/**
 * ECSC Scoreboard - Modern Sleek Design
 * Uses CTFd's native theme system (data-bs-theme attribute)
 */

/* ========== Base Colors (shared) ========== */
:root {
  --ecsc-junior: #10b981;
  --ecsc-junior-light: #d1fae5;
  --ecsc-junior-dark: #059669;
  --ecsc-senior: #3b82f6;
  --ecsc-senior-light: #dbeafe;
  --ecsc-senior-dark: #2563eb;
  --ecsc-global: #6b7280;
  --ecsc-gold: #f59e0b;
  --ecsc-silver: #9ca3af;
  --ecsc-bronze: #d97706;
  --ecsc-gradient-junior: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --ecsc-gradient-senior: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

/* ========== Dark Theme (Default / CTFd dark mode) ========== */
.ecsc-scoreboard {
  --ecsc-bg: #0f172a;
  --ecsc-bg-gradient: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                      radial-gradient(ellipse at bottom right, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  --ecsc-card-bg: rgba(30, 41, 59, 0.8);
  --ecsc-card-border: rgba(148, 163, 184, 0.1);
  --ecsc-card-hover-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  --ecsc-text: #f1f5f9;
  --ecsc-text-muted: #94a3b8;
  --ecsc-text-score: #fff;
  --ecsc-table-header-bg: rgba(0, 0, 0, 0.2);
  --ecsc-table-row-hover: rgba(255, 255, 255, 0.03);
  --ecsc-top3-bg: rgba(251, 191, 36, 0.03);
  --ecsc-empty-color: #94a3b8;
  --ecsc-gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --ecsc-badge-bg: rgba(99, 102, 241, 0.2);
  --ecsc-badge-color: #a5b4fc;
  --ecsc-half-junior-bg: rgba(16, 185, 129, 0.1);
  --ecsc-half-senior-bg: rgba(59, 130, 246, 0.1);
  --ecsc-category-header-bg: rgba(255, 255, 255, 0.05);
  --ecsc-medal-gold-shadow: rgba(251, 191, 36, 0.4);
  --ecsc-medal-silver-shadow: rgba(156, 163, 175, 0.3);
  --ecsc-medal-bronze-shadow: rgba(217, 119, 6, 0.3);
}

/* ========== Light Theme (CTFd light mode) ========== */
[data-bs-theme="light"] .ecsc-scoreboard,
.ecsc-scoreboard.light {
  --ecsc-bg: #f8fafc;
  --ecsc-bg-gradient: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
                      radial-gradient(ellipse at bottom right, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
  --ecsc-card-bg: rgba(255, 255, 255, 0.9);
  --ecsc-card-border: rgba(148, 163, 184, 0.25);
  --ecsc-card-hover-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  --ecsc-text: #1e293b;
  --ecsc-text-muted: #64748b;
  --ecsc-text-score: #0f172a;
  --ecsc-table-header-bg: rgba(0, 0, 0, 0.03);
  --ecsc-table-row-hover: rgba(0, 0, 0, 0.02);
  --ecsc-top3-bg: rgba(251, 191, 36, 0.08);
  --ecsc-empty-color: #64748b;
  --ecsc-gradient-1: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
  --ecsc-badge-bg: rgba(99, 102, 241, 0.1);
  --ecsc-badge-color: #6366f1;
  --ecsc-half-junior-bg: rgba(16, 185, 129, 0.08);
  --ecsc-half-senior-bg: rgba(59, 130, 246, 0.08);
  --ecsc-category-header-bg: rgba(0, 0, 0, 0.02);
  --ecsc-medal-gold-shadow: rgba(251, 191, 36, 0.3);
  --ecsc-medal-silver-shadow: rgba(156, 163, 175, 0.25);
  --ecsc-medal-bronze-shadow: rgba(217, 119, 6, 0.25);
}

/* ========== Base Layout ========== */
.ecsc-scoreboard {
  min-height: 100vh;
  background: var(--ecsc-bg);
  background-image: var(--ecsc-bg-gradient);
  padding-bottom: 3rem;
  transition: background-color 0.3s ease;
}

