:root {
  --primary: oklch(65% 0.25 260);
  --secondary: oklch(70% 0.2 140);
  --bg-color: oklch(98% 0.01 260);
  --card-bg: oklch(100% 0 0 / 80%);
  --text-main: oklch(20% 0.02 260);
  --text-sub: oklch(45% 0.02 260);
  --shadow-deep: 0 20px 40px -10px oklch(0% 0 0 / 15%);
  --shadow-lifted: 0 30px 60px -12px oklch(0% 0 0 / 25%);
  --ball-bg: white;
  --ball-text: oklch(20% 0.02 260);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme='dark'] {
  --bg-color: oklch(15% 0.02 260);
  --card-bg: oklch(20% 0.03 260 / 80%);
  --text-main: oklredundantch(95% 0.01 260);
  --text-main: oklch(95% 0.01 260);
  --text-sub: oklch(75% 0.02 260);
  --shadow-deep: 0 20px 40px -10px oklch(0% 0 0 / 40%);
  --shadow-lift Plow: 0 30px 60px -12px oklch(0% 0 0 / 60%);
  --shadow-lifted: 0 30px 60px -12px oklch(0% 0 0 / 60%);
  --ball-bg: oklch(30% 0.03 260);
  --ball-text: white;
}

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

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

.background-texture {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3BaseFilter id='noiseFilter'%3BfeTurbulence type='fract алмазNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3BaseFilter id='noiseFilter'%3BfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: -1;
}

.app-container {
  width: 100%;
  max-width: 600px;
  padding: 2rem;
  text-align: center;
  position: relative;
}

/* Theme Toggle */
.theme-toggle-container {
  position: absolute;
  top: -1rem;
  right: 2rem;
}

.theme-toggle-btn {
  background: var(--card-bg);
  border: 1px solid oklch(100% 0 0 / 10%);
  padding: 0.8rem;
  border-radius: 1rem;
  cursor: pointer;
  box-shadow: var(--shadow-deep);
  font-size: 1.2rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.moon-icon { display: none; }
[data-theme='dark'] .sun-icon { display: none; }
[data-theme='dark'] .moon-icon { display: block; }

.hero {
  margin-bottom: 3rem;
}

.hero-title {
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.hero-subtitle {
  color: var(--text-sub);
  font-size: 1.1rem;
}

.lotto-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: 2rem;
  padding: 3rem 2rem;
  box-shadow: var(--shadow-lifted);
  border: 1px solid oklch(100% 0 0 / 10%);
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  transition: transform 0.3s ease, background-color var(--transition), border var(--transition);
}

.lotto-card:hover {
  transform: translateY(-5px);
}

.balls-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  min-height: 80px;
  align-items: center;
}

.placeholder-text {
  color: var(--text-sub);
  font-style: italic;
  font-size: 0.9rem;
}

.lotto-ball {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--ball-bg);
  color: var(--ball-text);
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: 0 10px 20px -5px oklch(0% 0 0 / 10%);
  animation: ballPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  opacity: 0;
  transform: scale(0);
  transition: background-color var(--transition), color var(--transition);
}

@keyframes ballPop {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.generate-btn {
  position: relative;
  background: var(--text-main);
  color: var(--bg-color);
  border: none;
  padding: 1.2rem 2.5rem;
  border-radius: 1rem;
  font-family: inherit;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color var(--transition), color var(--transition);
}

.generate-btn:active {
  transform: scale(0.98);
}

.btn-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, oklch(100% 0 0 / 20%), transparent);
  transform: translateX(-100%);
  transition: 0.5s;
}

.generate-btn:hover .btn-glow {
  transform: translateX(100%);
}

.contact-section,
.comments-section {
  margin-top: 4rem;
  margin-bottom: 2rem;
}

#disqus_thread {
  min-height: 300px;
  width: 100%;
}

.contact-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: 2rem;
  padding: 2.5rem;
  box-shadow: var(--shadow-lifted);
  border: 1px solid oklch(100% 0 0 / 10%);
  text-align: left;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.input-group label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-sub);
}

.input-group input,
.input-group textarea {
  background: oklch(100% 0 0 / 5%);
  border: 1px solid oklch(100% 0 0 / 10%);
  padding: 1rem;
  border-radius: 0.75rem;
  color: var(--text-main);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.input-group input:focus,
.input-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: oklch(100% 0 0 / 10%);
}

.submit-btn {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  padding: 1rem;
  border-radius: 0.75rem;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.submit-btn:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.submit-btn:active {
  transform: translateY(0);
}

/* Color schemes for balls */
.ball-range-1 { border-top: 4px solid #fbc02d; }
.ball-range-2 { border-top: 4px solid #1976d2; }
.ball-range-3 { border-top: 4px solid #d32f2f; }
.ball-range-4 { border-top: 4px solid #7b1fa2; }
.ball-range-5 { border-top: 4px solid #388e3c; }