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

        :root {
            --primary-color: #6366f1;
            --secondary-color: #8b5cf6;
            --accent-color: #ec4899;
            --text-primary: #1f2937;
            --text-secondary: #6b7280;
            --bg-primary: #ffffff;
            --bg-secondary: #f9fafb;
            --bg-card: #ffffff;
            --border-color: #e5e7eb;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
        }

        [data-theme="dark"] {
            --text-primary: #f9fafb;
            --text-secondary: #d1d5db;
            --bg-primary: #111827;
            --bg-secondary: #1f2937;
            --bg-card: #1f2937;
            --border-color: #374151;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
        }

        body {
            font-family: var(--font-primary);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            transition: all 0.3s ease;
            min-height: 100vh;
            background-image: linear-gradient(135deg, var(--primary-color)20, var(--secondary-color)20);
        }

        .container {
            max-width: 480px;
            margin: 0 auto;
            padding: 20px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .header {
            text-align: center;
            margin-bottom: 30px;
            position: relative;
        }

        .theme-toggle {
            position: absolute;
            top: 0;
            right: 500px;
            background: var(--bg-card);
            border: 2px solid var(--border-color);
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
        }

        .theme-toggle:hover {
            transform: scale(1.1);
            box-shadow: var(--shadow-lg);
        }

        .profile-section {
            background: var(--bg-card);
            border-radius: 24px;
            padding: 40px 30px;
            margin-bottom: 30px;
            width: 100%;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .profile-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
        }

        .profile-picture {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            margin: 0 auto 20px;
            border: 4px solid var(--primary-color);
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 48px;
            color: white;
            box-shadow: var(--shadow-lg);
            transition: all 0.3s ease;
        }

        .profile-picture:hover {
            transform: scale(1.05);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }

        .username {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .bio {
            color: var(--text-secondary);
            font-size: 16px;
            margin-bottom: 20px;
            line-height: 1.5;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 20px;
        }

        .social-icon {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-secondary);
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 2px solid var(--border-color);
        }

        .social-icon:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .social-icon.instagram:hover { background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045); color: white; }
        .social-icon.twitter:hover { background: #1da1f2; color: white; }
        .social-icon.linkedin:hover { background: #0077b5; color: white; }
        .social-icon.youtube:hover { background: #ff0000; color: white; }
        .social-icon.github:hover { background: #333; color: white; }

        .links-section {
            width: 100%;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .link-item {
            background: var(--bg-card);
            border: 2px solid var(--border-color);
            border-radius: 16px;
            padding: 20px;
            text-decoration: none;
            color: var(--text-primary);
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 15px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .link-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-color);
        }

        .link-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 0;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            transition: width 0.3s ease;
        }

        .link-item:hover::before {
            width: 4px;
        }

        .link-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-secondary);
            color: var(--primary-color);
            font-size: 20px;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .link-item:hover .link-icon {
            background: var(--primary-color);
            color: white;
            transform: scale(1.1);
        }

        .link-content {
            flex: 1;
        }

        .link-title {
            font-weight: 600;
            font-size: 18px;
            margin-bottom: 4px;
        }

        .link-description {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .link-arrow {
            color: var(--text-secondary);
            font-size: 18px;
            transition: all 0.3s ease;
        }

        .link-item:hover .link-arrow {
            color: var(--primary-color);
            transform: translateX(5px);
        }

        .stats-section {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 20px;
            margin-top: 30px;
            width: 100%;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .stat-number {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 12px;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .qr-section {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 20px;
            margin-top: 20px;
            width: 100%;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .qr-code {
            width: 150px;
            height: 150px;
            background: var(--bg-secondary);
            border-radius: 12px;
            margin: 0 auto 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 48px;
            color: var(--text-secondary);
            border: 2px dashed var(--border-color);
        }

        .qr-text {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .footer {
            margin-top: 40px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 12px;
        }

        .admin-toggle {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: var(--primary-color);
            color: white;
            border: none;
            border-radius: 50%;
            width: 60px;
            height: 60px;
            font-size: 20px;
            cursor: pointer;
            box-shadow: var(--shadow-lg);
            transition: all 0.3s ease;
            z-index: 100;
        }

        .admin-toggle:hover {
            transform: scale(1.1);
            background: var(--secondary-color);
        }

        .admin-panel {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.8);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 200;
        }

        .admin-content {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 30px;
            max-width: 500px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
        }

        .admin-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .admin-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-color);
        }

        .close-admin {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--text-secondary);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .form-input {
            width: 100%;
            padding: 12px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            background: var(--bg-secondary);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color 0.3s ease;
        }

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

        .color-picker {
            width: 60px;
            height: 40px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
        }

        .save-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

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

        @media (max-width: 480px) {
            .container {
                padding: 15px;
            }

            .profile-section {
                padding: 30px 20px;
            }

            .username {
                font-size: 24px;
            }

            .link-item {
                padding: 15px;
            }

            .stats-grid {
                gap: 15px;
            }
        }

        .pulse {
            animation: pulse 2s infinite;
        }

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

        .fade-in {
            animation: fadeIn 0.5s ease-in;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }