@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

        body {
            font-family: 'Outfit', sans-serif;
            background: #0f172a;
            background-image: 
                radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
                radial-gradient(at 50% 0%, hsla(225,39%,30%,1) 0, transparent 50%), 
                radial-gradient(at 100% 0%, hsla(339,49%,30%,1) 0, transparent 50%);
            background-attachment: fixed;
            color: #f8fafc;
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }

        .auth-container {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .auth-card {
            background: rgba(30, 41, 59, 0.7);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            padding: 48px 40px;
            max-width: 420px;
            width: 100%;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            position: relative;
            overflow: hidden;
            box-sizing: border-box;
        }

        .auth-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
        }

        .auth-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .auth-header h1 {
            font-size: 2.25rem;
            margin-bottom: 12px;
            font-weight: 700;
            background: linear-gradient(to right, #60a5fa, #a78bfa, #f472b6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.025em;
        }

        .form-group {
            margin-bottom: 24px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #cbd5e1;
            font-size: 0.95rem;
            font-weight: 500;
        }

        .form-group input {
            width: 100%;
            padding: 14px 16px;
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            color: #f8fafc;
            font-size: 1rem;
            font-family: inherit;
            transition: all 0.2s ease;
            box-sizing: border-box;
        }

        .form-group input:focus {
            outline: none;
            border-color: #8b5cf6;
            background: rgba(15, 23, 42, 0.8);
            box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
        }

        .form-group input::placeholder {
            color: #475569;
        }

        .btn-primary {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
            background-size: 200% auto;
            border: none;
            border-radius: 12px;
            color: white;
            font-size: 1.05rem;
            font-weight: 600;
            font-family: inherit;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px -3px rgba(168, 85, 247, 0.4);
        }

        .btn-primary:hover {
            background-position: right center;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px -5px rgba(168, 85, 247, 0.5);
        }

        .btn-primary:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .error-message, .alert-message {
            background: rgba(239, 68, 68, 0.15);
            border: 1px solid rgba(239, 68, 68, 0.3);
            color: #fca5a5;
            padding: 14px;
            border-radius: 12px;
            margin-bottom: 24px;
            display: none;
            font-size: 0.95rem;
            backdrop-filter: blur(4px);
            text-align: center;
        }
        
        .alert-success {
            background: rgba(34, 197, 94, 0.15);
            border: 1px solid rgba(34, 197, 94, 0.3);
            color: #86efac;
        }

        .auth-footer {
            text-align: center;
            margin-top: 28px;
            color: #94a3b8;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .auth-footer a {
            color: #a78bfa;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.2s ease;
        }

        .auth-footer a:hover {
            color: #f472b6;
        }

        .toggle-btn {
            background: none; 
            border: none; 
            color: #cbd5e1; 
            font-weight: 500; 
            font-family: inherit;
            cursor: pointer; 
            font-size: 0.95rem;
            transition: color 0.2s ease;
            padding: 8px;
        }
        
        .toggle-btn:hover {
            color: #f8fafc;
        }