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

    :root {
      --primary: #6366f1;
      --primary-dark: #4f46e5;
      --secondary: #ec4899;
      --success: #10b981;
      --danger: #ef4444;
      --warning: #f59e0b;
      --dark: #0f172a;
      --dark-light: #1e293b;
      --dark-lighter: #334155;
      --text: #f1f5f9;
      --text-muted: #94a3b8;
      --border: #475569;
      --glass: rgba(255, 255, 255, 0.1);
      --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      background: var(--dark);
      color: var(--text);
      min-height: 100vh;
      position: relative;
      overflow-x: hidden;
    }

    body::before {
      content: '';
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(16, 185, 129, 0.2) 0%, transparent 50%);
      z-index: -1;
      animation: float 20s ease-in-out infinite;
    }

    @keyframes float {
      0%, 100% { transform: translate(0, 0) rotate(0deg); }
      33% { transform: translate(30px, -30px) rotate(120deg); }
      66% { transform: translate(-20px, 20px) rotate(240deg); }
    }

    header {
      padding: 2rem 0;
      text-align: center;
      position: relative;
      margin-bottom: 2rem;
    }

    h1 {
      font-size: clamp(2rem, 5vw, 3.5rem);
      font-weight: 800;
      background: var(--gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 0.5rem;
      animation: slideInDown 0.8s ease-out;
    }

    header h2 {
      color: var(--text-muted);
      font-weight: 400;
      font-size: 1.2rem;
      animation: slideInUp 0.8s ease-out;
    }

    @keyframes slideInDown {
      from { transform: translateY(-50px); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }

    @keyframes slideInUp {
      from { transform: translateY(50px); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }

    nav {
      display: flex;
      justify-content: center;
      gap: 1rem;
      flex-wrap: wrap;
      margin-top: 2rem;
      padding: 0 1rem;
    }

    nav a {
      padding: 0.75rem 1.5rem;
      background: var(--glass);
      border: 1px solid var(--border);
      border-radius: 50px;
      color: var(--text);
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: 500;
      backdrop-filter: blur(10px);
      transition: all 0.3s ease;
    }

    nav a:hover {
      background: var(--primary);
      border-color: var(--primary);
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
    }

    main {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1rem;
      display: grid;
      gap: 2rem;
    }

    .card {
      background: var(--glass);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 2rem;
      backdrop-filter: blur(20px);
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
      transition: all 0.3s ease;
      animation: fadeInUp 0.6s ease-out;
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: 0 16px 64px rgba(0, 0, 0, 0.4);
    }

    @keyframes fadeInUp {
      from { transform: translateY(30px); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }

    .card h2 {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 1.5rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
    }

    @media (max-width: 768px) {
      .grid-2 { grid-template-columns: 1fr; }
    }
.footer-links  a {
display: flex;
flex-direction: column;
padding: 10px;
}
    form {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .input-group {
      position: relative;
    }

    input {
      width: 100%;
      padding: 1rem 1.5rem;
      background: var(--dark-light);
      border: 2px solid var(--border);
      border-radius: 12px;
      color: var(--text);
      font-size: 1rem;
      transition: all 0.3s ease;
    }

    input:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
      transform: translateY(-2px);
    }

    input::placeholder {
      color: var(--text-muted);
    }

    .button-group {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
    }

    button {
      flex: 1;
      padding: 1rem 2rem;
      border: none;
      border-radius: 12px;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
      min-width: 120px;
    }

    button::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
      transition: left 0.5s ease;
    }

    button:hover::before {
      left: 100%;
    }

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

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 32px rgba(99, 102, 241, 0.4);
    }
    .btn-small {
    
  padding:24px;
  margin: 8px;
  font-size: 0.85rem;
  border-radius: 8px;
  max-width: 200px;
  height: 20px;
}

    .btn-secondary {
       
    background: var(--danger);
    }

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

    .summary {
      text-align: center;
      padding: 2rem;
      background: var(--gradient);
      border-radius: 20px;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.02); }
    }

    .summary p {
      font-size: 1.3rem;
      font-weight: 600;
      color: white;
      margin: 0.5rem 0;
    }

    .info-section {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1rem;
      margin: 1.5rem 0;
    }

    .info-item {
      background: var(--dark-light);
      padding: 1.5rem;
      border-radius: 12px;
      text-align: center;
      border-left: 4px solid var(--primary);
    }

    .info-item label {
      display: block;
      color: var(--text-muted);
      font-size: 0.9rem;
      margin-bottom: 0.5rem;
    }

    .info-item span {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text);
    }

    .history-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
    }

    .history-column {
      background: var(--dark-light);
      border-radius: 12px;
      padding: 1.5rem;
      min-height: 200px;
    }

    .history-column h3 {
      text-align: center;
      margin-bottom: 1rem;
      padding-bottom: 0.5rem;
      border-bottom: 2px solid var(--border);
    }

    .gains h3 {
      color: var(--success);
      border-bottom-color: var(--success);
    }

    .losses h3 {
      color: var(--danger);
      border-bottom-color: var(--danger);
    }

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

    .history-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem;
      margin: 0.5rem 0;
      background: var(--glass);
      border-radius: 8px;
      border-left: 4px solid;
      animation: slideInLeft 0.3s ease-out;
    }

    @keyframes slideInLeft {
      from { transform: translateX(-20px); opacity: 0; }
      to { transform: translateX(0); opacity: 1; }
    }

    .gains .history-item {
      border-left-color: var(--success);
    }

    .losses .history-item {
      border-left-color: var(--danger);
    }

    .delete-btn {
      background: var(--danger);
      color: white;
      border: none;
      border-radius: 50%;
      width: 30px;
      height: 30px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 0.8rem;
      transition: all 0.2s ease;
    }

    .delete-btn:hover {
      transform: scale(1.1);
      background: #dc2626;
    }

    footer {
      margin-top: 4rem;
      padding: 2rem;
      text-align: center;
      justify-content: center;
      background: var(--dark-light);
      border-top: 1px solid var(--border);

    }

    footer p {
      color: var(--text-muted);
      margin-bottom: 1rem;
    }

    footer a {
      color: var(--primary);
      text-decoration: none;
      margin: 0 0.5rem;
    }

    footer a:hover {
      text-decoration: underline;
    }

    .footer-buttons {
        
      margin-top: 1.5rem;
      display: flex;
      justify-content: center;
      gap: 1rem;
      flex-wrap: wrap;
      text-align: center;
    }

    .floating-elements {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: -1;
    }

    .floating-crypto {
      position: absolute;
      font-size: 2rem;
      opacity: 0.1;
      animation: floatCrypto 15s linear infinite;
    }

    @keyframes floatCrypto {
      0% { transform: translateY(100vh) rotate(0deg); }
      100% { transform: translateY(-100px) rotate(360deg); }
    }