/* ─── FundTracer Design System ─── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap');

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

:root {
  --bg-primary: #0a0f0d;
  --bg-secondary: #111a15;
  --bg-card: #141f18;
  --bg-elevated: #1a2a20;
  --accent: #3ddc84;
  --accent-dim: #2ba866;
  --accent-glow: rgba(61, 220, 132, 0.12);
  --accent-hover: #4de894;
  --text-primary: #e8efe9;
  --text-secondary: #8fa898;
  --text-muted: #5a7063;
  --border: #1e2e24;
  --border-hover: #2a3e30;
  --danger: #ff4d4d;
  --warning: #ffb432;
  --info: #64a0ff;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
}

body {
  font-family: 'DM Sans', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ─── Nav ─── */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 15, 13, 0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  text-decoration: none;
}

.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.2s;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--accent-glow);
}

.nav-link.active {
  color: var(--accent);
  background: var(--accent-glow);
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--accent);
  color: var(--bg-primary);
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.nav-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.nav-btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(61, 220, 132, 0.3);
}

.nav-btn-outline:hover {
  background: var(--accent-glow);
}

/* ─── Container ─── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.page-content {
  padding-top: 5rem;
  min-height: 100vh;
}

/* ─── Typography ─── */
.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  font-weight: 600;
  margin-bottom: 1rem;
}

.page-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.12;
  margin-bottom: 1rem;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 600px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(61, 220, 132, 0.25);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(61, 220, 132, 0.3);
}

.btn-outline:hover {
  background: var(--accent-glow);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
  border-radius: var(--radius);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ─── Cards ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color 0.3s;
}

.card:hover {
  border-color: var(--border-hover);
}

/* ─── Forms ─── */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238fa898' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}

.form-select:focus {
  border-color: var(--accent);
}

/* ─── Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
  font-weight: 500;
}

.badge-free {
  background: rgba(100, 160, 255, 0.1);
  color: #64a0ff;
  border: 1px solid rgba(100, 160, 255, 0.2);
}

.badge-pro {
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(61, 220, 132, 0.2);
}

.badge-unclaimed {
  background: rgba(255, 180, 50, 0.12);
  color: #ffb432;
  border: 1px solid rgba(255, 180, 50, 0.2);
}

.badge-traced {
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(61, 220, 132, 0.2);
}

/* ─── Locked overlay ─── */
.locked-overlay {
  position: relative;
}

.locked-overlay .locked-content {
  filter: blur(4px);
  user-select: none;
  pointer-events: none;
}

.locked-overlay .lock-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 1rem 1.5rem;
  text-align: center;
  z-index: 2;
  box-shadow: var(--shadow);
}

/* ─── Alert ─── */
.alert {
  padding: 0.85rem 1.25rem;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.alert-error {
  background: rgba(255, 77, 77, 0.1);
  border: 1px solid rgba(255, 77, 77, 0.2);
  color: #ff4d4d;
}

.alert-success {
  background: var(--accent-glow);
  border: 1px solid rgba(61, 220, 132, 0.2);
  color: var(--accent);
}

.alert-info {
  background: rgba(100, 160, 255, 0.08);
  border: 1px solid rgba(100, 160, 255, 0.2);
  color: #64a0ff;
}

/* ─── Footer ─── */
.footer {
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  margin-top: 4rem;
}

.footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer a:hover { color: var(--accent); }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .nav { padding: 0.85rem 1.25rem; }
  .nav-links { gap: 0.15rem; }
  .nav-link { padding: 0.4rem 0.65rem; font-size: 0.82rem; }
  .container { padding: 0 1.25rem; }
  .page-content { padding-top: 4.5rem; }
  .hide-mobile { display: none !important; }
}

/* ─── Animations ─── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeIn 0.4s ease-out;
}

/* ─── Utilities ─── */
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }