/* CSS Variables */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --accent: #f59e0b;
  --background: #f8fafc;
  --surface: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --radius: 12px;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover {
  color: var(--primary-dark);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: white;
}
.btn-block {
  width: 100%;
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo-icon {
  font-size: 1.8rem;
}
.nav-links {
  display: flex;
  gap: 2rem;
}
.nav-links a {
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s;
}
.nav-links a:hover {
  color: var(--primary);
}
.nav-actions {
  display: flex;
  gap: 1rem;
}
.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-primary);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: white;
  padding: 1rem;
  box-shadow: var(--shadow);
  flex-direction: column;
  gap: 1rem;
  z-index: 999;
}
.mobile-menu a {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.mobile-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  min-height: 90vh;
  padding: 4rem 2rem;
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}
.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
}
.hero-cta {
  display: flex;
  gap: 1rem;
}
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.6;
}
.blob-1 {
  width: 300px;
  height: 300px;
  background: #2563eb;
  top: -50px;
  right: -50px;
}
.blob-2 {
  width: 250px;
  height: 250px;
  background: #f59e0b;
  bottom: -50px;
  left: -50px;
}
.hero-image {
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-image svg {
  width: 100%;
  height: 100%;
}

/* Sections common */
section {
  padding: 5rem 0;
}
.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.feature-card {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}
.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* How It Works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 2rem;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}
.step-number {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
}

/* Stats */
.stats {
  background: var(--gradient);
  color: white;
  padding: 4rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-number {
  display: block;
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.stat-label {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.testimonial-card {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--accent);
}
.testimonial-author {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
}
.testimonial-author span {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Plans */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.plan-card {
  background: var(--surface);
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  position: relative;
  border: 2px solid transparent;
  transition: transform 0.3s ease;
}
.plan-card:hover {
  transform: translateY(-5px);
}
.plan-card.popular {
  border-color: var(--accent);
  transform: scale(1.05);
}
.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}
.plan-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin: 1rem 0;
}
.plan-features {
  list-style: none;
  margin: 1.5rem 0;
  text-align: left;
}
.plan-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.plan-features li:last-child {
  border-bottom: none;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--surface);
  margin-bottom: 1rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-question {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}
.faq-question span {
  font-size: 1.5rem;
  transition: transform 0.3s;
}
.faq-item.active .faq-question span {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
  display: none;
}
.faq-item.active .faq-answer {
  display: block;
}

/* CTA */
.cta {
  background: var(--gradient);
  color: white;
  text-align: center;
  padding: 6rem 2rem;
}
.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.cta p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Footer */
.footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-col h4 {
  color: white;
  margin-bottom: 1.5rem;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 0.75rem;
}
.footer-col a {
  color: #cbd5e1;
}
.footer-col a:hover {
  color: white;
}
.social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}
.social-icons a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
}
.social-icons a:hover {
  background: var(--primary);
}
.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.modal-content {
  background: var(--surface);
  padding: 2.5rem;
  border-radius: var(--radius);
  width: 100%;
  max-width: 500px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
  animation: modalFadeIn 0.3s ease;
}
@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
.close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 2rem;
  cursor: pointer;
  color: var(--text-muted);
}
.close:hover {
  color: var(--text-primary);
}
.modal-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Form */
.form-group {
  margin-bottom: 1.5rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}
.form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color 0.3s;
}
.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.form-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}
.error-msg {
  color: #ef4444;
  margin-top: 1rem;
  text-align: center;
}

/* Dashboard Specific */
.dashboard-body {
  background: var(--background);
}
.dashboard-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.dashboard-container {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2rem;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}
.sidebar {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  height: fit-content;
  position: sticky;
  top: 90px;
}
.sidebar-menu {
  list-style: none;
}
.sidebar-menu li {
  padding: 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.3s;
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.sidebar-menu li:hover {
  background: #f1f5f9;
}
.sidebar-menu li.active {
  background: var(--primary);
  color: white;
}
.dashboard-content {
  min-height: 80vh;
}
.dashboard-section {
  display: none;
  animation: fadeIn 0.4s ease;
}
.dashboard-section.active {
  display: block;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Stats Cards */
.stats-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--surface);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}
.stat-card h4 {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
}

