/* INK CLASH — Main App Styles */
@import url('https://fonts.googleapis.com/css2?family=Black+Han+Sans&family=Noto+Sans+JP:wght@300;400;700;900&family=Bebas+Neue&display=swap');

:root {
  --black: #0a0a0a;
  --deep: #111111;
  --surface: #1a1a1a;
  --card: #151515;
  --stroke: #2a2a2a;
  --blood: #c41e3a;
  --blood-glow: #ff2d55;
  --ember: #e8a317;
  --ink: #e0ddd5;
  --faded: #6b6862;
  --mist: #3a3833;
  --canvas-bg: #f5f0e8;
  
  --font-headline: 'Black Han Sans', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-stats: 'Bebas Neue', sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background kanji pattern */
body::before {
  content: '墨';
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 40vw;
  color: var(--stroke);
  opacity: 0.15;
  pointer-events: none;
  z-index: -1;
}

/* Angular button style */
.btn {
  font-family: var(--font-headline);
  background: var(--blood);
  color: var(--ink);
  border: none;
  padding: 12px 24px;
  font-size: 1.1rem;
  cursor: pointer;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.btn:hover {
  background: var(--blood-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--stroke);
}

.btn-secondary:hover {
  border-color: var(--blood);
}

/* Input fields */
input, textarea {
  font-family: var(--font-body);
  background: var(--deep);
  border: 1px solid var(--stroke);
  color: var(--ink);
  padding: 12px 16px;
  font-size: 1rem;
  width: 100%;
  transition: border-color 0.2s;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--blood);
}

/* Page container */
.page {
  display: none;
  min-height: 100vh;
  padding: 20px;
}

.page.active {
  display: block;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  border-bottom: 1px solid var(--stroke);
}

.logo {
  font-family: var(--font-headline);
  font-size: 2.5rem;
  color: var(--blood);
  text-shadow: 0 0 20px rgba(196, 30, 58, 0.5);
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  color: var(--faded);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9rem;
  transition: color 0.2s;
}

nav a:hover, nav a.active {
  color: var(--blood);
}

/* Hero section */
.hero {
  text-align: center;
  padding: 80px 20px;
}

.hero h1 {
  font-family: var(--font-headline);
  font-size: 4rem;
  color: var(--ink);
  margin-bottom: 20px;
}

.hero p {
  color: var(--faded);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 40px;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  color: var(--faded);
  margin-bottom: 8px;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

/* Profile card */
.profile-card {
  background: var(--card);
  border: 1px solid var(--stroke);
  padding: 30px;
  text-align: center;
}

.profile-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--blood);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-headline);
  font-size: 3rem;
  color: var(--blood);
}

.profile-rank {
  font-family: var(--font-stats);
  color: var(--ember);
  font-size: 1.5rem;
  margin-top: 10px;
}

.profile-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--stroke);
}

.stat {
  text-align: center;
}

.stat-value {
  font-family: var(--font-stats);
  font-size: 2rem;
  color: var(--ink);
}

.stat-label {
  color: var(--faded);
  font-size: 0.8rem;
  text-transform: uppercase;
}

/* Battle arena */
.arena-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.battle-card {
  background: var(--card);
  border: 1px solid var(--stroke);
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

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

.battle-card h3 {
  font-family: var(--font-headline);
  margin-bottom: 10px;
}

/* Rank badges */
.rank-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--surface);
  border: 1px solid var(--ember);
  font-family: var(--font-stats);
  font-size: 0.9rem;
  color: var(--ember);
}

/* Canvas Drawing */
#battle-canvas {
  background: var(--canvas-bg);
  border: 2px solid var(--stroke);
  cursor: crosshair;
  touch-action: none;
}

.color-btn {
  transition: transform 0.1s;
}

.color-btn:hover {
  transform: scale(1.1);
}

.tool-btn.active {
  background: var(--blood) !important;
}

/* Vote page */
.vote-card {
  background: var(--surface);
  border: 2px solid var(--stroke);
  padding: 20px;
  transition: border-color 0.2s;
}

.vote-card:hover {
  border-color: var(--blood);
}

/* Notifications */
.notification {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--blood);
  color: var(--ink);
  padding: 16px 24px;
  font-weight: bold;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Loading */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--faded);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--stroke);
  border-top-color: var(--blood);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  header { flex-direction: column; gap: 20px; }
  nav { flex-wrap: wrap; justify-content: center; }
  .profile-stats { flex-wrap: wrap; gap: 20px; }
}