/* CSS Variables - Blue and Black Theme (Dark Mode) */
        :root {
            --bg: #121212;          /* Deep Black/Background */
            --panel: #1f2937;       /* Dark Slate Gray Card */
            --text-light: #ffffff;  /* Pure White text */
            --text-dark: #d1d5db;   /* Light Gray primary text on card */
            --muted: #9ca3af;       /* Muted gray for secondary text */

            --brand: #3b82f6;         /* Vibrant Electric Blue Accent */
            --brand-hover: #2563eb;   /* Slightly Darker Blue Hover */
            
            --input-bg: #374151;      /* Darker input background */
            --input-border: #4b5563;  /* Darker input border */

            /* Theme Usage */
            --bg-color: var(--bg);
            --card-bg: var(--panel);
            --text-primary: var(--text-dark); 
            --text-secondary: var(--muted);
            --text-placeholder: var(--muted);
            --border-color: var(--input-border);
            --accent-color: var(--brand);
            --accent-hover: var(--brand-hover);
            --button-text: #ffffff; 

            /* Styling */
            --radius: 16px;
            --shadow: 0 10px 30px rgba(0,0,0,0.5); 
            --success-color: #10b981; 
            --error-color: #dc2626;  
            --ring: rgba(59, 130, 246, 0.4); 
        }

        /* Reset and Base Styles */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'Poppins', sans-serif;
            background-color: var(--bg-color);
            display: flex; justify-content: center; align-items: center;
            min-height: 100vh; color: var(--text-primary); padding: 20px;
            overflow-x: hidden;
        }

        /* --- Custom Layouts (Replaces container and card) --- */
        .main-container {
            background: var(--card-bg); padding: 0; border-radius: var(--radius);
            box-shadow: var(--shadow); max-width: 900px; width: 80%;
            display: flex; align-items: stretch; border: 1px solid var(--border-color);
            overflow: hidden; animation: fadeIn 0.8s ease-in-out;
        }

        /* Left Side: Logo Section (Blue Accent) */
        .logo-section {
            flex: 1; display: flex; flex-direction: column; justify-content: center; align-items: center;
            padding: 40px; 
            background: linear-gradient(135deg, #1e3a8a, var(--brand)); 
            color: var(--text-light);
        }
        .logo-circle-wrapper {
            width: 250px; height: 250px; overflow: hidden; border-radius: 50%; border: 4px solid var(--text-light); box-shadow: 0 0 0 10px rgba(255,255,255,0.2); margin-bottom: 20px;
            background: rgba(255, 255, 255, 0.1);
        }
        .logo-section img { width: 100%; height: 100%; object-fit: cover; }
        .logo-content { text-align: center; margin-top: 20px; }
        .logo-content h1 {
            font-weight: 700; font-size: 32px; color: var(--text-light); text-transform: uppercase; margin-bottom: 5px;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
        }
        .logo-content p { font-size: 15px; color: rgba(255,255,255,0.9); }

        /* Right Side: Form Section */
        .form-section { flex: 1; padding: 50px 60px; background: var(--card-bg); position: relative; }
        h2 { 
            font-weight: 700; text-align: center; margin-bottom: 35px; font-size: 30px; 
            color: var(--accent-color); 
            text-transform: uppercase; 
        }
        
        /* Step Indicators */
        .step-indicator {
            display: flex; justify-content: center; margin-bottom: 30px;
        }
        .step-indicator span {
            display: inline-block; width: 30px; height: 30px; line-height: 30px; border-radius: 50%;
            text-align: center; font-weight: 700; background-color: var(--input-border); color: var(--muted);
            margin: 0 15px; position: relative;
        }
        .step-indicator span.active {
            background-color: var(--brand); color: var(--text-light);
            box-shadow: 0 0 0 5px rgba(59, 130, 246, 0.3);
        }
        .step-indicator span.active::after {
            content: ''; position: absolute; left: -15px; top: 50%; transform: translateY(-50%);
            width: 15px; height: 3px; background-color: var(--brand);
        }
        .step-indicator span.active:first-child::after { content: none; }
        .step-indicator span.complete {
            background-color: var(--success-color); color: var(--text-light);
        }
        .step-indicator span.complete::after {
            content: ''; position: absolute; left: -15px; top: 50%; transform: translateY(-50%);
            width: 15px; height: 3px; background-color: var(--success-color);
        }


        /* --- Form Controls --- */
        .input-group { position: relative; margin-bottom: 25px; }
        .form-control {
            width: 100%; padding: 16px 50px 16px 55px !important; 
            border: 1px solid var(--input-border) !important; border-radius: var(--radius) !important;
            font-size: 16px; background-color: var(--input-bg) !important; 
            color: var(--text-primary) !important; outline: none; transition: all 0.3s ease;
            height: auto !important; 
        }
        .form-control:focus { 
            border-color: var(--accent-color) !important; 
            box-shadow: 0 0 0 3px var(--ring) !important; 
        }
        .form-control::placeholder { color: var(--muted); opacity: 0.7; }
        
        /* Icon Positioning */
        .input-group i { 
            position: absolute; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 18px; z-index: 10;
        }
        .input-group i.fa-user, .input-group i.fa-envelope, .input-group i.fa-venus-mars, .input-group i.fa-phone-alt, .input-group i.fa-calendar-alt, .input-group i.fa-lock, .input-group i.fa-home { left: 20px; pointer-events: none; }
        .toggle-password { right: 20px; cursor: pointer; pointer-events: all; }
        