/* ========== Hero Header ========== */
.ecsc-hero {
  background: var(--ecsc-gradient-1);
  padding: 3rem 1.5rem 2.5rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.ecsc-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.ecsc-hero-content {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  text-align: center;
}

.ecsc-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 0.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  letter-spacing: -0.02em;
}

.ecsc-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 1.5rem;
  font-weight: 400;
}

.ecsc-legend {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.ecsc-legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.ecsc-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  box-shadow: 0 0 10px currentColor;
}

.ecsc-legend-item.junior .ecsc-dot {
  background: var(--ecsc-junior);
  box-shadow: 0 0 10px var(--ecsc-junior);
}

.ecsc-legend-item.senior .ecsc-dot {
  background: var(--ecsc-senior);
  box-shadow: 0 0 10px var(--ecsc-senior);
}

/* ========== Sections ========== */
.ecsc-section {
  max-width: 1200px;
  margin: 0 auto 2rem;
  padding: 0 1rem;
}

.ecsc-section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ecsc-text);
  margin: 0 0 1.25rem;
  padding-left: 0.5rem;
  border-left: 3px solid var(--ecsc-senior);
}

/* ========== Cards ========== */
.ecsc-card {
  background: var(--ecsc-card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--ecsc-card-border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease;
}

.ecsc-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--ecsc-card-hover-shadow);
}

.ecsc-card-header {
  padding: 1.25rem 1.5rem;
  background: var(--ecsc-category-header-bg);
  border-bottom: 1px solid var(--ecsc-card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ecsc-card-header h2,
.ecsc-card-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ecsc-text);
}

.ecsc-card-header.compact {
  padding: 0.875rem 1rem;
}

.ecsc-card-header.junior {
  background: var(--ecsc-gradient-junior);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.ecsc-card-header.senior {
  background: var(--ecsc-gradient-senior);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.ecsc-card-header.junior h2,
.ecsc-card-header.senior h2 {
  color: #fff;
}

.ecsc-header-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
}

.ecsc-header-sub {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 400;
}

.ecsc-card-body {
  padding: 0;
}

.ecsc-card-body.compact {
  padding: 0;
}

/* ========== Badges & Tags ========== */
.ecsc-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  background: var(--ecsc-badge-bg);
  color: var(--ecsc-badge-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ecsc-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.ecsc-tag.junior {
  background: var(--ecsc-junior-light);
  color: var(--ecsc-junior-dark);
}

.ecsc-tag.senior {
  background: var(--ecsc-senior-light);
  color: var(--ecsc-senior-dark);
}

.ecsc-tag.global {
  background: rgba(107, 114, 128, 0.2);
  color: var(--ecsc-global);
}

/* ========== Scrollable Table Containers ========== */
.ecsc-table-scroll {
  max-height: 560px;
  overflow-y: auto;
  overflow-x: auto;
  position: relative;
}

.ecsc-table-scroll.sm {
  max-height: 360px;
}

.ecsc-table-scroll thead {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--ecsc-card-bg);
}

.ecsc-table-scroll thead th {
  background: var(--ecsc-table-header-bg);
}

/* Scrollbar styling */
.ecsc-table-scroll::-webkit-scrollbar {
  width: 6px;
}

.ecsc-table-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.ecsc-table-scroll::-webkit-scrollbar-thumb {
  background: var(--ecsc-text-muted);
  border-radius: 3px;
  opacity: 0.5;
}

.ecsc-table-scroll::-webkit-scrollbar-thumb:hover {
  opacity: 0.8;
}

/* Firefox scrollbar */
.ecsc-table-scroll {
  scrollbar-width: thin;
  scrollbar-color: var(--ecsc-text-muted) transparent;
}

/* ========== Profile Links ========== */
.ecsc-profile-link {
  color: var(--ecsc-text);
  text-decoration: none;
  transition: color 0.15s ease;
}

.ecsc-profile-link:hover {
  color: var(--ecsc-senior);
  text-decoration: underline;
}

