/* VirtuaSport Admin — Dark Theme */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0D1B2A;
  --surface: #152238;
  --surface-light: #1C2E45;
  --border: #1E3548;
  --primary: #7ED321;
  --primary-dark: #5EA01B;
  --secondary: #00B4D8;
  --text: #FFFFFF;
  --text-secondary: #A0A0B8;
  --text-muted: #6B6B80;
  --error: #F44336;
  --success: #4CAF50;
  --gold: #FFD700;
  --gk: #FF9800;
  --def: #4CAF50;
  --mid: #2196F3;
  --fwd: #F44336;
  --sidebar-w: 260px;
  --radius: 12px;
}

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

/* LOGIN */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}
.login-logo {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  margin-bottom: 16px;
}
.login-box h1 {
  font-size: 22px;
  margin-bottom: 24px;
  color: var(--primary);
}
.login-box input {
  display: block;
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  outline: none;
}
.login-box input:focus { border-color: var(--primary); }
.login-error {
  background: rgba(244,67,54,0.15);
  color: var(--error);
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 12px;
  font-size: 14px;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: #0D1B2A; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: var(--error); color: white; }
.btn-danger:hover { background: #D32F2F; }
.btn-secondary { background: var(--surface-light); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-block { width: 100%; }

/* LAYOUT */
.main-layout {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 10;
}
.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}
.sidebar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}
.nav-list {
  list-style: none;
  padding: 12px 0;
  flex: 1;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  transition: all 0.2s;
}
.nav-link:hover, .nav-link.active {
  color: var(--text);
  background: rgba(126,211,33,0.1);
}
.nav-link.active {
  border-right: 3px solid var(--primary);
  color: var(--primary);
}
.nav-icon { font-size: 18px; width: 24px; text-align: center; }
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

/* CONTENT */
.content {
  flex: 1;
  margin-left: var(--sidebar-w);
  padding: 32px;
  min-height: 100vh;
}

/* PAGE HEADER */
.page-header {
  margin-bottom: 24px;
}
.page-header h2 {
  font-size: 24px;
  font-weight: 700;
}
.page-header p {
  color: var(--text-secondary);
  margin-top: 4px;
}

/* CARDS */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}

/* STAT GRID */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}
.stat-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
}
.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* TABLES */
.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
thead th {
  text-align: left;
  padding: 12px 16px;
  background: var(--surface-light);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
tbody tr:hover {
  background: rgba(126,211,33,0.05);
}
tbody tr:nth-child(even) {
  background: rgba(21,34,56,0.5);
}
tbody tr:nth-child(even):hover {
  background: rgba(126,211,33,0.05);
}

/* BADGES */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.badge-gk { background: rgba(255,152,0,0.2); color: var(--gk); }
.badge-def { background: rgba(76,175,80,0.2); color: var(--def); }
.badge-mid { background: rgba(33,150,243,0.2); color: var(--mid); }
.badge-fwd { background: rgba(244,67,54,0.2); color: var(--fwd); }

/* FORMS */
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-group input, .form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  outline: none;
}
.form-group input:focus { border-color: var(--primary); }
.form-inline {
  display: flex;
  gap: 8px;
  align-items: center;
}
.form-inline input { flex: 1; }

/* MODAL */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 440px;
}
.modal h3 {
  margin-bottom: 16px;
  font-size: 18px;
}
.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* SEARCH BAR */
.search-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.search-bar input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  outline: none;
}
.search-bar input:focus { border-color: var(--primary); }

/* PAGINATION */
.pagination {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  margin-top: 16px;
}
.pagination-info {
  color: var(--text-secondary);
  font-size: 14px;
}

/* SYNC CARDS */
.sync-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.sync-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.sync-card h3 {
  font-size: 16px;
  margin-bottom: 12px;
  color: var(--primary);
}
.sync-result {
  margin-top: 12px;
  padding: 12px;
  background: var(--bg);
  border-radius: 8px;
  font-family: monospace;
  font-size: 13px;
  white-space: pre-wrap;
  max-height: 200px;
  overflow-y: auto;
  color: var(--text-secondary);
}

/* LINK */
a.link {
  color: var(--secondary);
  text-decoration: none;
  cursor: pointer;
}
a.link:hover { text-decoration: underline; }

/* DETAIL HEADER */
.detail-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.detail-header .back-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
}
.detail-header .back-btn:hover { color: var(--text); }

/* INFO GRID */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.info-item {
  background: var(--surface-light);
  border-radius: 8px;
  padding: 12px;
}
.info-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.info-value {
  font-size: 16px;
  font-weight: 600;
  margin-top: 4px;
}

/* LOADING */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}
.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* TOAST */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface);
  border: 1px solid var(--primary);
  border-radius: 8px;
  padding: 12px 20px;
  color: var(--text);
  font-size: 14px;
  z-index: 200;
  animation: fadeIn 0.3s;
}
.toast.error { border-color: var(--error); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }