/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #4F46E5;
  --primary-dark: #4338CA;
  --success-color: #10B981;
  --danger-color: #EF4444;
  --text-color: #1F2937;
  --bg-color: #F9FAFB;
  --white: #FFFFFF;
  --border-color: #E5E7EB;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
}

/* Navbar */
.navbar {
  background: var(--white);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-brand h1 {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.logo {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 20px;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 3rem 0;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  border-radius: 10px;
  margin-bottom: 2rem;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

/* Latest Result */
.latest-result {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  margin-bottom: 2rem;
  text-align: center;
}

.latest-result h3 {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.winning-number {
  font-size: 3rem;
  font-weight: bold;
  color: var(--primary-color);
  letter-spacing: 0.5rem;
  margin: 1rem 0;
  font-family: 'Courier New', monospace;
}

.draw-time {
  color: #6B7280;
  font-size: 0.9rem;
}

/* Next Draw */
.next-draw {
  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
  border: 2px solid #F59E0B;
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  margin-bottom: 2rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.next-draw > p {
  font-weight: 600;
  color: #92400E;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

/* Countdown Timer */
.countdown-timer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin: 1.5rem 0;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: white;
  padding: 1rem 1.5rem;
  border-radius: 10px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  min-width: 80px;
}

.countdown-value {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--primary-color);
  line-height: 1;
  font-family: 'Courier New', monospace;
}

.countdown-label {
  font-size: 0.75rem;
  color: #6B7280;
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.countdown-separator {
  font-size: 2rem;
  font-weight: bold;
  color: #F59E0B;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.countdown-expired {
  font-size: 1.5rem;
  font-weight: bold;
  color: #059669;
  padding: 1rem;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.next-draw-date {
  font-size: 0.9rem;
  color: #92400E;
  margin-top: 1rem;
  opacity: 0.8;
}

/* Guess Form */
.guess-form-container {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  max-width: 500px;
  margin: 0 auto;
}

.guess-form-container h3 {
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  text-align: center;
}

/* My History Section */
.my-history-container {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  margin-top: 2rem;
}

.my-history-container h3 {
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  text-align: center;
}

.my-guesses-list {
  max-height: 500px;
  overflow-y: auto;
}

.my-guesses-list .loading,
.my-guesses-list .empty {
  text-align: center;
  color: #6B7280;
  padding: 2rem;
}

.guess-items {
  display: grid;
  gap: 1rem;
}

.guess-item {
  background: var(--bg-color);
  padding: 1rem;
  border-radius: 8px;
  border-left: 4px solid #E5E7EB;
  transition: all 0.3s;
}

.guess-item:hover {
  transform: translateX(5px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.guess-item.pending {
  border-left-color: #F59E0B;
  background: #FFFBEB;
}

.guess-item.winner {
  border-left-color: var(--success-color);
  background: #F0FDF4;
}

.guess-item.lose {
  border-left-color: #6B7280;
  background: #F9FAFB;
}

.guess-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.guess-numbers {
  font-size: 1.5rem;
  font-weight: bold;
  font-family: 'Courier New', monospace;
  color: var(--primary-color);
}

.guess-status {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.guess-status.pending {
  background: #FEF3C7;
  color: #92400E;
}

.guess-status.winner {
  background: #D1FAE5;
  color: #065F46;
}

.guess-status.lose {
  background: #F3F4F6;
  color: #4B5563;
}

.result-info {
  margin: 0.5rem 0;
  padding: 0.5rem;
  background: white;
  border-radius: 6px;
  font-size: 0.9rem;
  color: #6B7280;
}

.guess-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: #9CA3AF;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-color);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-block {
  width: 100%;
}

/* Messages */
.message {
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1rem;
  text-align: center;
  font-weight: 500;
}

.message.success {
  background: #D1FAE5;
  color: #065F46;
  border: 2px solid var(--success-color);
}

.message.error {
  background: #FEE2E2;
  color: #991B1B;
  border: 2px solid var(--danger-color);
}

/* Quick Links */
.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.quick-link-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--white);
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  text-decoration: none;
  color: var(--text-color);
  transition: all 0.3s;
}

.quick-link-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.15);
  background: var(--primary-color);
  color: var(--white);
}

.quick-link-card .icon {
  font-size: 2rem;
}

.quick-link-card .text {
  font-weight: 600;
  font-size: 1.1rem;
}

/* All Guesses Page */
.all-guesses-container {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.filter-tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--border-color);
  background: var(--white);
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.tab-btn:hover {
  background: var(--bg-color);
}

.tab-btn.active {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.guesses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.guess-card {
  background: var(--bg-color);
  padding: 1.5rem;
  border-radius: 10px;
  border-left: 4px solid #E5E7EB;
  transition: all 0.3s;
}

.guess-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.guess-card.pending {
  border-left-color: #F59E0B;
  background: #FFFBEB;
}

.guess-card.winner {
  border-left-color: var(--success-color);
  background: #F0FDF4;
}

.guess-card.lose {
  border-left-color: #6B7280;
  background: #F9FAFB;
}

.guess-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.guess-nickname {
  font-weight: 600;
  color: var(--text-color);
}

.guess-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.guess-badge.pending {
  background: #FEF3C7;
  color: #92400E;
}

