:root {
  --blue: #2563eb;
  --red: #ef4444;
  --yellow: #facc15;
  --green: #22c55e;
  --dark: #111827;
  --light: #f9fafb;
  --text: #1f2937;
  --muted: #4b5563;
  --border: #e5e7eb;
  --card: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: #f4f7fb;
  color: var(--text);
  line-height: 1.6;
}

body::before {
  content: "";
  display: block;
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--blue) 0%,
    var(--blue) 25%,
    var(--red) 25%,
    var(--red) 50%,
    var(--yellow) 50%,
    var(--yellow) 75%,
    var(--green) 75%,
    var(--green) 100%
  );
}

.hero {
  background: radial-gradient(circle at top right, rgba(34, 197, 94, 0.25), transparent 30%),
    linear-gradient(135deg, var(--dark), var(--blue));
  color: white;
  padding: 75px 8%;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(250, 204, 21, 0.12);
  right: -80px;
  top: -80px;
}

.tagline {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 14px;
  color: #bfdbfe;
  margin-bottom: 10px;
}

.hero h1 {
  font-size: 46px;
  margin-bottom: 16px;
  max-width: 900px;
}

.hero h1::after {
  content: "";
  display: block;
  width: 190px;
  height: 6px;
  margin-top: 18px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--blue),
    var(--red),
    var(--yellow),
    var(--green)
  );
}

.hero-text {
  max-width: 850px;
  font-size: 18px;
  color: #e5e7eb;
}

.dashboard {
  width: 92%;
  max-width: 1450px;
  margin: 35px auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 25px;
}

.stat-card {
  background: var(--card);
  padding: 22px;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.stat-card h3 {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 8px;
}

.stat-card p {
  font-size: 34px;
  font-weight: bold;
  color: var(--dark);
}

.stat-card.blue {
  border-top: 6px solid var(--blue);
}

.stat-card.green {
  border-top: 6px solid var(--green);
}

.stat-card.yellow {
  border-top: 6px solid var(--yellow);
}

.stat-card.red {
  border-top: 6px solid var(--red);
}

.workspace {
  display: grid;
  grid-template-columns: 0.9fr 1.2fr;
  gap: 25px;
  margin-bottom: 30px;
}

.card {
  background: var(--card);
  padding: 28px;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(229, 231, 235, 0.9);
}

.card h2 {
  color: var(--dark);
  margin-bottom: 8px;
}

.card p {
  color: var(--muted);
  margin-bottom: 18px;
}

label {
  display: block;
  margin-top: 16px;
  margin-bottom: 6px;
  font-weight: bold;
  color: #374151;
}

input,
select,
textarea {
  width: 100%;
  padding: 13px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  font-size: 15px;
  outline: none;
  font-family: Arial, sans-serif;
  background: white;
}

textarea {
  min-height: 105px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

button {
  margin-top: 22px;
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  color: white;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s ease;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.25);
}

.secondary-btn {
  width: auto;
  margin-top: 0;
  padding: 12px 18px;
  background: linear-gradient(90deg, var(--red), var(--yellow));
  color: var(--dark);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.search-row {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 12px;
  margin-bottom: 18px;
}

.insight-box {
  background: var(--light);
  border: 1px solid var(--border);
  border-left: 5px solid var(--blue);
  border-radius: 14px;
  padding: 18px;
  margin-top: 16px;
}

.insight-box:nth-of-type(2) {
  border-left-color: var(--green);
}

.insight-box h3 {
  color: var(--dark);
  margin-bottom: 8px;
}

.insight-box p {
  color: #374151;
  margin-bottom: 0;
  white-space: pre-line;
}

.kanban-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.section-title {
  margin-bottom: 22px;
}

.section-title h2 {
  color: var(--dark);
}

.section-title p {
  color: var(--muted);
}

.kanban-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.kanban-column {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  min-height: 280px;
}

.kanban-column h3 {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  color: var(--dark);
}

.kanban-column[data-status="New"] {
  border-top: 6px solid var(--blue);
}

.kanban-column[data-status="Contacted"] {
  border-top: 6px solid var(--yellow);
}

.kanban-column[data-status="Interested"] {
  border-top: 6px solid var(--green);
}

.kanban-column[data-status="Closed"] {
  border-top: 6px solid var(--red);
}

.lead-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lead-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 15px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
}

.lead-card h4 {
  color: var(--dark);
  margin-bottom: 6px;
}

.lead-card p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 8px;
}

.score-pill {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: bold;
  background: rgba(37, 99, 235, 0.12);
  color: var(--blue);
  margin-bottom: 10px;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}

.card-actions button {
  margin-top: 0;
  padding: 9px;
  font-size: 12px;
}

.delete-btn {
  background: var(--red);
}

footer {
  text-align: center;
  padding: 28px;
  color: #6b7280;
  font-size: 14px;
}

@media (max-width: 1100px) {
  .stats-grid,
  .kanban-board {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 650px) {
  .hero h1 {
    font-size: 34px;
  }

  .hero {
    padding: 55px 7%;
  }

  .stats-grid,
  .kanban-board,
  .search-row {
    grid-template-columns: 1fr;
  }

  .panel-header {
    flex-direction: column;
  }

  .secondary-btn {
    width: 100%;
  }
}

.copy-btn {
  margin-top: 14px;
  width: auto;
  padding: 10px 14px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  color: white;
  font-size: 14px;
  font-weight: bold;
}

.priority-pill {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: bold;
  background: rgba(250, 204, 21, 0.18);
  color: #92400e;
  margin-left: 6px;
  margin-bottom: 10px;
}

.lead-card select {
  margin-top: 8px;
}