:root {
  --bg: #0f0f1a;
  --surface: #1a1a2e;
  --surface2: #16213e;
  --accent: #e94560;
  --accent2: #0f3460;
  --text: #eaeaea;
  --text-muted: #888;
  --border: #2a2a4a;
  --radius: 10px;
  --font: 'Segoe UI', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
}

/* ── NAV ── */
nav {
  background: var(--surface);
  border-bottom: 2px solid var(--accent);
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
}

.nav-brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--surface2) 0%, var(--accent2) 100%);
  padding: 3rem 2rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 0.5rem;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ── MAIN LAYOUT ── */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.section-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── DASHBOARD GRID ── */
.dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 800px) {
  .dashboard { grid-template-columns: 1fr; }
}

/* ── CARD ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

/* ── TABLE ── */
.challenge-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.challenge-table th {
  background: var(--accent2);
  color: var(--text);
  text-align: left;
  padding: 0.6rem 0.8rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.challenge-table td {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
}

.challenge-table tr:last-child td { border-bottom: none; }

.challenge-table tr:hover td {
  background: rgba(233, 69, 96, 0.07);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--accent2);
  color: var(--accent);
}

/* ── CHART ── */
.chart-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

canvas#pieChart {
  max-width: 280px;
  max-height: 280px;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.82rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── STATS ROW ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  text-align: center;
}

.stat-card .value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-card .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

/* ── CHALLENGER CARDS ── */
.challengers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
}

.challenger-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.challenger-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.challenger-card img,
.challenger-card .avatar-placeholder {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  background: var(--accent2);
}

.avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--accent);
}

.challenger-info {
  padding: 1rem;
}

.challenger-info h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  color: var(--text);
}

.challenger-info .nickname {
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.challenger-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.wins-badge {
  display: inline-block;
  margin-top: 0.6rem;
  padding: 2px 10px;
  background: rgba(233, 69, 96, 0.15);
  border: 1px solid var(--accent);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--accent);
}

/* ── HISTORIE ── */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.event-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  position: relative;
}

.event-card::before {
  content: '';
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: 3px 0 0 3px;
}

.event-meta {
  text-align: center;
}

.event-meta .event-date {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.event-meta .event-year {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.event-meta .event-location {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.event-meta .location-icon {
  font-size: 1.2rem;
}

.event-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.games-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
}

.game-tag {
  background: var(--accent2);
  color: var(--text);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.78rem;
}

.event-footer {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.event-footer span {
  display: flex;
  align-items: center;
  gap: 4px;
}

@media (max-width: 600px) {
  .event-card { grid-template-columns: 1fr; }
  .event-meta { display: flex; gap: 1rem; align-items: center; text-align: left; }
}

footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

/* ── ADMIN BAR ── */
.admin-bar {
  background: rgba(233,69,96,0.12);
  border-bottom: 1px solid rgba(233,69,96,0.3);
  padding: 6px 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--accent);
}

.admin-bar span { display: flex; align-items: center; gap: 6px; }

.btn-logout {
  background: transparent;
  border: 1px solid rgba(233,69,96,0.4);
  color: var(--accent);
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-logout:hover { background: rgba(233,69,96,0.15); }

/* ── ADMIN ACTION BUTTONS ── */
.admin-actions {
  display: none;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.admin-actions.visible { display: flex; flex-wrap: wrap; }

.btn-admin {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-admin:hover { opacity: 0.82; }

.btn-admin.secondary {
  background: var(--accent2);
  color: var(--text);
}

/* ── EDIT / DELETE ICONS ── */
.row-actions {
  display: none;
  gap: 4px;
}

.row-actions.visible { display: flex; }

.btn-icon {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 28px; height: 28px;
  border-radius: 5px;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s, color 0.2s;
}

.btn-icon:hover { border-color: var(--accent); color: var(--accent); }
.btn-icon.del:hover { border-color: #f87171; color: #f87171; }

/* ── MODAL ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(10px);
  transition: transform 0.2s;
}

.modal-overlay.open .modal { transform: translateY(0); }

.modal h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.form-row {
  margin-bottom: 1rem;
}

.form-row label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 5px;
}

.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 12px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-row input:focus,
.form-row textarea:focus { border-color: var(--accent); }

.form-row textarea { resize: vertical; min-height: 70px; }

.modal-footer {
  display: flex;
  gap: 0.7rem;
  margin-top: 1.3rem;
  justify-content: flex-end;
}

.btn-save {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 22px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-save:hover { opacity: 0.85; }
.btn-save:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-cancel {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.2s;
}

.btn-cancel:hover { border-color: var(--accent); color: var(--text); }

.toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 2000;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.88rem;
  color: var(--text);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  transform: translateY(10px);
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-color: #34d399; color: #34d399; }
.toast.error   { border-color: #f87171; color: #f87171; }

.loading-placeholder {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 1.5rem 0;
  text-align: center;
}

.err-msg {
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.3);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  color: #f87171;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}