.guess-badge.winner {
  background: #D1FAE5;
  color: #065F46;
}

.guess-badge.lose {
  background: #F3F4F6;
  color: #4B5563;
}

.guess-number-display {
  font-size: 2rem;
  font-weight: bold;
  font-family: 'Courier New', monospace;
  color: var(--primary-color);
  text-align: center;
  letter-spacing: 0.3rem;
  margin: 1rem 0;
}

.guess-result-info {
  background: white;
  padding: 0.75rem;
  border-radius: 6px;
  margin: 1rem 0;
}

.result-detail {
  display: flex;
  justify-content: space-between;
  margin: 0.25rem 0;
  font-size: 0.9rem;
}

.result-detail .label {
  color: #6B7280;
}

.result-detail .value {
  font-weight: 600;
  color: var(--text-color);
}

.guess-pending-info {
  text-align: center;
  color: #92400E;
  font-style: italic;
  padding: 0.75rem;
  background: white;
  border-radius: 6px;
  margin: 1rem 0;
}

.guess-timestamp {
  font-size: 0.85rem;
  color: #9CA3AF;
  text-align: center;
  margin-top: 1rem;
}

/* My Guesses Page */
.my-guesses-page {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.my-guesses-list-page {
  min-height: 300px;
}

.stats-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-box {
  background: var(--bg-color);
  padding: 1.5rem;
  border-radius: 10px;
  text-align: center;
  border-left: 4px solid var(--primary-color);
}

.stat-box.winner {
  background: #F0FDF4;
  border-left-color: var(--success-color);
}

.stat-box.pending {
  background: #FFFBEB;
  border-left-color: #F59E0B;
}

.stat-box.lose {
  background: #F9FAFB;
  border-left-color: #6B7280;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--primary-color);
}

.stat-box.winner .stat-number {
  color: var(--success-color);
}

.stat-box.pending .stat-number {
  color: #F59E0B;
}

.stat-box.lose .stat-number {
  color: #6B7280;
}

.stat-label {
  font-size: 0.9rem;
  color: #6B7280;
  margin-top: 0.5rem;
}

/* History Page */
.page-header {
  text-align: center;
  margin-bottom: 2rem;
}

.page-header h2 {
  font-size: 2rem;
  color: var(--primary-color);
}

.page-header p {
  color: #6B7280;
  margin-top: 0.5rem;
}

.results-list {
  display: grid;
  gap: 1.5rem;
}

.result-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.result-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-color);
}

.result-number {
  font-weight: bold;
  color: var(--primary-color);
}

.result-date {
  color: #6B7280;
  font-size: 0.9rem;
}

.winning-number-display {
  font-size: 2rem;
  font-weight: bold;
  color: var(--primary-color);
  text-align: center;
  letter-spacing: 0.3rem;
  margin: 1rem 0;
  font-family: 'Courier New', monospace;
}

.result-stats {
  display: flex;
  justify-content: space-around;
  margin: 1rem 0;
}

.stat {
  text-align: center;
}

.stat-label {
  display: block;
  font-size: 0.9rem;
  color: #6B7280;
}

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--text-color);
}

.stat-value.winner {
  color: var(--success-color);
}

/* Winners Section */
.winners-section {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 2px solid var(--border-color);
}

.winners-section h4 {
  margin-bottom: 0.5rem;
  color: var(--success-color);
}

.winners-list {
  list-style: none;
}

.winners-list li {
  padding: 0.5rem;
  background: #F0FDF4;
  margin-bottom: 0.5rem;
  border-radius: 6px;
  display: flex;
  justify-content: space-between;
}

.winner-name {
  font-weight: 600;
}

.winner-numbers {
  font-family: 'Courier New', monospace;
  color: var(--primary-color);
  font-weight: bold;
}

.no-winners {
  text-align: center;
  color: #6B7280;
  font-style: italic;
  margin-top: 1rem;
}

.empty-state {
  text-align: center;
  padding: 3rem;
  color: #6B7280;
}

/* Footer */
footer {
  background: var(--white);
  padding: 2rem 0;
  margin-top: 4rem;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

footer p {
  color: #6B7280;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar .container {
    flex-direction: column;
    gap: 1rem;
  }

  .hero h2 {
    font-size: 1.8rem;
  }

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

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Responsive guesses */
  .guesses-grid {
    grid-template-columns: 1fr;
  }

  .stats-summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .filter-tabs {
    gap: 0.5rem;
  }

  .tab-btn {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
  }

  .guess-number-display {
    font-size: 1.5rem;
    letter-spacing: 0.2rem;
  }

  .guess-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  /* Responsive countdown */
  .countdown-timer {
    gap: 0.3rem;
  }

  .countdown-item {
    padding: 0.75rem 1rem;
    min-width: 60px;
  }

  .countdown-value {
    font-size: 1.8rem;
  }

  .countdown-label {
    font-size: 0.65rem;
  }

  .countdown-separator {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .countdown-timer {
    gap: 0.25rem;
  }

  .countdown-item {
    padding: 0.5rem 0.75rem;
    min-width: 50px;
  }

  .countdown-value {
    font-size: 1.5rem;
  }

  .countdown-label {
    font-size: 0.6rem;
  }
}