/*
Theme Name: ChessLK Minimalist Pro
Theme URI: https://chesslk.online
Author: ChessLK Engineering
Author URI: https://chesslk.online
Description: Modern, minimalist, mobile-first responsive WordPress theme for ChessLK — Sri Lanka's Premier Chess Hub. Designed to work seamlessly with modular ChessLK feature plugins (Events & Live Broadcasts, Community & Coaches, Academy & PGN Viewer, and ChessLK Pro Store).
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GPL v2 or later
Text Domain: chesslk
*/

:root {
  --clk-maroon: #6B1D2F;
  --clk-maroon-dark: #4A111E;
  --clk-maroon-light: #8C2840;
  --clk-gold: #D4AF37;
  --clk-gold-bright: #F3D26B;
  --clk-gold-soft: rgba(212, 175, 55, 0.14);
  --clk-obsidian: #111625;
  --clk-slate: #1B2236;
  --clk-ivory: #FAF8F5;
  --clk-surface: #FFFFFF;
  --clk-border: #E6E1D6;
  --clk-text: #181D2A;
  --clk-text-muted: #5A6275;
  --clk-emerald: #10B981;
  --clk-crimson: #EF4444;
  --clk-radius-sm: 8px;
  --clk-radius: 14px;
  --clk-radius-lg: 20px;
  --clk-shadow-sm: 0 2px 8px rgba(17, 22, 37, 0.05);
  --clk-shadow: 0 10px 30px rgba(17, 22, 37, 0.08);
  --clk-shadow-lg: 0 20px 45px rgba(17, 22, 37, 0.14);
  --clk-font-heading: 'Outfit', 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --clk-font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --clk-font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--clk-font-body);
  background-color: var(--clk-ivory);
  color: var(--clk-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--clk-font-heading);
  font-weight: 700;
  line-height: 1.22;
  color: var(--clk-obsidian);
  letter-spacing: -0.02em;
}

.clk-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ==========================================================================
   Top Live Ticker Bar
   ========================================================================== */
.clk-topbar {
  background: var(--clk-maroon-dark);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.22);
}

.clk-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.25rem 0;
}

.clk-topbar-ticker {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.clk-live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clk-crimson);
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.25);
  animation: clkPulse 1.8s infinite;
  flex-shrink: 0;
}

@keyframes clkPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.75; }
}

.clk-topbar-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-weight: 500;
}

.clk-topbar-links a:hover {
  color: var(--clk-gold-bright);
}

/* ==========================================================================
   Sticky Header & Minimalist Responsive Navigation
   ========================================================================== */
.clk-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(17, 22, 37, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.clk-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 1.5rem;
}

.clk-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.clk-brand-shield {
  width: 44px;
  height: 50px;
  object-fit: contain;
}

.clk-brand-text {
  display: flex;
  flex-direction: column;
}

.clk-brand-title {
  font-family: var(--clk-font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #FFFFFF;
  line-height: 1.05;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.clk-brand-title .clk-divider {
  color: var(--clk-gold);
  font-weight: 400;
}

.clk-brand-title .clk-lk {
  color: var(--clk-gold);
}

.clk-brand-subtitle {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--clk-gold);
  text-transform: uppercase;
  margin-top: 2px;
}

.clk-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.clk-nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.25rem;
}

.clk-nav-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.85rem;
  border-radius: var(--clk-radius-sm);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.92rem;
  font-weight: 600;
}

.clk-nav-list a:hover,
.clk-nav-list .current-menu-item > a {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
}

.clk-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.clk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--clk-radius-sm);
  font-family: var(--clk-font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-align: center;
}

.clk-btn-gold {
  background: linear-gradient(135deg, #F3D26B 0%, #D4AF37 55%, #B88B22 100%);
  color: var(--clk-obsidian);
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.25);
}

.clk-btn-gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.38);
}

.clk-btn-maroon {
  background: var(--clk-maroon);
  color: #FFFFFF;
  border-color: rgba(212, 175, 55, 0.3);
}

.clk-btn-maroon:hover {
  background: var(--clk-maroon-light);
  transform: translateY(-1px);
}

.clk-btn-outline {
  background: transparent;
  color: var(--clk-obsidian);
  border-color: var(--clk-border);
}

.clk-btn-outline:hover {
  border-color: var(--clk-maroon);
  color: var(--clk-maroon);
  background: rgba(107, 29, 47, 0.04);
}

.clk-btn-outline-light {
  background: rgba(255, 255, 255, 0.06);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.2);
}

.clk-btn-outline-light:hover {
  border-color: var(--clk-gold);
  color: var(--clk-gold);
}

.clk-btn-whatsapp {
  background: #128C7E;
  color: #FFFFFF;
}

.clk-btn-whatsapp:hover {
  background: #075E54;
  color: #FFFFFF;
}

.clk-mobile-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #FFFFFF;
  width: 42px;
  height: 42px;
  border-radius: var(--clk-radius-sm);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
}

