body {
            margin: 0;
            font-family: "Segoe UI", Arial, sans-serif;
            background: linear-gradient(135deg, #f68b1e, #ffb347);
        }

        .wrapper {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 15px;
        }

        .card {
            background: #fff;
            width: 100%;
            max-width: 420px;
            padding: 26px 22px 30px;
            border-radius: 14px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, .15);
        }

        h3 {
            text-align: center;
            margin-bottom: 10px;
            color: #333;
        }

        .subtitle {
            text-align: center;
            font-size: 14px;
            color: #666;
            margin-bottom: 18px;
        }

        .input-group {
            position: relative;
            display: flex;
            align-items: center;
            background: #fff;
            border: 1px solid #ddd;
            border-radius: 10px;
            margin-top: 14px;
            padding: 0 12px;
            transition: border .2s, box-shadow .2s;
        }

        .input-group:focus-within {
            border-color: #f68b1e;
            box-shadow: 0 0 0 2px rgba(246, 139, 30, .15);
        }

        .input-group i {
            color: #888;
            font-size: 14px;
            margin-right: 8px;
        }

        .input-group input {
            border: none;
            outline: none;
            flex: 1;
            padding: 13px 6px;
            font-size: 14px;
            background: transparent;
        }

        button {
            width: 100%;
            padding: 14px;
            margin-top: 20px;
            background: #f68b1e;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: background .2s, transform .1s, opacity .2s;
        }

        button:hover {
            background: #e57e16;
        }

        button:active {
            transform: scale(.98);
        }

        .link {
            text-align: center;
            margin-top: 18px;
            font-size: 14px;
        }

        .link a {
            color: #0066ff;
            font-weight: bold;
            text-decoration: none;
        }

        .link a:hover {
            text-decoration: underline;
        }