/*
 * City to Surf Results — Custom Styles
 * File: static/css/style.css
 * Version: 1.0.0
 * Date: 2026-02-26
 * Changelog:
 *   1.0.0 - Initial build: dark theme, DataTables overrides,
 *           hero animations, counter styles, utility classes
 */

/* ============================================
   ROOT VARIABLES
   ============================================ */
:root {
  --navy:    #0f172a;
  --slate:   #1e293b;
  --accent:  #f97316;
  --text:    #f1f5f9;
  --muted:   #94a3b8;
  --success: #10b981;
  --gold:    #fbbf24;
  --silver:  #d1d5db;
  --bronze:  #d97706;
  --radius:  0.75rem;
  --transition: 300ms ease;
}

/* ============================================
   GLOBAL OVERRIDES
   ============================================ */
body {
  background-color: var(--navy);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background-color: var(--accent);
  color: #fff;
}

/* Smooth scroll */
html { scroll-behavior: smooth; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  pointer-events: none;
}

.hero-orb-1 {
  width: 400px; height: 400px;
  background: var(--accent);
  top: -100px; right: -50px;
  animation: orb-drift 8s ease-in-out infinite alternate;
}

.hero-orb-2 {
  width: 300px; height: 300px;
  background: #3b82f6;
  bottom: -80px; left: -30px;
  animation: orb-drift 10s ease-in-out infinite alternate-reverse;
}

@keyframes orb-drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -20px) scale(1.1); }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes pulse-slow {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.6; }
}

.animate-pulse-slow {
  animation: pulse-slow 3s ease-in-out infinite;
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-in-up {
  animation: fade-in-up 0.6s ease-out forwards;
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.animate-shimmer {
  background: linear-gradient(90deg, var(--accent), #fb923c, var(--accent));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 3s linear infinite;
}

@keyframes bounce-subtle {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-4px); }
}

.hover-bounce:hover {
  animation: bounce-subtle 0.4s ease;
}

/* Stat counter mono font */
.stat-number {
  font-family: 'JetBrains Mono', monospace;
  font-variant-numeric: tabular-nums;
}

/* ============================================
   CARD STYLES
   ============================================ */
.card {
  background: var(--slate);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.card-glow {
  position: relative;
  overflow: hidden;
}

.card-glow::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
  transition: left 0.5s ease;
}

.card-glow:hover::before {
  left: 100%;
}

/* ============================================
   PODIUM / LEADERBOARD
   ============================================ */
.podium-gold   { border-color: var(--gold); }
.podium-silver { border-color: var(--silver); }
.podium-bronze { border-color: var(--bronze); }

.podium-card {
  transition: transform var(--transition);
}

.podium-card:hover {
  transform: scale(1.03);
}

.medal-icon {
  font-size: 2rem;
  line-height: 1;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav-scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  backdrop-filter: blur(12px);
  background-color: rgba(15, 23, 42, 0.95) !important;
}

.nav-link {
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  background: #ea580c;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(249,115,22,0.4);
}

.btn-outline {
  border: 2px solid var(--accent);
  color: var(--accent);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: all var(--transition);
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
}

/* ============================================
   DATATABLES DARK THEME OVERRIDES
   ============================================ */
.dataTables_wrapper {
  color: var(--text) !important;
}

table.dataTable {
  border-collapse: collapse !important;
  width: 100% !important;
}

table.dataTable thead th {
  background: var(--slate) !important;
  color: var(--text) !important;
  border-bottom: 2px solid var(--accent) !important;
  padding: 0.75rem 1rem !important;
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

table.dataTable tbody tr {
  background: var(--navy) !important;
  transition: background var(--transition);
}

table.dataTable tbody tr:nth-child(even) {
  background: rgba(30, 41, 59, 0.5) !important;
}

table.dataTable tbody tr:hover {
  background: rgba(249, 115, 22, 0.08) !important;
}

table.dataTable tbody td {
  padding: 0.625rem 1rem !important;
  border-bottom: 1px solid rgba(255,255,255,0.06) !important;
  color: var(--text) !important;
  font-size: 0.875rem;
}

/* Time column - mono font */
table.dataTable tbody td:nth-child(3) {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
}

/* DataTables info + pagination */
.dataTables_info {
  color: var(--muted) !important;
  font-size: 0.8125rem;
  padding-top: 0.75rem !important;
}

.dataTables_paginate {
  padding-top: 0.75rem !important;
}

.dataTables_paginate .paginate_button {
  background: var(--slate) !important;
  color: var(--text) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  border-radius: 0.375rem !important;
  margin: 0 2px !important;
  padding: 0.375rem 0.75rem !important;
  transition: all var(--transition) !important;
}

.dataTables_paginate .paginate_button:hover {
  background: var(--accent) !important;
  color: #fff !important;
  border-color: var(--accent) !important;
}

.dataTables_paginate .paginate_button.current {
  background: var(--accent) !important;
  color: #fff !important;
  border-color: var(--accent) !important;
  font-weight: 600;
}

.dataTables_paginate .paginate_button.disabled {
  opacity: 0.4 !important;
  cursor: default !important;
}

.dataTables_length,
.dataTables_filter {
  display: none !important;       /* We use custom filter UI */
}

/* DataTables "Processing" overlay */
.dataTables_processing {
  background: rgba(15, 23, 42, 0.9) !important;
  color: var(--accent) !important;
  border: none !important;
  border-radius: var(--radius);
  padding: 1rem !important;
  font-weight: 600;
}

/* Responsive DataTables child rows */
table.dataTable.dtr-inline.collapsed > tbody > tr > td.dtr-control::before {
  background-color: var(--accent) !important;
}

/* ============================================
   FORM STYLES
   ============================================ */
.form-input {
  background: var(--slate);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text);
  border-radius: 0.5rem;
  padding: 0.625rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.2);
}

.form-input::placeholder {
  color: var(--muted);
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' fill='none' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

/* ============================================
   DRAG & DROP UPLOAD ZONE
   ============================================ */
.upload-zone {
  border: 2px dashed rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent);
  background: rgba(249,115,22,0.05);
}

/* ============================================
   FLASH MESSAGES
   ============================================ */
.flash-message {
  animation: fade-in-up 0.3s ease-out;
}

/* ============================================
   LOADING SPINNER
   ============================================ */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 1.5rem; height: 1.5rem;
  border: 3px solid rgba(255,255,255,0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

/* ============================================
   SCROLLBAR (Webkit)
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--navy);
}

::-webkit-scrollbar-thumb {
  background: var(--slate);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* ============================================
   UTILITY
   ============================================ */
.text-accent  { color: var(--accent); }
.text-muted   { color: var(--muted); }
.text-gold    { color: var(--gold); }
.text-silver  { color: var(--silver); }
.text-bronze  { color: var(--bronze); }
.bg-slate     { background-color: var(--slate); }
.font-mono    { font-family: 'JetBrains Mono', monospace; }

/* Gradient text helper */
.gradient-text {
  background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============================================
   RESPONSIVE TWEAKS
   ============================================ */
@media (max-width: 768px) {
  .hero-orb { display: none; }

  table.dataTable thead th,
  table.dataTable tbody td {
    padding: 0.5rem !important;
    font-size: 0.8125rem;
  }

  .stat-number { font-size: 2rem; }
}

@media (max-width: 480px) {
  .btn-primary, .btn-outline {
    width: 100%;
    justify-content: center;
  }
}