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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background: #0a0a0a;
  color: #e0e0e0;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  flex: 1;
}

header {
  background: #111;
  border-bottom: 2px solid #333;
  padding: 20px 0;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

h1 {
  font-size: 1.8rem;
  color: #fff;
  font-weight: 600;
}

.subtitle {
  font-size: 0.9rem;
  color: #888;
  margin-top: 5px;
}

nav a {
  color: #4a9eff;
  text-decoration: none;
  margin-left: 20px;
  transition: color 0.2s;
}

nav a:hover {
  color: #6bb3ff;
}

main {
  padding: 40px 0;
  flex: 1;
}

.tiles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.tile {
  background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
  border: 2px solid #333;
  border-radius: 12px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.tile:hover {
  border-color: #4a9eff;
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(74, 158, 255, 0.2);
}

.tile h2 {
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 15px;
}

.tile p {
  color: #aaa;
  font-size: 1rem;
}

.form-container {
  max-width: 500px;
  margin: 40px auto;
  background: #1a1a1a;
  border: 2px solid #333;
  border-radius: 12px;
  padding: 40px;
}

.form-container h2 {
  color: #fff;
  margin-bottom: 30px;
  text-align: center;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  color: #ccc;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 12px 15px;
  background: #0a0a0a;
  border: 2px solid #333;
  border-radius: 6px;
  color: #e0e0e0;
  font-size: 1rem;
  transition: border-color 0.2s;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: #4a9eff;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

button,
.btn {
  background: #4a9eff;
  color: #fff;
  padding: 12px 30px;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
  display: inline-block;
}

button:hover,
.btn:hover {
  background: #3a8eef;
}

.btn-secondary {
  background: #333;
  margin-left: 10px;
}

.btn-secondary:hover {
  background: #444;
}

.error {
  background: #2a1010;
  border: 1px solid #ff4444;
  color: #ff8888;
  padding: 15px;
  border-radius: 6px;
  margin-bottom: 20px;
}

.success {
  background: #102a10;
  border: 1px solid #44ff44;
  color: #88ff88;
  padding: 15px;
  border-radius: 6px;
  margin-bottom: 20px;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.dashboard-header h2 {
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.stat-card {
  background: #1a1a1a;
  border: 2px solid #333;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.stat-card h3 {
  color: #888;
  font-size: 0.9rem;
  font-weight: normal;
  margin-bottom: 10px;
}

.stat-card .number {
  color: #4a9eff;
  font-size: 2rem;
  font-weight: bold;
}

.pitch-card {
  background: #1a1a1a;
  border: 2px solid #333;
  border-radius: 8px;
  padding: 25px;
  margin-bottom: 20px;
}

.pitch-card h3 {
  color: #fff;
  margin-bottom: 10px;
}

.pitch-card p {
  color: #aaa;
  margin-bottom: 10px;
}

.pitch-card .meta {
  color: #666;
  font-size: 0.9rem;
  margin-top: 15px;
}

.video-container {
  margin: 20px 0;
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 6px;
}

.interest-buttons {
  display: flex;
  gap: 10px;
  margin-top: 15px;
}

.btn-interest {
  flex: 1;
  padding: 10px;
  border: 2px solid #333;
  background: #0a0a0a;
  color: #ccc;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s;
}

.btn-interest.active-interested {
  background: #1a4a1a;
  border-color: #44ff44;
  color: #88ff88;
}

.btn-interest.active-not-interested {
  background: #4a1a1a;
  border-color: #ff4444;
  color: #ff8888;
}

.btn-interest:hover {
  background: #1a1a1a;
}

.winner-badge {
  background: #ffd700;
  color: #000;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: bold;
  display: inline-block;
  margin-left: 10px;
}

footer {
  background: #111;
  border-top: 2px solid #333;
  padding: 25px 0;
  margin-top: 60px;
}

.footer-links {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
}

.footer-links a {
  color: #4a9eff;
  text-decoration: none;
  margin: 0 15px;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #6bb3ff;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: #666;
}

.empty-state h3 {
  color: #888;
  margin-bottom: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #333;
}

th {
  color: #888;
  font-weight: normal;
  font-size: 0.9rem;
}

td {
  color: #ccc;
}

.toggle-winner-btn {
  padding: 6px 12px;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .tiles-grid {
    grid-template-columns: 1fr;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    margin-top: 15px;
  }

  nav a {
    margin-left: 0;
    margin-right: 20px;
  }

  .footer-links a {
    display: block;
    margin: 10px 0;
  }
}