/* Progress */
.progress-section {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}
.progress-bar {
  height: 12px;
  background: #e2e8f0;
  border-radius: 6px;
  overflow: hidden;
  margin: 1rem 0;
}
.progress-fill {
  height: 100%;
  background: var(--gradient);
  transition: width 0.5s ease;
}
#dailyProgressText {
  font-weight: 600;
  color: var(--text-secondary);
}

/* Quick Actions */
.quick-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Songs List */
.songs-list {
  display: grid;
  gap: 1rem;
}
.song-item {
  background: var(--surface);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.song-info h4 {
  margin-bottom: 0.25rem;
}
.song-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.song-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* Wallet */
.wallet-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.wallet-card {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}
.balance-amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin: 1rem 0;
}
.balance-note {
  font-size: 0.9rem;
  color: var(--text-muted);
}
.withdraw-form {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  max-width: 500px;
}
.history-section {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Referrals */
.referral-info {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}
.referral-code-box {
  margin: 1.5rem 0;
}
.code-display {
  display: flex;
  gap: 0.5rem;
}
.code-display input {
  flex: 1;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: monospace;
  font-size: 1.1rem;
}
.referral-link {
  word-break: break-all;
  color: var(--text-secondary);
}
.referrals-list {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Notifications */
.notifications-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.notification-item {
  background: var(--surface);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
}
.notification-item.unread {
  border-left-color: var(--accent);
  background: #fffbeb;
}
.notification-time {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Leaderboard */
.leaderboard-table {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th,
.data-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.data-table th {
  background: #f8fafc;
  font-weight: 600;
  color: var(--text-secondary);
}
.data-table tr:hover {
  background: #f8fafc;
}
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}
.status-pending { background: #fef3c7; color: #92400e; }
.status-approved { background: #d1fae5; color: #065f46; }
.status-rejected { background: #fee2e2; color: #991b1b; }
.status-completed { background: #d1fae5; color: #065f46; }

/* Admin Specific */
.admin-body {
  background: var(--background);
}
.admin-login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
}
.admin-login-box {
  background: white;
  padding: 3rem;
  border-radius: var(--radius);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
  width: 100%;
  max-width: 450px;
  text-align: center;
}
.admin-subtitle {
  color: var(--text-muted);
  margin-bottom: 2rem;
}
.admin-badge {
  background: var(--accent);
  color: white;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  margin-left: 0.5rem;
}
.admin-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: white;
  box-shadow: var(--shadow);
}
.admin-container {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2rem;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}
.admin-sidebar {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  height: fit-content;
  position: sticky;
  top: 90px;
}
.admin-menu {
  list-style: none;
}
.admin-menu li {
  padding: 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.3s;
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.admin-menu li:hover {
  background: #f1f5f9;
}
.admin-menu li.active {
  background: var(--primary);
  color: white;
}
.admin-content {
  min-height: 80vh;
}
.admin-tab {
  display: none;
}
.admin-tab.active {
  display: block;
  animation: fadeIn 0.4s ease;
}
.admin-actions {
  margin-bottom: 1.5rem;
  text-align: right;
}
.table-responsive {
  overflow-x: auto;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 2rem;
  }
  .hero-subtitle {
    margin: 0 auto 2rem;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-visual {
    display: none;
  }
  .dashboard-container {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    margin-bottom: 2rem;
  }
  .admin-container {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions {
    display: none;
  }
  .hamburger {
    display: block;
  }
  .mobile-menu {
    display: flex;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .wallet-info {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .plan-card.popular {
    transform: none;
  }
}