:root {
    /* Default is now Digital Dark Theme */
    --bg-color: #000;
    --container-bg: #1f1f1f;
    --text-color: #e0e0e0;
    --input-bg: #2a2a2a;
    --input-border: #444;
    --primary-btn: #00cc00;
    --primary-btn-hover: #00b300;
    --divider-color: #666;
    --accent-color: #00cc00;
}

/* Optional: Light theme variables */
.light-theme {
    --bg-color: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --container-bg: #fff;
    --text-color: #333;
    --input-bg: #fff;
    --input-border: #ddd;
    --primary-btn: #4CAF50;
    --primary-btn-hover: #45a049;
    --divider-color: #999;
    --accent-color: #4CAF50;
}

body {
    background: var(--bg-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    position: relative;
    overflow: hidden;
    transition: background 0.3s ease;
}

/* Digital background effect (now always active) */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 204, 0, 0.1) 0%, transparent 70%), 
                repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.05) 0px, rgba(255, 255, 255, 0.05) 10px, transparent 10px, transparent 20px);
    z-index: -1;
    opacity: 0.8;
}

        .auth-container {
            background: var(--container-bg);
            border-radius: 15px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
            overflow: hidden;
            max-width: 900px;
            min-height: 60vh;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            border: 1px solid var(--accent-color);
            transition: background 0.3s ease, border 0.3s ease;
        }
        .auth-image {
            background: url('https://i0.wp.com/media1.giphy.com/media/12dAkjipxibUSA/giphy.gif') no-repeat center/cover;
            flex: 1;
            min-height: 500px;
            display: none;
            border-right: 1px solid var(--accent-color);
            position: relative;
        }

.left-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
        .auth-form {
            padding: 20px;
            flex: 1;
            min-width: 320px;
            max-height: 90vh; /* Fixed height to enable scrolling */
            overflow-y: auto; /* Enable vertical scrolling */
            -webkit-overflow-scrolling: touch; /* Smooth scrolling on touch devices */
        }
        .reg-form-div {
            margin-top: 2rem;
        }
        .logo {
            max-width: 150px;
            margin-bottom: 20px;
            /*filter: drop-shadow(0 0 5px var(--accent-color));*/
        }
        h4 {
            font-weight: 600;
            color: var(--text-color);
            text-shadow: 0 0 5px var(--accent-color);
        }
        p {
            color: #bbb;
            margin-bottom: 30px;
        }
        .form-control {
            border-radius: 8px;
            padding: 3px;
            border: 1px solid var(--input-border);
            background: var(--input-bg);
            color: var(--text-color);
            box-shadow: inset 0 0 5px rgba(0, 204, 0, 0.2);
        }
        .form-label {
            font-weight: 500;
            color: var(--text-color);
        }
        .input-group-text {
            background: var(--input-bg);
            border: 1px solid var(--input-border);
            color: var(--text-color);
        }
        .btn-primary {
            background: var(--primary-btn);
            border: none;
            padding: 12px;
            font-size: 16px;
            border-radius: 8px;
            box-shadow: 0 0 10px var(--primary-btn);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .btn-primary:hover {
            background: var(--primary-btn-hover);
            box-shadow: 0 0 15px var(--primary-btn-hover);
        }
        .btn-secondary {
            border-radius: 8px;
            padding: 12px;
        }
        .text-danger {
            font-size: 12px;
        }
        .form-check-label ripr form-check-input {
            color: var(--text-color);
        }
        .theme-toggle {
            position: fixed;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            font-size: 20px;
            cursor: pointer;
            color: var(--text-color);
            text-shadow: 0 0 5px var(--accent-color);
            transition: transform 0.2s ease;
        }
        .theme-toggle:hover {
            transform: scale(1.2);
        }
        .developer-btn {
            position: fixed;
            top: 15px;
            right: 60px;
            background: yellow;
            color: blue;
            padding: 10px 20px;
            border-radius: 25px;
            font-size: 14px;
            text-decoration: none;
            box-shadow: 0 0 10px var(--primary-btn);
            transition: transform 0.2s ease, box-shadow 0.3s ease;
        }
        .developer-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 15px var(--primary-btn-hover);
            color: #fff;
        }
        .divider {
            display: flex;
            align-items: center;
            text-align: center;
            color: var(--divider-color);
            margin: 30px 0;
        }
        .divider::before, .divider::after {
            content: '';
            flex: 1;
            border-bottom: 1px solid var(--divider-color);
        }
        .divider::before {
            margin-right: 10px;
        }
        .divider::after {
            margin-left: 10px;
        }
        #toast-container {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1050;
        }
        .toast {
            background: var(--container-bg);
            color: var(--text-color);
            border: 1px solid var(--accent-color);
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }
        @media (min-width: 768px) {
            .auth-image {
                display: block;
            }
        }