:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #0f172a;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #2563eb;
  --accent-2: #3b82f6;
  --accent-3: #60a5fa;
  --danger: #ef4444;
  --ok: #22c55e;
  --warning: #eab308;
  --line: #334155;
  --shadow: rgba(0, 0, 0, 0.4);
  --card-bg: rgba(30, 41, 59, 0.5);
  --input-bg: rgba(51, 65, 85, 0.5);
  --radius: 0.625rem;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---- Container & Nav ---- */

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.brand-badge {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-3) 100%);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

.nav-links {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text);
}

/* ---- Buttons ---- */

.btn {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  padding: 10px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:hover {
  background: #334155;
  border-color: #475569;
}

.btn.primary {
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  border: none;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn.primary:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn.secondary {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}

.btn.secondary:hover {
  background: rgba(37, 99, 235, 0.1);
  border-color: var(--accent);
}

/* ---- Hero ---- */

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  padding: 48px 0 56px;
}

.hero-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  padding: 32px;
  border-radius: 16px;
  box-shadow: 0 16px 48px var(--shadow);
}

.hero h1 {
  font-size: 38px;
  margin: 0 0 14px;
  line-height: 1.2;
  background: linear-gradient(135deg, #f8fafc 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 15px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.stat {
  padding: 14px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--line);
  font-size: 13px;
}

/* ---- Sections ---- */

.section {
  padding: 48px 0;
}

.section h2 {
  margin: 0 0 20px;
  font-size: 24px;
  font-weight: 700;
}

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

.card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  min-height: 150px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.08);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
}

.card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(37, 99, 235, 0.25);
  color: var(--accent-3);
  margin-right: 6px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.panel {
  border: 1px solid var(--line);
  background: rgba(15, 23, 42, 0.7);
  border-radius: 14px;
  padding: 20px;
}

.footer {
  padding: 48px 0 64px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

/* ---- Modals ---- */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.75);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}

.modal.active {
  display: flex;
}

.modal-card {
  width: min(560px, 92vw);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

.modal-card h3 {
  margin: 0 0 16px;
  font-size: 20px;
}

/* ---- Inputs ---- */

.input {
  width: 100%;
  padding: 10px 14px;
  margin-bottom: 10px;
  border-radius: var(--radius);
  background: var(--input-bg);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s ease;
}

.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.input::placeholder {
  color: #64748b;
}

/* ---- Dashboard Layout ---- */

.dashboard {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: rgba(15, 23, 42, 0.95);
  border-right: 1px solid var(--line);
  padding: 20px;
  backdrop-filter: blur(16px);
}

.sidebar h3 {
  margin: 0 0 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  font-weight: 600;
}

.sidebar a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--muted);
  margin-bottom: 4px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.12s ease;
}

.sidebar a.active {
  background: rgba(37, 99, 235, 0.15);
  color: var(--accent-3);
}

.sidebar a:hover {
  background: rgba(37, 99, 235, 0.1);
  color: var(--text);
}

.content {
  padding: 28px;
  max-width: 1100px;
}

.content h2 {
  margin: 0 0 20px;
  font-size: 22px;
  font-weight: 700;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* ---- Table ---- */

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table th {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
}

.table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.4);
  text-align: left;
}

.table tbody tr:hover {
  background: rgba(37, 99, 235, 0.05);
}

/* ---- Badge ---- */

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 500;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.2);
  color: var(--accent-3);
  margin-bottom: 4px;
}

/* ---- Progress ---- */

.progress {
  height: 6px;
  background: rgba(15, 23, 42, 0.7);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #2563eb, #60a5fa);
  border-radius: 999px;
}

/* ---- Wizard ---- */

.wizard-steps {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.wizard-step {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.15s ease;
}

.wizard-step.active {
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

/* ---- Toggle ---- */

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

.toggle input {
  accent-color: var(--accent);
}

/* ---- Error ---- */

.error-text {
  color: var(--danger);
  font-size: 12px;
  margin-top: -6px;
  margin-bottom: 8px;
}

.input.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.15);
}

/* ---- List ---- */

.list {
  color: var(--muted);
  line-height: 1.8;
  padding-left: 18px;
  font-size: 14px;
}

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

/* ---- Responsive ---- */

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .split,
  .split-3 {
    grid-template-columns: 1fr;
  }
  .dashboard {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: sticky;
    top: 0;
    z-index: 10;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .section-grid {
    grid-template-columns: 1fr;
  }
  .stats {
    grid-template-columns: 1fr;
  }
  .nav {
    flex-direction: column;
    gap: 12px;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}