@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
  --bg: #1a1a2e;
  --bg-card: #16213e;
  --bg-input: #0f3460;
  --accent: #e94560;
  --accent-hover: #ff6b81;
  --secondary: #0f3460;
  --text: #eaeaea;
  --text-muted: #8892b0;
  --success: #00d2d3;
  --warning: #feca57;
  --danger: #ff6348;
  --border: #233554;
  --radius: 12px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

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

/* Header */
header {
  background: linear-gradient(135deg, var(--secondary), var(--bg));
  border-bottom: 2px solid var(--accent);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
header h1 { font-size: 1.4rem; font-weight: 700; }
header h1 span { color: var(--accent); }
header nav { display: flex; gap: 12px; align-items: center; }
header nav button, .btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}
header nav button:hover, .btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}
.btn-secondary { background: var(--secondary); }
.btn-secondary:hover { background: #1a4a7a; }
.btn-sm { padding: 5px 10px; font-size: 0.78rem; }
.btn-success { background: var(--success); color: #1a1a2e; }
.btn-warning { background: var(--warning); color: #1a1a2e; }

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.3); }
.card h2 { font-size: 1.2rem; margin-bottom: 16px; color: var(--text); }
.card h3 { font-size: 1rem; margin-bottom: 12px; color: var(--text-muted); }

/* Grid */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* Stats */
.stat-value { font-size: 2.2rem; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }
.stat-row { display: flex; justify-content: space-around; text-align: center; flex-wrap: wrap; gap: 16px; }

/* NPS Gauge */
.nps-gauge { text-align: center; padding: 20px; }
.nps-gauge svg { max-width: 220px; }

/* Event Cards */
.event-card { cursor: pointer; position: relative; overflow: hidden; }
.event-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--accent);
  border-radius: var(--radius) 0 0 var(--radius);
}
.event-card .event-name { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.event-card .event-meta { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 12px; }
.event-card .event-stats { display: flex; gap: 20px; flex-wrap: wrap; }
.event-card .event-stats .stat { text-align: center; }
.event-card .event-stats .stat-num { font-size: 1.5rem; font-weight: 700; }
.nps-positive { color: var(--success); }
.nps-neutral { color: var(--warning); }
.nps-negative { color: var(--danger); }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.5px; }
td { font-size: 0.9rem; }
tr:hover td { background: rgba(233,69,96,0.05); }

/* Rating stars */
.stars { color: var(--warning); letter-spacing: 2px; }

/* Tags / Badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-positive { background: rgba(0,210,211,0.15); color: var(--success); }
.badge-negative { background: rgba(255,99,72,0.15); color: var(--danger); }
.badge-neutral { background: rgba(254,202,87,0.15); color: var(--warning); }
.badge-high { background: rgba(255,99,72,0.2); color: var(--danger); }
.badge-medium { background: rgba(254,202,87,0.2); color: var(--warning); }
.badge-low { background: rgba(0,210,211,0.2); color: var(--success); }

/* Action Items */
.action-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  transition: background 0.2s;
}
.action-item:hover { background: rgba(255,255,255,0.02); }
.action-item.done { opacity: 0.5; }
.action-item.done .action-desc { text-decoration: line-through; }
.action-item input[type="checkbox"] {
  width: 20px; height: 20px; accent-color: var(--accent);
  cursor: pointer; flex-shrink: 0;
}
.action-desc { flex: 1; }
.action-meta { font-size: 0.78rem; color: var(--text-muted); }

/* Word Cloud */
.word-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 20px;
  min-height: 120px;
}
.word-cloud span {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  transition: transform 0.2s;
  cursor: default;
}
.word-cloud span:hover { transform: scale(1.15); }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  justify-content: center;
  align-items: center;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  max-width: 550px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}
.modal h2 { margin-bottom: 20px; }
.modal-close {
  float: right;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}
.modal-close:hover { color: var(--text); }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 80px; }

/* Dropzone */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: rgba(233,69,96,0.05);
}
.dropzone p { color: var(--text-muted); margin-top: 8px; }
.dropzone .icon { font-size: 2.5rem; margin-bottom: 8px; }

/* Sentiment Bars */
.sentiment-bar-wrap { margin-bottom: 12px; }
.sentiment-bar-label { display: flex; justify-content: space-between; font-size: 0.85rem; margin-bottom: 4px; }
.sentiment-bar { height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; display: flex; }
.sentiment-bar .pos { background: var(--success); }
.sentiment-bar .neu { background: var(--warning); }
.sentiment-bar .neg { background: var(--danger); }

/* Chart container */
.chart-container { position: relative; height: 300px; }

/* Tabs */
.tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 2px solid var(--border); }
.tab {
  padding: 10px 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Back button */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
}
.back-btn:hover { color: var(--text); }

/* Loading */
.loading { text-align: center; padding: 40px; color: var(--text-muted); }

/* Toast */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 14px 20px;
  z-index: 300;
  animation: slideIn 0.3s ease;
  max-width: 350px;
}
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }
@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
  .stat-value { font-size: 1.6rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  header h1 { font-size: 1.1rem; }
  .card { padding: 16px; }
  .modal { padding: 20px; }
  .tabs { overflow-x: auto; }
  .tab { padding: 8px 14px; font-size: 0.82rem; white-space: nowrap; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }