:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --ink: #0f172a;
  --muted: #5b6477;
  --line: #d9e1ee;
  --accent: #ff6b35;
  --accent-2: #116466;
  --good: #14804a;
  --bad: #b42318;
  --radius: 16px;
  --shadow: 0 18px 30px rgba(17, 26, 47, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 90% -10%, #ffd9cc 0%, transparent 35%),
    radial-gradient(circle at -20% 90%, #cde7e7 0%, transparent 30%),
    var(--bg);
  min-height: 100vh;
}

.bg-shape {
  position: fixed;
  z-index: 0;
  pointer-events: none;
  filter: blur(40px);
  opacity: 0.35;
}

.shape-1 {
  width: 260px;
  height: 260px;
  background: #ff6b35;
  top: -80px;
  right: -80px;
}

.shape-2 {
  width: 220px;
  height: 220px;
  background: #116466;
  bottom: -70px;
  left: -70px;
}

.layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: rgba(255, 255, 255, 0.92);
  border-right: 1px solid var(--line);
  backdrop-filter: blur(10px);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar h1 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.sidebar nav {
  display: grid;
  gap: 8px;
}

.sidebar a {
  color: var(--muted);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 10px;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.sidebar a:hover,
.sidebar a.active {
  background: #eef3fb;
  color: var(--ink);
  transform: translateX(4px);
}

.action {
  margin-top: auto;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), #ff8f6a);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(255, 107, 53, 0.3);
}

.content {
  padding: 28px;
  display: grid;
  gap: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  animation: fade-up 0.5s ease both;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

h2 {
  margin: 4px 0 0;
  font-size: 1.8rem;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: #eef7f3;
  color: #0c6c3d;
  font-weight: 600;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #2bc970;
  box-shadow: 0 0 0 0 rgba(43, 201, 112, 0.6);
  animation: pulse 1.8s infinite;
}

.kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  animation: fade-up 0.6s ease both;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.card h3 {
  margin: 10px 0;
  font-size: 1.45rem;
}

.trend {
  font-size: 0.9rem;
  font-weight: 600;
}

.trend.up {
  color: var(--good);
}

.trend.down {
  color: var(--bad);
}

.trend.neutral {
  color: var(--muted);
}

.lookup {
  padding: 18px;
}

.lookup-form {
  display: grid;
  gap: 10px;
}

.lookup-form label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.lookup-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.lookup-row input {
  border: 1px solid var(--line);
  border-radius: 12px;
  font: inherit;
  padding: 12px 14px;
}

.lookup-row button {
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-2), #2b7f82);
  cursor: pointer;
}

.lookup-row button:disabled {
  opacity: 0.7;
  cursor: wait;
}

.lookup-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  animation: fade-up 0.7s ease both;
}

.full {
  grid-column: 1 / -1;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.panel-head h3 {
  margin: 0;
}

.patent-title {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.patent-meta {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.5;
}

.meta-divider {
  margin: 0 6px;
  opacity: 0.7;
}

select {
  border-radius: 10px;
  border: 1px solid var(--line);
  padding: 8px 10px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

.chart {
  height: 220px;
  border-radius: 12px;
  background: linear-gradient(180deg, #f5f8ff 0%, #ffffff 100%);
  border: 1px dashed #cad5eb;
}

.sources {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.sources li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.sources li:last-child {
  border-bottom: 0;
}

.summary-text {
  margin: 0;
  color: var(--ink);
  line-height: 1.6;
}

.summary-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.summary-grid h4 {
  margin: 0 0 8px;
}

.summary-grid ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 8px;
}

/* Add to Portfolio button */
.btn-portfolio {
  border: 1.5px solid var(--accent-2);
  border-radius: 10px;
  padding: 7px 14px;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-2);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.btn-portfolio:hover {
  background: var(--accent-2);
  color: #fff;
}

.btn-portfolio--added {
  background: #eef7f3;
  border-color: var(--good);
  color: var(--good);
}

.btn-portfolio--added:hover {
  background: #fdf2f2;
  border-color: var(--bad);
  color: var(--bad);
}

/* Portfolio nav badge */
.portfolio-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
  vertical-align: middle;
  margin-left: 4px;
}

/* Portfolio page */
.portfolio-empty {
  padding: 32px 0;
  text-align: center;
  color: var(--muted);
}

.portfolio-entry {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.portfolio-entry:last-child {
  border-bottom: 0;
}

.portfolio-entry-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.portfolio-entry-id {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.portfolio-number {
  font-weight: 700;
  font-size: 1rem;
}

.portfolio-kind {
  font-size: 0.8rem;
  color: var(--muted);
  background: #eef3fb;
  border-radius: 6px;
  padding: 2px 7px;
}

.portfolio-status {
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 6px;
  padding: 2px 8px;
}

.status-granted {
  background: #eef7f3;
  color: var(--good);
}

.status-pending {
  background: #fff8ee;
  color: #92600a;
}

.portfolio-title {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.portfolio-meta {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px 16px;
}

.portfolio-meta div {
  display: flex;
  flex-direction: column;
}

.portfolio-meta dt {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.portfolio-meta dd {
  margin: 2px 0 0;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
}

.btn-remove {
  border: 1.5px solid var(--line);
  border-radius: 8px;
  padding: 5px 12px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.btn-remove:hover {
  border-color: var(--bad);
  color: var(--bad);
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(43, 201, 112, 0.6);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(43, 201, 112, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(43, 201, 112, 0);
  }
}

@keyframes fade-up {
  from {
    transform: translateY(12px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 1024px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .action {
    margin-top: 8px;
  }

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

@media (max-width: 720px) {
  .content {
    padding: 18px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .kpis,
  .grid {
    grid-template-columns: 1fr;
  }

  .lookup-row {
    grid-template-columns: 1fr;
  }

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

  .meta-divider {
    display: none;
  }
}