/* ==========================================================================
   Hero Section (Modern Minimalist Dark Slate + Royal Maroon/Gold Accents)
   ========================================================================== */
.clk-hero {
  background: radial-gradient(circle at 82% 22%, rgba(107, 29, 47, 0.52) 0%, rgba(17, 22, 37, 0.98) 55%), var(--clk-obsidian);
  color: #FFFFFF;
  padding: 4rem 0 4.5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid rgba(212, 175, 55, 0.25);
}

.clk-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.clk-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.clk-badge-gold {
  background: rgba(212, 175, 55, 0.16);
  color: var(--clk-gold-bright);
  border: 1px solid rgba(212, 175, 55, 0.38);
}

.clk-badge-live {
  background: rgba(239, 68, 68, 0.16);
  color: #FCA5A5;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.clk-badge-maroon {
  background: rgba(107, 29, 47, 0.1);
  color: var(--clk-maroon);
  border: 1px solid rgba(107, 29, 47, 0.25);
}

.clk-badge-emerald {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.28);
}

.clk-hero-title {
  color: #FFFFFF;
  font-size: clamp(2.1rem, 4vw, 3.35rem);
  margin: 1rem 0 1.15rem;
  line-height: 1.12;
}

.clk-hero-title span {
  color: var(--clk-gold);
}

.clk-hero-desc {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.08rem;
  max-width: 600px;
  margin-bottom: 1.85rem;
}

.clk-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
}

.clk-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.clk-stat-item strong {
  display: block;
  font-family: var(--clk-font-heading);
  font-size: 1.55rem;
  color: var(--clk-gold);
}

.clk-stat-item span {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ==========================================================================
   Section Headers & Layout Utilities
   ========================================================================== */
.clk-section {
  padding: 4rem 0;
}

.clk-section-alt {
  background: #F3EFE6;
  border-top: 1px solid var(--clk-border);
  border-bottom: 1px solid var(--clk-border);
}

.clk-section-dark {
  background: var(--clk-obsidian);
  color: #FFFFFF;
}

.clk-section-dark h2,
.clk-section-dark h3,
.clk-section-dark h4 {
  color: #FFFFFF;
}

.clk-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.clk-section-kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clk-maroon);
  margin-bottom: 0.35rem;
}

.clk-section-dark .clk-section-kicker {
  color: var(--clk-gold);
}

.clk-section-title {
  font-size: clamp(1.55rem, 2.5vw, 2.15rem);
}

.clk-section-subtitle {
  color: var(--clk-text-muted);
  font-size: 0.96rem;
  margin-top: 0.25rem;
}

.clk-section-dark .clk-section-subtitle {
  color: rgba(255, 255, 255, 0.72);
}

/* ==========================================================================
   Filter Bar & Pills (Age Categories & Sri Lankan Districts)
   ========================================================================== */
.clk-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
  background: var(--clk-surface);
  padding: 0.85rem 1.15rem;
  border-radius: var(--clk-radius);
  border: 1px solid var(--clk-border);
  box-shadow: var(--clk-shadow-sm);
}

.clk-filter-pills {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.clk-pill {
  padding: 0.42rem 0.9rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--clk-ivory);
  color: var(--clk-text-muted);
  border: 1px solid var(--clk-border);
  cursor: pointer;
  transition: all 0.18s ease;
}

.clk-pill:hover,
.clk-pill.active {
  background: var(--clk-maroon);
  color: #FFFFFF;
  border-color: var(--clk-maroon);
}

.clk-select {
  padding: 0.48rem 0.95rem;
  border-radius: var(--clk-radius-sm);
  border: 1px solid var(--clk-border);
  background: var(--clk-ivory);
  font-family: var(--clk-font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clk-obsidian);
  cursor: pointer;
}

/* ==========================================================================
   Universal Cards Grid (Events, Coaches, Players, Lessons, Products, News)
   ========================================================================== */
.clk-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.clk-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.35rem;
}

.clk-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.clk-card {
  background: var(--clk-surface);
  border: 1px solid var(--clk-border);
  border-radius: var(--clk-radius);
  overflow: hidden;
  box-shadow: var(--clk-shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  display: flex;
  flex-direction: column;
}

.clk-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--clk-shadow);
  border-color: rgba(212, 175, 55, 0.55);
}

.clk-card-body {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.clk-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--clk-text-muted);
  margin-bottom: 0.65rem;
}

.clk-card-title {
  font-size: 1.15rem;
  margin-bottom: 0.55rem;
  color: var(--clk-obsidian);
}

.clk-card-title a:hover {
  color: var(--clk-maroon);
}

.clk-card-excerpt {
  font-size: 0.9rem;
  color: var(--clk-text-muted);
  margin-bottom: 1.15rem;
  flex: 1;
}

