:root {
            --primary-orange: #ff6b35;
            --light-orange: #ff8c42;
            --dark-orange: #e55a2b;
            --orange-gradient: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
            --shadow-orange: rgba(255, 107, 53, 0.2);
        }
        
        * {
            font-family: 'Inter', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 50%, #ffb347 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        
        .container-fluid {
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
        }
        
        .row {
            width: 100%;
            margin: 0;
        }
        
        .login-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border: none;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.2);
            overflow: hidden;
            margin-left: 430px;
            max-width: 450px;
            width: 100%;
        }
        
        .login-header {
            background: var(--orange-gradient);
            color: white;
            padding: 2rem;
            text-align: center;
            position: relative;
        }
        
        .login-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
            opacity: 0.3;
        }
        
        .login-header h2 {
            font-weight: 700;
            font-size: 2rem;
            margin-bottom: 0.5rem;
            position: relative;
            z-index: 1;
        }
        
        .login-header p {
            font-weight: 300;
            opacity: 0.9;
            position: relative;
            z-index: 1;
            margin: 0;
        }
        
        .login-body {
            padding: 2.5rem;
        }
        
        .form-floating {
            margin-bottom: 1.5rem;
        }
        
        .form-floating > .form-control {
            border: 2px solid #e9ecef;
            border-radius: 12px;
            height: 58px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        .form-floating > .form-control:focus {
            border-color: var(--primary-orange);
            box-shadow: 0 0 0 0.2rem var(--shadow-orange);
        }
        
        .form-floating > label {
            color: #6c757d;
            font-weight: 500;
        }
        
        .btn-login {
            background: var(--orange-gradient);
            border: none;
            border-radius: 12px;
            padding: 0.875rem 2rem;
            font-weight: 600;
            font-size: 1.1rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .btn-login::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.5s;
        }
        
        .btn-login:hover::before {
            left: 100%;
        }
        
        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px var(--shadow-orange);
        }
        
        .alert {
            border: none;
            border-radius: 12px;
            font-weight: 500;
            margin-bottom: 1.5rem;
        }
        
        .alert-danger {
            background: linear-gradient(135deg, #dc3545, #e74c3c);
            color: white;
        }
        
        .alert-success {
            background: linear-gradient(135deg, #28a745, #32c754);
            color: white;
        }
        
        .signup-link {
            text-align: center;
            padding: 1.5rem 0 0 0;
            border-top: 1px solid #e9ecef;
            margin-top: 1.5rem;
        }
        
        .signup-link a {
            color: var(--primary-orange);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .signup-link a:hover {
            color: var(--dark-orange);
            text-decoration: underline;
        }
        
        .forgot-link {
            color: #6c757d;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        
        .forgot-link:hover {
            color: var(--primary-orange);
            text-decoration: underline;
        }
        
        .password-toggle {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            border: none;
            background: none;
            color: #6c757d;
            cursor: pointer;
            z-index: 5;
            padding: 5px;
            border-radius: 4px;
            transition: color 0.3s ease;
        }
        
        .password-toggle:hover {
            color: var(--primary-orange);
        }
        
        .loading-spinner {
            display: none;
        }
        
        .btn-login.loading .loading-spinner {
            display: inline-block;
        }
        
        .btn-login.loading .btn-text {
            display: none;
        }
        
        @media (max-width: 576px) {
            .login-card {
                margin: 10px;
                border-radius: 15px;
            }
            
            .login-header {
                padding: 1.5rem;
            }
            
            .login-header h2 {
                font-size: 1.5rem;
            }
            
            .login-body {
                padding: 2rem 1.5rem;
            }
        }