:root {    
  --primary: #f26c21;
  --secondary: #e5e7eb;
  --error: #ef4444;
  --success: #22c55e;
  --warning: #f59e0b;
  --background-light: #ffffff;
  --paper-light: #f3f4f6;
  --background-dark: #1c2526;
  --paper-dark: #2c3e50;
  --text-light: #111827;
  --text-dark: #e5e7eb;
  --menu-bg: #999999;
  --menu-tab-bg: #ffffff;
}

[data-theme="dark"] {
  --background: var(--background-dark);
  --paper: var(--paper-dark);
  --text: var(--text-dark);
  --menu-tab-bg: rgba(31, 41, 55, 0.95);
}

[data-theme="light"] {
  --background: var(--background-light);
  --paper: var(--paper-light);
  --text: var(--text-light);
  --menu-tab-bg: rgba(255, 255, 255, 0.95);
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  position: relative;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  text-align: center;
}

.background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1;
  opacity: 0.6;
}

.shape {
  position: absolute;
  filter: blur(60px) brightness(1.3);
  opacity: 0.7;
  animation: float 20s ease-in-out infinite;
  transform-style: preserve-3d;
}

.circle {
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ffeb3b, #f57f17);
  box-shadow: 0 0 50px rgba(255, 235, 59, 0.7);
}

.circle:nth-child(5) {
  background: radial-gradient(circle at 30% 30%, #ff5722, #bf360c);
  box-shadow: 0 0 50px rgba(255, 87, 34, 0.7);
}

.rect {
  background: linear-gradient(135deg, #00e5ff, #01579b);
  box-shadow: 0 0 50px rgba(0, 229, 255, 0.7);
}

.triangle {
  width: 0;
  height: 0;
  border-left: 150px solid transparent;
  border-right: 150px solid transparent;
  border-bottom: 260px solid #d500f9;
  filter: blur(50px) brightness(1.3);
  box-shadow: 0 0 50px rgba(213, 0, 249, 0.7);
}

.ring {
  border-radius: 50%;
  border: 40px solid transparent;
  border-top-color: #00ff6a;
  border-bottom-color: #00ff6a;
  filter: blur(50px) brightness(1.3);
  box-shadow: 0 0 50px rgba(0, 255, 106, 0.7);
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-50px) rotate(180deg); }
}

.navbar {
  position: sticky;
  top: 0;
  background: var(--menu-tab-bg);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 1rem 0;
}







/* Header */
.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 1rem 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo h1 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--text);
  text-decoration: none;
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav-menu {
  flex-grow: 1;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: center;
}

.nav-tabs {
  display: flex;
  background: var(--menu-bg);
  border-radius: 5px;
  padding: 0.2rem;
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.15);
}

.nav-tab {
  padding: 0.5rem 1.5rem;
  border-radius: 5px;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  background: transparent;
  transition: all 0.3s ease;
  pointer-events: auto;
}

.nav-tab.active {
  background: var(--menu-tab-bg);
  color: var(--text);
}

.nav-tab:hover {
  background: var(--secondary);
  color: var(--text-light);
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: color 0.3s;
}

.nav-link:hover {
  color: var(--primary);
}

.header-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.theme-toggle,
.notification-toggle,
.burger-menu {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text);
  cursor: pointer;
  pointer-events: auto;
  z-index: 1001;
}

.notification-toggle {
  position: relative;
}

.notification-count {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--error);
  color: var(--text-dark);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 50%;
}

.burger-menu {
  display: none;
  padding: 0.7rem;
  border-radius: 8px;
  transition: transform 0.3s ease-in-out;
}

.burger-menu:hover {
  transform: scale(1.1);
}

.burger-menu .icon {
  font-size: 1.8rem;
  color: var(--text);
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--menu-tab-bg);
    backdrop-filter: blur(10px);
    padding: 1rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    border-radius: 0 0 12px 12px;
    z-index: 999;
  }

  .nav-tabs {
    flex-direction: column;
    background: none;
    box-shadow: none;
  }

  .nav-tab {
    width: 100%;
    text-align: center;
    padding: 0.75rem;
    border-radius: 12px;
  }
  
  .nav-menu.active {
    display: flex;
    gap: 0.5rem;
  }
  .burger-menu {
    display: block;
  }
  .nav-link {
    width: 100%;
    text-align: center;
    padding: 0.5rem;
  }
  .logo {
    font-size: 1.2rem;
  }
  .logo-img {
    width: 30px;
    height: 30px;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .nav-menu {
    gap: 1rem;
  }
  .nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}