/* Global Styles */
    @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
    
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Poppins', sans-serif;
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
        color: #fff;
        text-align: center;
        padding: 20px;
        min-height: 100vh;
        cursor: url('https://cur.cursors-4u.net/nature/nat-10/nat917.cur'), auto;
        position: relative;
        overflow-x: hidden;
    }

    body::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: 
            radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
            radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
            radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.05) 0%, transparent 50%);
        pointer-events: none;
        z-index: -1;
    }

    /* Header */
    .header {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 20px;
        padding: 25px;
        background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 87, 51, 0.15));
        border-radius: 20px;
        box-shadow: 
            0 8px 32px rgba(255, 215, 0, 0.2),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
        margin-bottom: 30px;
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 215, 0, 0.2);
        position: relative;
        overflow: hidden;
    }

    .header::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        transition: left 0.6s;
    }

    .header:hover::before {
        left: 100%;
    }

    .header img {
        width: 60px;
        height: 60px;
        border-radius: 50%;
        border: 2px solid #FFD700;
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
        transition: transform 0.3s ease;
    }

    .header img:hover {
        transform: scale(1.1) rotate(5deg);
    }

    .header h1 {
        font-size: 2.5rem;
        font-weight: 700;
        background: linear-gradient(45deg, #FFD700, #FF5733, #FFD700);
        background-size: 200% 200%;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        animation: shimmer 3s ease-in-out infinite;
        text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
        margin: 0;
    }

    @keyframes shimmer {
        0%, 100% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
    }

    /* Input Fields */
    .input-container {
        position: relative;
        width: 80%;
        max-width: 500px;
        margin: 25px auto;
    }

    textarea, input {
        width: 100%;
        padding: 18px 20px;
        margin: 15px 0;
        border: none;
        background: rgba(34, 34, 34, 0.8);
        color: #FFD700;
        border-radius: 15px;
        outline: none;
        font-size: 16px;
        font-weight: 500;
        transition: all 0.3s ease;
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 215, 0, 0.3);
        box-shadow: 
            0 4px 20px rgba(0, 0, 0, 0.2),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }

    textarea {
        height: 120px;
        resize: none;
    }

    input {
        width: 100%;
    }

    textarea:focus, input:focus {
        border-color: #FF5733;
        box-shadow: 
            0 0 30px rgba(255, 87, 51, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
        transform: translateY(-2px);
    }

    textarea::placeholder, input::placeholder {
        color: rgba(255, 215, 0, 0.6);
        font-weight: 400;
    }

    /* Buttons */
    .button-container {
        display: flex;
        justify-content: center;
        gap: 15px;
        flex-wrap: wrap;
        margin: 30px 0;
    }

    .button {
        background: linear-gradient(135deg, #FFD700 0%, #FF5733 100%);
        color: #fff;
        padding: 16px 32px;
        border: none;
        border-radius: 15px;
        cursor: pointer;
        font-size: 16px;
        font-weight: 600;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
        box-shadow: 
            0 6px 20px rgba(255, 87, 51, 0.3),
            0 4px 10px rgba(0, 0, 0, 0.2);
        min-width: 160px;
    }

    .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 0.6s;
    }

    .button:hover {
        transform: translateY(-3px) scale(1.05);
        box-shadow: 
            0 12px 30px rgba(255, 87, 51, 0.4),
            0 6px 15px rgba(0, 0, 0, 0.3);
    }

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

    .button:active {
        transform: translateY(0) scale(0.98);
        box-shadow: 
            0 4px 15px rgba(255, 87, 51, 0.3),
            0 2px 5px rgba(0, 0, 0, 0.2);
    }

    /* Progress Bar */
    .progress-container {
        width: 80%;
        max-width: 500px;
        background: rgba(51, 51, 51, 0.8);
        border-radius: 15px;
        margin: 25px auto;
        height: 25px;
        overflow: hidden;
        box-shadow: 
            inset 0 2px 10px rgba(0, 0, 0, 0.3),
            0 2px 10px rgba(0, 0, 0, 0.2);
        border: 1px solid rgba(255, 215, 0, 0.2);
    }

    .progress-bar {
        height: 100%;
        width: 0%;
        background: linear-gradient(90deg, #FF5733, #FFD700, #FF5733);
        background-size: 200% 100%;
        border-radius: 15px;
        transition: width 0.4s ease-in-out;
        animation: progressShimmer 2s ease-in-out infinite;
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
    }

    @keyframes progressShimmer {
        0%, 100% { background-position: -200% 0; }
        50% { background-position: 200% 0; }
    }

    /* Footer */
    .footer {
        font-size: 16px;
        margin-top: 40px;
        opacity: 0.8;
        color: rgba(255, 255, 255, 0.7);
        text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
    }

    /* Modal Styles */
    .modal {
        display: none;
        position: fixed;
        z-index: 1000;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        overflow: auto;
        background-color: rgba(0, 0, 0, 0.8);
        backdrop-filter: blur(5px);
        padding-top: 60px;
        animation: fadeIn 0.3s ease;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    .modal-content {
        background: linear-gradient(135deg, rgba(34, 34, 34, 0.95), rgba(26, 26, 46, 0.95));
        margin: 5% auto;
        padding: 30px;
        border-radius: 20px;
        width: 90%;
        max-width: 600px;
        box-shadow: 
            0 20px 60px rgba(0, 0, 0, 0.5),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 215, 0, 0.3);
        backdrop-filter: blur(20px);
        animation: slideUp 0.4s ease;
    }

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

    .close {
        color: #aaa;
        float: right;
        font-size: 32px;
        font-weight: bold;
        transition: color 0.3s ease;
        line-height: 1;
    }

    .close:hover,
    .close:focus {
        color: #FF5733;
        text-decoration: none;
        cursor: pointer;
        transform: scale(1.1);
    }

    /* BIN Result Container */
    .bin-result-container {
        display: flex;
        flex-direction: column;
        gap: 20px;
        padding: 25px;
        background: rgba(51, 51, 51, 0.6);
        border-radius: 15px;
        box-shadow: 
            0 8px 32px rgba(0, 0, 0, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 215, 0, 0.2);
        margin: 20px 0;
    }
    
    .bin-result-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    }
    
    .bin-result-item:last-child {
        border-bottom: none;
    }
    
    .bin-result-item label {
        color: #FFD700;
        font-size: 16px;
        font-weight: 600;
        margin-right: 15px;
        flex-basis: 30%;
        text-align: left;
    }
    
    .bin-result-item input {
        flex-grow: 1;
        padding: 12px;
        font-size: 16px;
        color: #FFD700;
        background: rgba(34, 34, 34, 0.8);
        border: 1px solid rgba(255, 215, 0, 0.3);
        border-radius: 10px;
        box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.2);
        text-align: center;
        font-weight: 500;
    }
    
    .bin-result-item input[readonly] {
        cursor: not-allowed;
        opacity: 0.9;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .header {
            flex-direction: column;
            gap: 15px;
            padding: 20px;
        }
        
        .header h1 {
            font-size: 2rem;
        }
        
        .input-container {
            width: 95%;
        }
        
        .button-container {
            flex-direction: column;
            align-items: center;
        }
        
        .button {
            width: 100%;
            max-width: 300px;
        }
        
        .bin-result-item {
            flex-direction: column;
            gap: 10px;
            text-align: center;
        }
        
        .bin-result-item label {
            flex-basis: auto;
            text-align: center;
        }
    }

    /* Floating Animation */
    @keyframes float {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-10px); }
    }

    .floating {
        animation: float 3s ease-in-out infinite;
    }