:root {
  --bg-color: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --border: rgba(255,255,255,0.1);
  --glass-blur: 12px;
  
  --status-active: #10b981;
  --status-out: #ef4444;
  --status-upcoming: #f59e0b;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  background-image: radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.1), transparent 25%),
                    radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.05), transparent 25%);
  background-attachment: fixed;
}

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 30px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-logo {
  font-size: 28px;
  color: var(--primary);
}
.brand-text strong {
  display: block;
  font-size: 18px;
  letter-spacing: 1px;
}
.brand-text small {
  color: var(--text-muted);
  font-size: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}
.btn-primary {
  background-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}
.btn-secondary {
  background-color: rgba(255,255,255,0.1);
  color: var(--text-main);
}
.btn-secondary:hover {
  background-color: rgba(255,255,255,0.15);
}

.main-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.stat-title {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
}
.stat-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-main);
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.chart-card {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}
.chart-card h3 {
  margin-bottom: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-muted);
}
.chart-card canvas {
  width: 100% !important;
  max-height: 300px;
}

.data-section {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

.data-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.search-input {
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 10px 16px;
  border-radius: 8px;
  font-family: inherit;
  min-width: 250px;
}
.search-input:focus {
  outline: none;
  border-color: var(--primary);
}

.table-container {
  overflow-x: auto;
}
.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.table th, .table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.table th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.table td {
  font-size: 14px;
}
.table tbody tr:hover {
  background: rgba(255,255,255,0.03);
}

.status-badge {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  display: inline-block;
}
.status-active { background: rgba(16, 185, 129, 0.2); color: var(--status-active); }
.status-out { background: rgba(239, 68, 68, 0.2); color: var(--status-out); }
.status-upcoming { background: rgba(245, 158, 11, 0.2); color: var(--status-upcoming); }

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: 0.2s;
}
.btn-icon:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-main);
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}
.modal.show {
  display: flex;
  opacity: 1;
}
.modal-content {
  background: var(--bg-color);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 90%;
  max-width: 500px;
  transform: translateY(20px);
  transition: transform 0.3s;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.modal.show .modal-content {
  transform: translateY(0);
}
.edit-modal-size {
  max-width: 600px;
}
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h2 {
  font-size: 18px;
}
.close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}
.close-btn:hover { color: var(--text-main); }

.modal-body {
  padding: 24px;
}

.upload-area {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: rgba(255,255,255,0.02);
}
.upload-area:hover, .upload-area.dragover {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.05);
}
.highlight {
  color: var(--primary);
  font-weight: 600;
}
.file-name {
  margin-top: 10px;
  font-size: 14px;
  color: var(--status-active);
  font-weight: 600;
}

.upload-status {
  margin-top: 16px;
  font-size: 14px;
  text-align: center;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Forms */
.edit-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 13px;
  color: var(--text-muted);
}
.form-group input {
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 10px;
  border-radius: 8px;
  font-family: inherit;
}
.form-group input:focus {
  outline: none;
  border-color: var(--primary);
}

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