.ecsc-you-row .ecsc-profile-link {
  color: #818cf8;
  font-weight: 700;
}

.ecsc-you-row .ecsc-profile-link:hover {
  color: #a5b4fc;
}

/* ========== Find Me Button ========== */
.ecsc-find-me-btn {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--ecsc-card-border);
  background: var(--ecsc-badge-bg);
  color: var(--ecsc-badge-color);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: background 0.15s ease, transform 0.15s ease;
  white-space: nowrap;
  margin-left: auto;
}

.ecsc-find-me-btn:hover {
  background: rgba(99, 102, 241, 0.3);
  transform: scale(1.05);
}

.ecsc-find-me-btn.on-gradient {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
  margin-left: auto;
}

.ecsc-find-me-btn.on-gradient:hover {
  background: rgba(255, 255, 255, 0.3);
}

.ecsc-find-me-btn.sm {
  font-size: 0.65rem;
  padding: 0.2rem 0.5rem;
}

/* Header actions wrapper */
.ecsc-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ========== Tables ========== */
.ecsc-table-wrap {
  overflow-x: auto;
}

.ecsc-table {
  width: 100%;
  border-collapse: collapse;
}

.ecsc-table thead th {
  padding: 0.875rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ecsc-text-muted);
  background: var(--ecsc-table-header-bg);
}

.ecsc-table tbody tr {
  border-bottom: 1px solid var(--ecsc-card-border);
  transition: background 0.15s ease;
}

.ecsc-table tbody tr:last-child {
  border-bottom: none;
}

.ecsc-table tbody tr:hover {
  background: var(--ecsc-table-row-hover);
}

.ecsc-table td {
  padding: 0.875rem 1rem;
  font-size: 0.9rem;
  color: var(--ecsc-text);
}

.ecsc-table.compact td {
  padding: 0.625rem 0.75rem;
  font-size: 0.85rem;
}

.ecsc-table.mini td {
  padding: 0.5rem 0.625rem;
  font-size: 0.8rem;
}

/* Column styles */
.col-rank {
  width: 60px;
  text-align: center;
}

.col-rank.mini {
  width: 40px;
}

.col-name {
  font-weight: 500;
}

.col-bracket {
  width: 90px;
  text-align: center;
}

.col-bracket.mini {
  width: 30px;
}

.col-score {
  width: 80px;
  text-align: right;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--ecsc-text-score);
}

.col-solves {
  width: 70px;
  text-align: right;
  color: var(--ecsc-text-muted);
  font-variant-numeric: tabular-nums;
}

/* ========== Medals ========== */
.medal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.85rem;
}

.medal.sm {
  width: 24px;
  height: 24px;
  font-size: 0.7rem;
}

.medal.gold {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  color: #78350f;
  box-shadow: 0 0 15px var(--ecsc-medal-gold-shadow);
}

.medal.silver {
  background: linear-gradient(135deg, #e5e7eb 0%, #9ca3af 100%);
  color: #374151;
  box-shadow: 0 0 15px var(--ecsc-medal-silver-shadow);
}

.medal.bronze {
  background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
  color: #78350f;
  box-shadow: 0 0 15px var(--ecsc-medal-bronze-shadow);
}

.rank-num {
  color: var(--ecsc-text-muted);
  font-weight: 500;
}

/* Top 3 row highlight */
.ecsc-row.top-3 {
  background: var(--ecsc-top3-bg);
}

/* Current user "You" row */
.ecsc-you-row {
  background: rgba(99, 102, 241, 0.1) !important;
  border-left: 3px solid #6366f1;
}

.ecsc-you-row td.col-name {
  font-weight: 700;
}

/* Separator row ("...") between visible rankings and current user */
.ecsc-separator-row {
  border-bottom: none !important;
}

.ecsc-separator-row td {
  text-align: center;
  color: var(--ecsc-text-muted);
  font-size: 1rem;
  letter-spacing: 0.2em;
  padding: 0.25rem 0 !important;
  opacity: 0.6;
}

