid var(--border);
  border-radius: 16px;

  background: rgba(255, 255, 255, 0.025);

  color: #769eff;
  font-size: 28px;
}

.empty-title {
  margin-bottom: 8px !important;

  color: var(--text) !important;
  font-size: 16px !important;
  font-weight: 700;
}

.empty-state p {
  margin: 0;

  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.hidden {
  display: none !important;
}

.risk-badge {
  padding: 7px 10px;

  border-radius: 999px;

  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.risk-high {
  background: rgba(251, 113, 133, 0.12);
  color: #fb8da0;
  border: 1px solid rgba(251, 113, 133, 0.2);
}

.risk-medium {
  background: rgba(251, 191, 36, 0.12);
  color: #f5c85a;
  border: 1px solid rgba(251, 191, 36, 0.2);
}

.risk-review {
  background: rgba(122, 160, 255, 0.12);
  color: #8cadff;
  border: 1px solid rgba(122, 160, 255, 0.2);
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;

  gap: 12px;
}

.summary-card {
  padding: 18px;

  border: 1px solid var(--border);
  border-radius: 13px;

  background: rgba(255, 255, 255, 0.018);
}

.summary-label {
  display: block;
  margin-bottom: 8px;

  color: var(--muted-2);

  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.summary-card strong {
  font-size: 15px;
}

.classification-block {
  margin-top: 14px;
  padding: 20px;

  border: 1px solid var(--border);
  border-radius: 13px;

  background: rgba(255, 255, 255, 0.018);
}

.classification-block h3 {
  margin: 0 0 9px;

  font-size: 18px;
  letter-spacing: -0.02em;
}

.classification-block p {
  margin: 0;

  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.controls-block,
.signals-block {
  margin-top: 24px;
}

.controls-list {
  display: grid;
  gap: 8px;
}

.control-item {
  display: flex;
  align-items: center;
  gap: 10px;

  padding: 11px 12px;

  border: 1px solid var(--border);
  border-radius: 10px;

  color: #d8deea;

  font-size: 13px;
}

.control-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 19px;
  height: 19px;

  border-radius: 6px;

  background: rgba(52, 211, 153, 0.10);
  color: var(--green);

  font-size: 11px;
  font-weight: 800;
}

.signals-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.signal-chip {
  padding: 7px 9px;

  border: 1px solid var(--border);
  border-radius: 999px;

  background: rgba(255, 255, 255, 0.018);
  color: var(--muted);

  font-size: 11px;
}

.methodology {
  display: grid;
  grid-template-columns: auto 1fr 1.3fr;

  gap: 26px;

  padding: 32px 0 78px;

  border-top: 1px solid var(--border);
}

.methodology > div > p {
  max-width: 520px;
  margin: 12px 0 0;

  color: var(--muted);

  font-size: 14px;
  line-height: 1.7;
}

.methodology-items {
  display: grid;
  gap: 10px;
}

.methodology-items > div {
  display: flex;
  align-items: center;
  gap: 12px;

  padding: 13px 14px;

  border: 1px solid var(--border);
  border-radius: 11px;

  background: rgba(255, 255, 255, 0.012);
}

.methodology-items strong {
  color: #759cff;
  font-size: 11px;
}

.methodology-items span {
  color: #c7ceda;
  font-size: 13px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;

  padding: 30px 0 42px;

  border-top: 1px solid var(--border);

  color: var(--muted);
}

footer > div {
  display: flex;
  flex-direction: column;
  gap: 4px;

  min-width: 200px;
}

footer strong {
  color: var(--text);
  font-size: 14px;
}

footer span {
  font-size: 12px;
}

footer p {
  max-width: 590px;
  margin: 0;

  text-align: right;
  font-size: 11px;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .methodology {
    grid-template-columns: auto 1fr;
  }

  .methodology-items {
    grid-column: 2;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 24px, 1180px);
  }

  .topbar {
    min-height: 64px;
  }

  .status {
    font-size: 11px;
  }

  .hero {
    padding: 66px 0 46px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .input-panel,
  .result-panel {
    min-height: auto;
    padding: 20px;
  }

  textarea {
    min-height: 220px;
  }

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

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

  .methodology-items {
    grid-column: auto;
  }

  footer {
    flex-direction: column;
  }

  footer p {
    text-align: left;
  }
}