@import url('https://fonts.googleapis.com/css2?family=Anton&family=Space+Mono:ital,wght@0,400;0,700;1,400&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --jacob: #3B82F6;
  --jacob-dark: #1D4ED8;
  --jacob-glow: rgba(59,130,246,0.3);
  --gabby: #F43F5E;
  --gabby-dark: #BE123C;
  --gabby-glow: rgba(244,63,94,0.3);
  --gold: #F59E0B;
  --bg: #0A0A0F;
  --surface: #12121A;
  --surface2: #1A1A26;
  --border: rgba(255,255,255,0.07);
  --text: #F0F0F5;
  --muted: #6B7280;
  --win: #10B981;
  --lose: #EF4444;
  --tie: #F59E0B;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.4;
}

/* NAV */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  font-family: 'Anton', sans-serif;
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, var(--jacob), var(--gabby));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: var(--surface2);
}

.nav-links a.jacob-link.active { color: var(--jacob); }
.nav-links a.gabby-link.active { color: var(--gabby); }

/* PAGE LAYOUT */
.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem 6rem;
}

/* HERO STAT */
.hero-stat {
  font-family: 'Anton', sans-serif;
  font-size: clamp(4rem, 12vw, 9rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

/* CARDS */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.card:hover { border-color: rgba(255,255,255,0.12); }

.card.jacob-card { border-left: 3px solid var(--jacob); }
.card.gabby-card { border-left: 3px solid var(--gabby); }

/* SCORE BATTLE */
.score-battle {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
  margin: 2rem 0;
}

.score-side {
  text-align: center;
  padding: 2rem;
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.score-side.jacob-side {
  background: linear-gradient(135deg, rgba(59,130,246,0.08), var(--surface));
  border-color: rgba(59,130,246,0.2);
}

.score-side.gabby-side {
  background: linear-gradient(135deg, rgba(244,63,94,0.08), var(--surface));
  border-color: rgba(244,63,94,0.2);
}

.score-side .player-name {
  font-family: 'Anton', sans-serif;
  font-size: 2rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.score-side.jacob-side .player-name { color: var(--jacob); }
.score-side.gabby-side .player-name { color: var(--gabby); }

.score-number {
  font-family: 'Anton', sans-serif;
  font-size: 5rem;
  line-height: 1;
}

.score-max {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.vs-divider {
  font-family: 'Anton', sans-serif;
  font-size: 2.5rem;
  color: var(--muted);
  text-align: center;
}

/* GOAL CHECKLIST */
.goal-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  background: var(--surface2);
  border: 1px solid var(--border);
}

.goal-label {
  flex: 1;
  font-size: 0.95rem;
}

/* DAY GRID */
.day-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  margin: 1rem 0;
}

.day-cell {
  aspect-ratio: 1;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--surface2);
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  gap: 4px;
}

.day-cell .day-label { color: var(--muted); font-size: 0.65rem; }
.day-cell .day-score { font-family: 'Space Mono', monospace; font-size: 1rem; color: var(--text); }

.day-cell.complete-jacob { background: rgba(59,130,246,0.15); border-color: var(--jacob); }
.day-cell.complete-gabby { background: rgba(244,63,94,0.15); border-color: var(--gabby); }
.day-cell.partial { background: rgba(245,158,11,0.1); border-color: var(--gold); }
.day-cell.future { opacity: 0.35; cursor: default; }
.day-cell.today { box-shadow: 0 0 0 2px var(--text); }

/* PROGRESS BAR */
.progress-bar {
  height: 8px;
  background: var(--surface2);
  border-radius: 999px;
  overflow: hidden;
  margin: 0.5rem 0;
}
.progress-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.6s ease;
}
.progress-fill.jacob { background: linear-gradient(90deg, var(--jacob-dark), var(--jacob)); }
.progress-fill.gabby { background: linear-gradient(90deg, var(--gabby-dark), var(--gabby)); }

/* ALL-TIME RECORD */
.record-display {
  font-family: 'Anton', sans-serif;
  font-size: clamp(2.5rem, 8vw, 5rem);
  letter-spacing: 0.02em;
  line-height: 1;
  text-align: center;
}

/* HISTORY TABLE */
.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.history-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.history-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.history-table tr:last-child td { border-bottom: none; }
.history-table tr:hover td { background: var(--surface2); }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge.jacob { background: rgba(59,130,246,0.15); color: var(--jacob); }
.badge.gabby { background: rgba(244,63,94,0.15); color: var(--gabby); }
.badge.tie { background: rgba(245,158,11,0.15); color: var(--gold); }

/* STREAK */
.streak-flame {
  font-size: 1.5rem;
  animation: flicker 1.5s infinite alternate;
}
@keyframes flicker {
  from { opacity: 0.8; transform: scale(1); }
  to { opacity: 1; transform: scale(1.1) rotate(3deg); }
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-jacob { background: var(--jacob); color: white; }
.btn-jacob:hover { background: var(--jacob-dark); transform: translateY(-1px); box-shadow: 0 4px 16px var(--jacob-glow); }

.btn-gabby { background: var(--gabby); color: white; }
.btn-gabby:hover { background: var(--gabby-dark); transform: translateY(-1px); box-shadow: 0 4px 16px var(--gabby-glow); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { background: var(--surface2); }

/* CHECK TOGGLE */
.check-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}
.check-toggle:hover { border-color: var(--muted); }
.check-toggle.checked-jacob { background: var(--jacob); border-color: var(--jacob); }
.check-toggle.checked-gabby { background: var(--gabby); border-color: var(--gabby); }
.check-toggle svg { display: none; }
.check-toggle.checked-jacob svg,
.check-toggle.checked-gabby svg { display: block; }

/* SECTION TITLE */
.section-title {
  font-family: 'Anton', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  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: 20px;
  padding: 2rem;
  width: 90%;
  max-width: 480px;
  transform: translateY(20px);
  transition: transform 0.2s;
}
.modal-overlay.open .modal { transform: translateY(0); }

.modal-title {
  font-family: 'Anton', sans-serif;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.input-group {
  margin-bottom: 1rem;
}
.input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}
.input-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}
.input-group input:focus { border-color: var(--muted); }

/* LEADING INDICATOR */
.leading-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
}
.leading-tag.jacob { background: var(--jacob-glow); color: var(--jacob); }
.leading-tag.gabby { background: var(--gabby-glow); color: var(--gabby); }
.leading-tag.tied { background: rgba(245,158,11,0.15); color: var(--gold); }

/* LOADING SPINNER */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--text);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin: 2rem auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* TOAST */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 999;
  transition: transform 0.3s ease;
  white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* GRID UTILITIES */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.text-muted { color: var(--muted); font-size: 0.85rem; }
.text-center { text-align: center; }
.text-mono { font-family: 'Space Mono', monospace; }
.font-bold { font-weight: 700; }
.empty-state { text-align: center; padding: 3rem; color: var(--muted); }

@media (max-width: 640px) {
  .score-battle { grid-template-columns: 1fr; }
  .vs-divider { display: none; }
  .grid-2 { grid-template-columns: 1fr; }
  nav { padding: 0 1rem; }
  .page { padding: 2rem 1rem 5rem; }
}