/* ========== Split Layout (User Mode) ========== */
.ecsc-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .ecsc-split {
    grid-template-columns: 1fr;
  }
}

/* ========== Category Cards ========== */
.ecsc-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.ecsc-card-category-split {
  background: var(--ecsc-card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--ecsc-card-border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease;
}

.ecsc-card-category-split:hover {
  transform: translateY(-2px);
  box-shadow: var(--ecsc-card-hover-shadow);
}

.ecsc-category-header {
  padding: 0.75rem 1rem;
  background: var(--ecsc-category-header-bg);
  border-bottom: 1px solid var(--ecsc-card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ecsc-category-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ecsc-text);
}

.ecsc-category-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.ecsc-half {
  padding: 0;
}

.ecsc-half.junior {
  border-right: 1px solid var(--ecsc-card-border);
}

.ecsc-half-header {
  padding: 0.5rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ecsc-half.junior .ecsc-half-header {
  background: var(--ecsc-half-junior-bg);
  color: var(--ecsc-junior);
}

.ecsc-half.senior .ecsc-half-header {
  background: var(--ecsc-half-senior-bg);
  color: var(--ecsc-senior);
}

/* Inline dot indicators */
.ecsc-dot-inline {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.ecsc-dot-inline.junior {
  background: var(--ecsc-junior);
  box-shadow: 0 0 6px var(--ecsc-junior);
}

.ecsc-dot-inline.senior {
  background: var(--ecsc-senior);
  box-shadow: 0 0 6px var(--ecsc-senior);
}

.ecsc-dot-inline.global {
  background: var(--ecsc-global);
}

/* ========== Empty State ========== */
.ecsc-empty {
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--ecsc-empty-color);
  font-size: 0.9rem;
}

.ecsc-empty.sm {
  padding: 1.5rem 1rem;
  font-size: 0.8rem;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .ecsc-hero {
    padding: 2rem 1rem;
  }

  .ecsc-title {
    font-size: 1.75rem;
  }

  .ecsc-subtitle {
    font-size: 0.95rem;
  }

  .ecsc-legend {
    gap: 1rem;
  }

  .ecsc-section {
    padding: 0 0.75rem;
  }

  .ecsc-card {
    border-radius: 12px;
  }

  .ecsc-header-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .ecsc-category-body {
    grid-template-columns: 1fr;
  }

  .ecsc-half.junior {
    border-right: none;
    border-bottom: 1px solid var(--ecsc-card-border);
  }
}

/* ========== Animations ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes youFlash {
  0%, 100% { background: rgba(99, 102, 241, 0.1); }
  25% { background: rgba(99, 102, 241, 0.3); }
  50% { background: rgba(99, 102, 241, 0.15); }
  75% { background: rgba(99, 102, 241, 0.25); }
}

.ecsc-you-flash {
  animation: youFlash 1.5s ease !important;
}

@keyframes btnShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-3px); }
  40% { transform: translateX(3px); }
  60% { transform: translateX(-2px); }
  80% { transform: translateX(2px); }
}

.ecsc-btn-shake {
  animation: btnShake 0.5s ease;
}

.ecsc-card {
  animation: fadeInUp 0.4s ease-out;
}

.ecsc-split .ecsc-card:nth-child(2) {
  animation-delay: 0.1s;
}

.ecsc-categories-grid .ecsc-card:nth-child(n) {
  animation-delay: calc(0.05s * var(--i, 1));
}

/* Theme transition */
.ecsc-scoreboard,
.ecsc-card,
.ecsc-card-category-split,
.ecsc-table td,
.ecsc-section-title {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ========== Print Styles ========== */
@media print {
  .ecsc-scoreboard {
    background: #fff !important;
  }

  .ecsc-hero {
    background: #333 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .ecsc-card,
  .ecsc-card-category-split {
    background: #fff !important;
    border: 1px solid #ddd !important;
    box-shadow: none !important;
  }

  .ecsc-table td,
  .ecsc-table th,
  .ecsc-section-title,
  .ecsc-category-name {
    color: #333 !important;
  }
}