:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --surface2: #1e1e1e;
  --border: #2a2a2a;
  --text: #f0f0f0;
  --text2: #888;
  --accent: #ff6b9d;
  --accent2: #ff4081;
  --green: #4ade80;
  --red: #f87171;
  --radius: 12px;
  --max-w: 480px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px;
  min-height: 100vh;
}

/* Header */
.header {
  text-align: center;
  padding: 24px 0 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.header h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.header h1 span { color: var(--accent); }
.header p {
  color: var(--text2);
  font-size: 14px;
  margin-top: 4px;
}

/* Event card */
.event-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: border-color 0.2s;
}
.event-card:hover, .event-card:active {
  border-color: var(--accent);
}
.event-card h3 { font-size: 18px; font-weight: 700; }
.event-card .meta {
  color: var(--text2);
  font-size: 13px;
  margin-top: 4px;
}
.event-card .pool {
  color: var(--accent);
  font-size: 20px;
  font-weight: 800;
  margin-top: 8px;
}
.event-card .pool small {
  font-size: 12px;
  font-weight: 400;
  color: var(--text2);
}

/* Back button */
.back-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 15px;
  cursor: pointer;
  padding: 8px 0;
  margin-bottom: 8px;
}

/* Event detail */
.event-detail h2 {
  font-size: 22px;
  font-weight: 800;
}
.event-detail .venue {
  color: var(--text2);
  font-size: 14px;
  margin-top: 2px;
}
.total-pool {
  text-align: center;
  padding: 20px;
  margin: 16px 0;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--accent);
}
.total-pool .amount {
  font-size: 36px;
  font-weight: 900;
  color: var(--accent);
}
.total-pool .label {
  font-size: 13px;
  color: var(--text2);
  margin-top: 2px;
}

/* Prime card */
.prime-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}
.prime-card.awarded {
  opacity: 0.7;
  border-color: var(--green);
}
.prime-card h4 {
  font-size: 16px;
  font-weight: 700;
}
.prime-card .lap {
  color: var(--text2);
  font-size: 13px;
}
.prime-card .pool-amount {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  margin-top: 8px;
}
.prime-card .contributors {
  color: var(--text2);
  font-size: 12px;
  margin-top: 2px;
}
.prime-card .winner {
  margin-top: 8px;
  padding: 8px 12px;
  background: rgba(74, 222, 128, 0.1);
  border-radius: 8px;
  font-weight: 600;
  color: var(--green);
  font-size: 14px;
}

/* Chip in button */
.chip-btn {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 12px;
  transition: background 0.2s;
}
.chip-btn:hover { background: var(--accent2); }
.chip-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Contribution feed */
.feed {
  margin-top: 12px;
}
.feed-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  animation: slideIn 0.3s ease;
}
.feed-item .name { font-weight: 600; }
.feed-item .amount { color: var(--accent); font-weight: 700; }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}
.modal {
  background: var(--surface2);
  border-radius: 20px 20px 0 0;
  padding: 24px;
  width: 100%;
  max-width: var(--max-w);
  max-height: 80vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}
.modal h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* Amount picker */
.amount-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}
.amount-opt {
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: none;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.2s;
}
.amount-opt.selected, .amount-opt:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.custom-amount {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font-size: 18px;
  text-align: center;
  margin-bottom: 16px;
}
.custom-amount:focus {
  outline: none;
  border-color: var(--accent);
}

.donor-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--success, var(--text));
  font-size: 15px;
  margin-bottom: 16px;
}
.donor-input:focus {
  outline: none;
  border-color: var(--accent);
}
.donor-input::placeholder { color: var(--text2); }

/* Status messages */
.status-msg {
  text-align: center;
  padding: 40px 20px;
  color: var(--text2);
}
.status-msg .spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.success-msg {
  text-align: center;
  padding: 20px;
}
.success-msg .check { font-size: 48px; }
.success-msg h4 { font-size: 18px; margin-top: 8px; }
.success-msg p { color: var(--text2); font-size: 14px; margin-top: 4px; }

/* Admin */
.admin-link {
  text-align: center;
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.admin-link a {
  color: var(--text2);
  font-size: 12px;
  text-decoration: none;
}