.clk-card-footer {
  padding-top: 0.95rem;
  border-top: 1px solid var(--clk-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
}

/* ==========================================================================
   Interactive Chessboard & PGN Viewer Component
   ========================================================================== */
.clk-board-card {
  background: var(--clk-slate);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--clk-radius-lg);
  padding: 1.35rem;
  color: #FFFFFF;
  box-shadow: var(--clk-shadow-lg);
}

.clk-chessboard {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  border: 4px solid #3A2618;
  border-radius: 6px;
  overflow: hidden;
  user-select: none;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
}

.clk-sq {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1.35rem, 3.2vw, 2.1rem);
  cursor: pointer;
  position: relative;
  transition: background-color 0.15s ease;
  line-height: 1;
}

.clk-sq-light {
  background-color: #F0D9B5;
  color: #111625;
}

.clk-sq-dark {
  background-color: #B58863;
  color: #111625;
}

.clk-sq.clk-sq-selected {
  background-color: #F6F669 !important;
}

.clk-sq.clk-sq-lastmove {
  box-shadow: inset 0 0 0 3px rgba(212, 175, 55, 0.85);
}

.clk-piece-w {
  color: #FFFFFF;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.85), 0 0 1px #000000;
}

.clk-piece-b {
  color: #141824;
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.35);
}

.clk-board-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 1rem;
}

.clk-board-btn {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

.clk-board-btn:hover {
  background: var(--clk-gold);
  color: var(--clk-obsidian);
  border-color: var(--clk-gold);
}

.clk-pgn-moves {
  font-family: var(--clk-font-mono);
  font-size: 0.8rem;
  background: rgba(0, 0, 0, 0.28);
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  margin-top: 0.85rem;
  max-height: 92px;
  overflow-y: auto;
  color: rgba(255, 255, 255, 0.85);
}

.clk-pgn-move {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 4px;
  cursor: pointer;
}

.clk-pgn-move.active {
  background: var(--clk-gold);
  color: var(--clk-obsidian);
  font-weight: 700;
}

/* ==========================================================================
   Tournament Results & FIDE Leaderboard Table
   ========================================================================== */
.clk-table-wrap {
  background: var(--clk-surface);
  border: 1px solid var(--clk-border);
  border-radius: var(--clk-radius);
  overflow-x: auto;
  box-shadow: var(--clk-shadow-sm);
}

.clk-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.clk-table th {
  background: var(--clk-obsidian);
  color: #FFFFFF;
  font-family: var(--clk-font-heading);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.9rem 1.1rem;
}

.clk-table td {
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--clk-border);
  vertical-align: middle;
}

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

.clk-table tr:hover td {
  background: rgba(212, 175, 55, 0.05);
}

.clk-fide-badge {
  display: inline-block;
  padding: 0.15rem 0.48rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 800;
  background: var(--clk-maroon);
  color: var(--clk-gold-bright);
  margin-right: 0.4rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.clk-footer {
  background: var(--clk-obsidian);
  color: rgba(255, 255, 255, 0.78);
  padding: 4rem 0 2rem;
  border-top: 3px solid var(--clk-gold);
}

.clk-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.clk-footer h4 {
  color: #FFFFFF;
  font-size: 1rem;
  margin-bottom: 1.1rem;
  position: relative;
}

.clk-footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  font-size: 0.9rem;
}

.clk-footer-links a:hover {
  color: var(--clk-gold);
}

.clk-footer-bottom {
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.84rem;
}

/* ==========================================================================
   Responsive Breakpoints (Tablet & Mobile-First Optimization)
   ========================================================================== */
@media (max-width: 1024px) {
  .clk-hero-grid {
    grid-template-columns: 1fr;
  }
  .clk-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .clk-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .clk-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 820px) {
  .clk-mobile-toggle {
    display: inline-flex;
  }
  .clk-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--clk-obsidian);
    border-bottom: 2px solid var(--clk-gold);
    padding: 1.25rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    box-shadow: var(--clk-shadow-lg);
  }
  .clk-nav.open {
    display: flex;
  }
  .clk-nav-list {
    flex-direction: column;
    align-items: stretch;
  }
  .clk-nav-list a {
    padding: 0.8rem 1rem;
    font-size: 1rem;
  }
  .clk-topbar-links {
    display: none;
  }
  .clk-hero {
    padding: 2.5rem 0 3rem;
  }
  .clk-hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .clk-grid-3,
  .clk-grid-4,
  .clk-grid-2,
  .clk-footer-grid {
    grid-template-columns: 1fr;
  }
  .clk-section {
    padding: 2.75rem 0;
  }
  .clk-header-actions .clk-btn-hide-sm {
    display: none;
  }
}