        /* Select & Date input specific adjustments */
        select.form-control {
            -webkit-appearance: none;
            -moz-appearance: none;
            appearance: none;
            padding-right: 20px !important;
            color: var(--muted); 
        }
        select.form-control:valid {
            color: var(--text-primary); 
        }

        /* Button Styling - matches login.css .custom-btn exactly (ACCESS SYSTEM button) */
        .btn-primary,
        .btn-success {
            padding: 16px !important;
            border: none !important; border-radius: var(--radius) !important;
            font-size: 17px; font-weight: 600; text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--button-text) !important;
            box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4) !important;
            background: linear-gradient(135deg, var(--accent-hover), var(--accent-color)) !important;
            background-size: 180% 180%;
            background-position: 0% 0%;
            transition: background-position 0.4s ease, transform 0.2s ease, box-shadow 0.3s ease;
        }
        .btn-primary:hover,
        .btn-success:hover {
            background-position: 100% 100% !important;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(59, 130, 246, 0.6) !important;
            color: var(--button-text) !important;
        }
        .btn-primary:disabled,
        .btn-success:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
            box-shadow: none !important;
        }

        /* Secondary / ghost action (e.g. Resend OTP) - matches default.php .landing-btn-ghost */
        .btn-outline-primary {
            padding: 14px 18px !important;
            border: 2px solid var(--accent-color) !important;
            border-radius: var(--radius) !important;
            color: var(--accent-color) !important;
            background: transparent !important;
            font-weight: 600;
            font-size: 15px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: background-color 0.25s ease, color 0.25s ease, transform 0.2s ease;
        }
        .btn-outline-primary:hover {
            background: var(--accent-color) !important;
            color: var(--button-text) !important;
            transform: translateY(-1px);
        }
        
        /* Muted / helper text (matches login.css text-secondary usage) */
        .text-muted {
            color: var(--text-secondary) !important;
        }

        /* Alerts - themed to match the dark card instead of Bootstrap's default light alert colors */
        .alert {
            border-radius: var(--radius);
            background: var(--input-bg);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            border-left: 4px solid var(--accent-color);
            text-align: left;
        }
        .alert-heading {
            color: var(--text-primary);
        }
        .alert-danger {
            background: rgba(220, 38, 38, 0.12);
            border-color: rgba(220, 38, 38, 0.35);
            border-left-color: var(--error-color);
        }
        .alert-info {
            background: rgba(59, 130, 246, 0.12);
            border-color: rgba(59, 130, 246, 0.35);
            border-left-color: var(--accent-color);
        }
        .alert-success {
            background: rgba(16, 185, 129, 0.12);
            border-color: rgba(16, 185, 129, 0.35);
            border-left-color: var(--success-color);
        }
        .alert-link {
            color: var(--accent-color) !important;
        }
        .alert-link:hover {
            color: var(--accent-hover) !important;
        }

        /* Utility Links (matches login.css) */
        .utility-links {
            text-align: center;
            margin-top: 20px;
            font-size: 15px;
            color: var(--text-secondary);
        }
        .utility-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            padding: 0 5px;
            transition: color 0.2s;
        }
        .utility-links a:hover {
            color: var(--accent-color);
        }

        /* --- Custom Modal Styles (Replacing Bootstrap Modal) --- */
        .custom-modal-overlay {
            position: fixed; top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(0, 0, 0, 0.85); display: none;
            justify-content: center; align-items: center; z-index: 1000;
            opacity: 0; transition: opacity 0.3s ease-in-out;
        }
        .custom-modal-overlay.show { display: flex; opacity: 1; }

        .custom-modal-content {
            background: var(--panel); border-radius: var(--radius); padding: 40px;
            width: 90%; max-width: 450px; text-align: center;
            box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
            transform: scale(0.8); transition: transform 0.3s ease-out;
            border: 3px solid var(--brand); color: var(--text-dark);
        }
        .custom-modal-overlay.show .custom-modal-content { transform: scale(1); }
        .modal-icon {
            font-size: 60px; margin-bottom: 20px; text-shadow: 0 0 15px currentColor;
        }
        .modal-icon.error { color: var(--error-color); } 
        .modal-icon.success { color: var(--success-color); } 
        .modal-button.btn-secondary { background-color: var(--input-border) !important; color: var(--text-dark) !important; box-shadow: none !important; }

        /* --- Responsive Design (Mobile View) --- */
        @media (max-width: 768px) { 
            body { padding: 10px; }
            .main-container { flex-direction: column; max-width: 450px; } 
            .logo-section { padding: 30px; order: 1; border-radius: var(--radius) var(--radius) 0 0; display: flex !important; }
            .form-section { padding: 20px 20px; order: 2; } 
            .logo-circle-wrapper { width: 100px; height: 100px; margin-bottom: 10px; } 
            .logo-content h1 { font-size: 20px; }
            .logo-content p { font-size: 12px; }
            .form-control { padding: 12px 50px 12px 55px !important; }
            .input-group { margin-bottom: 15px; }
            h2 { font-size: 24px; margin-bottom: 25px; }
        }